diff options
Diffstat (limited to 'classification_output/05/KVM')
| -rw-r--r-- | classification_output/05/KVM/04472277 | 584 | ||||
| -rw-r--r-- | classification_output/05/KVM/26430026 | 173 | ||||
| -rw-r--r-- | classification_output/05/KVM/43643137 | 546 | ||||
| -rw-r--r-- | classification_output/05/KVM/71456293 | 1494 | ||||
| -rw-r--r-- | classification_output/05/KVM/80615920 | 356 |
5 files changed, 0 insertions, 3153 deletions
diff --git a/classification_output/05/KVM/04472277 b/classification_output/05/KVM/04472277 deleted file mode 100644 index e31180054..000000000 --- a/classification_output/05/KVM/04472277 +++ /dev/null @@ -1,584 +0,0 @@ -KVM: 0.890 -device: 0.849 -network: 0.847 -graphic: 0.846 -other: 0.846 -instruction: 0.845 -assembly: 0.841 -boot: 0.831 -vnc: 0.828 -socket: 0.824 -mistranslation: 0.817 -semantic: 0.815 - -[BUG][KVM_SET_USER_MEMORY_REGION] KVM_SET_USER_MEMORY_REGION failed - -Hi all, -I start a VM in openstack, and openstack use libvirt to start qemu VM, but now log show this ERROR. -Is there any one know this? -The ERROR log from /var/log/libvirt/qemu/instance-0000000e.log -``` -2023-03-14T10:09:17.674114Z qemu-system-x86_64: kvm_set_user_memory_region: KVM_SET_USER_MEMORY_REGION failed, slot=4, start=0xfffffffffe000000, size=0x2000: Invalid argument -kvm_set_phys_mem: error registering slot: Invalid argument -2023-03-14 10:09:18.198+0000: shutting down, reason=crashed -``` -The xml file -``` -root@c1c2:~# cat /etc/libvirt/qemu/instance-0000000e.xml -<!-- -WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE -OVERWRITTEN AND LOST. Changes to this xml configuration should be made using: - virsh edit instance-0000000e -or other application using the libvirt API. ---> -<domain type='kvm'> - <name>instance-0000000e</name> - <uuid>ff91d2dc-69a1-43ef-abde-c9e4e9a0305b</uuid> - <metadata> -  <nova:instance xmlns:nova=" -http://openstack.org/xmlns/libvirt/nova/1.1 -"> -   <nova:package version="25.1.0"/> -   <nova:name>provider-instance</nova:name> -   <nova:creationTime>2023-03-14 10:09:13</nova:creationTime> -   <nova:flavor name="cirros-os-dpu-test-1"> -    <nova:memory>64</nova:memory> -    <nova:disk>1</nova:disk> -    <nova:swap>0</nova:swap> -    <nova:ephemeral>0</nova:ephemeral> -    <nova:vcpus>1</nova:vcpus> -   </nova:flavor> -   <nova:owner> -    <nova:user uuid="ff627ad39ed94479b9c5033bc462cf78">admin</nova:user> -    <nova:project uuid="512866f9994f4ad8916d8539a7cdeec9">admin</nova:project> -   </nova:owner> -   <nova:root type="image" uuid="9e58cb69-316a-4093-9f23-c1d1bd8edffe"/> -   <nova:ports> -    <nova:port uuid="77c1dc00-af39-4463-bea0-12808f4bc340"> -     <nova:ip type="fixed" address="172.1.1.43" ipVersion="4"/> -    </nova:port> -   </nova:ports> -  </nova:instance> - </metadata> - <memory unit='KiB'>65536</memory> - <currentMemory unit='KiB'>65536</currentMemory> - <vcpu placement='static'>1</vcpu> - <sysinfo type='smbios'> -  <system> -   <entry name='manufacturer'>OpenStack Foundation</entry> -   <entry name='product'>OpenStack Nova</entry> -   <entry name='version'>25.1.0</entry> -   <entry name='serial'>ff91d2dc-69a1-43ef-abde-c9e4e9a0305b</entry> -   <entry name='uuid'>ff91d2dc-69a1-43ef-abde-c9e4e9a0305b</entry> -   <entry name='family'>Virtual Machine</entry> -  </system> - </sysinfo> - <os> -  <type arch='x86_64' machine='pc-i440fx-6.2'>hvm</type> -  <boot dev='hd'/> -  <smbios mode='sysinfo'/> - </os> - <features> -  <acpi/> -  <apic/> -  <vmcoreinfo state='on'/> - </features> - <cpu mode='host-model' check='partial'> -  <topology sockets='1' dies='1' cores='1' threads='1'/> - </cpu> - <clock offset='utc'> -  <timer name='pit' tickpolicy='delay'/> -  <timer name='rtc' tickpolicy='catchup'/> -  <timer name='hpet' present='no'/> - </clock> - <on_poweroff>destroy</on_poweroff> - <on_reboot>restart</on_reboot> - <on_crash>destroy</on_crash> - <devices> -  <emulator>/usr/bin/qemu-system-x86_64</emulator> -  <disk type='file' device='disk'> -   <driver name='qemu' type='qcow2' cache='none'/> -   <source file='/var/lib/nova/instances/ff91d2dc-69a1-43ef-abde-c9e4e9a0305b/disk'/> -   <target dev='vda' bus='virtio'/> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> -  </disk> -  <controller type='usb' index='0' model='piix3-uhci'> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/> -  </controller> -  <controller type='pci' index='0' model='pci-root'/> -  <interface type='hostdev' managed='yes'> -   <mac address='fa:16:3e:aa:d9:23'/> -   <source> -    <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x5'/> -   </source> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> -  </interface> -  <serial type='pty'> -   <log file='/var/lib/nova/instances/ff91d2dc-69a1-43ef-abde-c9e4e9a0305b/console.log' append='off'/> -   <target type='isa-serial' port='0'> -    <model name='isa-serial'/> -   </target> -  </serial> -  <console type='pty'> -   <log file='/var/lib/nova/instances/ff91d2dc-69a1-43ef-abde-c9e4e9a0305b/console.log' append='off'/> -   <target type='serial' port='0'/> -  </console> -  <input type='tablet' bus='usb'> -   <address type='usb' bus='0' port='1'/> -  </input> -  <input type='mouse' bus='ps2'/> -  <input type='keyboard' bus='ps2'/> -  <graphics type='vnc' port='-1' autoport='yes' listen='0.0.0.0'> -   <listen type='address' address='0.0.0.0'/> -  </graphics> -  <audio id='1' type='none'/> -  <video> -   <model type='virtio' heads='1' primary='yes'/> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> -  </video> -  <hostdev mode='subsystem' type='pci' managed='yes'> -   <source> -    <address domain='0x0000' bus='0x01' slot='0x00' function='0x6'/> -   </source> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> -  </hostdev> -  <memballoon model='virtio'> -   <stats period='10'/> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> -  </memballoon> -  <rng model='virtio'> -   <backend model='random'>/dev/urandom</backend> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/> -  </rng> - </devices> -</domain> -``` ----- -Simon Jones - -This is happened in ubuntu22.04. -QEMU is install by apt like this: -apt install -y qemu qemu-kvm qemu-system -and QEMU version is 6.2.0 ----- -Simon Jones -Simon Jones < -batmanustc@gmail.com -> äº2023å¹´3æ21æ¥å¨äº 08:40åéï¼ -Hi all, -I start a VM in openstack, and openstack use libvirt to start qemu VM, but now log show this ERROR. -Is there any one know this? -The ERROR log from /var/log/libvirt/qemu/instance-0000000e.log -``` -2023-03-14T10:09:17.674114Z qemu-system-x86_64: kvm_set_user_memory_region: KVM_SET_USER_MEMORY_REGION failed, slot=4, start=0xfffffffffe000000, size=0x2000: Invalid argument -kvm_set_phys_mem: error registering slot: Invalid argument -2023-03-14 10:09:18.198+0000: shutting down, reason=crashed -``` -The xml file -``` -root@c1c2:~# cat /etc/libvirt/qemu/instance-0000000e.xml -<!-- -WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE -OVERWRITTEN AND LOST. Changes to this xml configuration should be made using: - virsh edit instance-0000000e -or other application using the libvirt API. ---> -<domain type='kvm'> - <name>instance-0000000e</name> - <uuid>ff91d2dc-69a1-43ef-abde-c9e4e9a0305b</uuid> - <metadata> -  <nova:instance xmlns:nova=" -http://openstack.org/xmlns/libvirt/nova/1.1 -"> -   <nova:package version="25.1.0"/> -   <nova:name>provider-instance</nova:name> -   <nova:creationTime>2023-03-14 10:09:13</nova:creationTime> -   <nova:flavor name="cirros-os-dpu-test-1"> -    <nova:memory>64</nova:memory> -    <nova:disk>1</nova:disk> -    <nova:swap>0</nova:swap> -    <nova:ephemeral>0</nova:ephemeral> -    <nova:vcpus>1</nova:vcpus> -   </nova:flavor> -   <nova:owner> -    <nova:user uuid="ff627ad39ed94479b9c5033bc462cf78">admin</nova:user> -    <nova:project uuid="512866f9994f4ad8916d8539a7cdeec9">admin</nova:project> -   </nova:owner> -   <nova:root type="image" uuid="9e58cb69-316a-4093-9f23-c1d1bd8edffe"/> -   <nova:ports> -    <nova:port uuid="77c1dc00-af39-4463-bea0-12808f4bc340"> -     <nova:ip type="fixed" address="172.1.1.43" ipVersion="4"/> -    </nova:port> -   </nova:ports> -  </nova:instance> - </metadata> - <memory unit='KiB'>65536</memory> - <currentMemory unit='KiB'>65536</currentMemory> - <vcpu placement='static'>1</vcpu> - <sysinfo type='smbios'> -  <system> -   <entry name='manufacturer'>OpenStack Foundation</entry> -   <entry name='product'>OpenStack Nova</entry> -   <entry name='version'>25.1.0</entry> -   <entry name='serial'>ff91d2dc-69a1-43ef-abde-c9e4e9a0305b</entry> -   <entry name='uuid'>ff91d2dc-69a1-43ef-abde-c9e4e9a0305b</entry> -   <entry name='family'>Virtual Machine</entry> -  </system> - </sysinfo> - <os> -  <type arch='x86_64' machine='pc-i440fx-6.2'>hvm</type> -  <boot dev='hd'/> -  <smbios mode='sysinfo'/> - </os> - <features> -  <acpi/> -  <apic/> -  <vmcoreinfo state='on'/> - </features> - <cpu mode='host-model' check='partial'> -  <topology sockets='1' dies='1' cores='1' threads='1'/> - </cpu> - <clock offset='utc'> -  <timer name='pit' tickpolicy='delay'/> -  <timer name='rtc' tickpolicy='catchup'/> -  <timer name='hpet' present='no'/> - </clock> - <on_poweroff>destroy</on_poweroff> - <on_reboot>restart</on_reboot> - <on_crash>destroy</on_crash> - <devices> -  <emulator>/usr/bin/qemu-system-x86_64</emulator> -  <disk type='file' device='disk'> -   <driver name='qemu' type='qcow2' cache='none'/> -   <source file='/var/lib/nova/instances/ff91d2dc-69a1-43ef-abde-c9e4e9a0305b/disk'/> -   <target dev='vda' bus='virtio'/> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> -  </disk> -  <controller type='usb' index='0' model='piix3-uhci'> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/> -  </controller> -  <controller type='pci' index='0' model='pci-root'/> -  <interface type='hostdev' managed='yes'> -   <mac address='fa:16:3e:aa:d9:23'/> -   <source> -    <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x5'/> -   </source> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> -  </interface> -  <serial type='pty'> -   <log file='/var/lib/nova/instances/ff91d2dc-69a1-43ef-abde-c9e4e9a0305b/console.log' append='off'/> -   <target type='isa-serial' port='0'> -    <model name='isa-serial'/> -   </target> -  </serial> -  <console type='pty'> -   <log file='/var/lib/nova/instances/ff91d2dc-69a1-43ef-abde-c9e4e9a0305b/console.log' append='off'/> -   <target type='serial' port='0'/> -  </console> -  <input type='tablet' bus='usb'> -   <address type='usb' bus='0' port='1'/> -  </input> -  <input type='mouse' bus='ps2'/> -  <input type='keyboard' bus='ps2'/> -  <graphics type='vnc' port='-1' autoport='yes' listen='0.0.0.0'> -   <listen type='address' address='0.0.0.0'/> -  </graphics> -  <audio id='1' type='none'/> -  <video> -   <model type='virtio' heads='1' primary='yes'/> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> -  </video> -  <hostdev mode='subsystem' type='pci' managed='yes'> -   <source> -    <address domain='0x0000' bus='0x01' slot='0x00' function='0x6'/> -   </source> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> -  </hostdev> -  <memballoon model='virtio'> -   <stats period='10'/> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> -  </memballoon> -  <rng model='virtio'> -   <backend model='random'>/dev/urandom</backend> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/> -  </rng> - </devices> -</domain> -``` ----- -Simon Jones - -This is full ERROR log -2023-03-23 08:00:52.362+0000: starting up libvirt version: 8.0.0, package: 1ubuntu7.4 (Christian Ehrhardt < -christian.ehrhardt@canonical.com -> Tue, 22 Nov 2022 15:59:28 +0100), qemu version: 6.2.0Debian 1:6.2+dfsg-2ubuntu6.6, kernel: 5.19.0-35-generic, hostname: c1c2 -LC_ALL=C \ -PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin \ -HOME=/var/lib/libvirt/qemu/domain-4-instance-0000000e \ -XDG_DATA_HOME=/var/lib/libvirt/qemu/domain-4-instance-0000000e/.local/share \ -XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain-4-instance-0000000e/.cache \ -XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain-4-instance-0000000e/.config \ -/usr/bin/qemu-system-x86_64 \ --name guest=instance-0000000e,debug-threads=on \ --S \ --object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain-4-instance-0000000e/master-key.aes"}' \ --machine pc-i440fx-6.2,usb=off,dump-guest-core=off,memory-backend=pc.ram \ --accel kvm \ --cpu Cooperlake,ss=on,vmx=on,pdcm=on,hypervisor=on,tsc-adjust=on,sha-ni=on,umip=on,waitpkg=on,gfni=on,vaes=on,vpclmulqdq=on,rdpid=on,movdiri=on,movdir64b=on,fsrm=on,md-clear=on,avx-vnni=on,xsaves=on,ibpb=on,ibrs=on,amd-stibp=on,amd-ssbd=on,hle=off,rtm=off,avx512f=off,avx512dq=off,avx512cd=off,avx512bw=off,avx512vl=off,avx512vnni=off,avx512-bf16=off,taa-no=off \ --m 64 \ --object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":67108864}' \ --overcommit mem-lock=off \ --smp 1,sockets=1,dies=1,cores=1,threads=1 \ --uuid ff91d2dc-69a1-43ef-abde-c9e4e9a0305b \ --smbios 'type=1,manufacturer=OpenStack Foundation,product=OpenStack Nova,version=25.1.0,serial=ff91d2dc-69a1-43ef-abde-c9e4e9a0305b,uuid=ff91d2dc-69a1-43ef-abde-c9e4e9a0305b,family=Virtual Machine' \ --no-user-config \ --nodefaults \ --chardev socket,id=charmonitor,fd=33,server=on,wait=off \ --mon chardev=charmonitor,id=monitor,mode=control \ --rtc base=utc,driftfix=slew \ --global kvm-pit.lost_tick_policy=delay \ --no-hpet \ --no-shutdown \ --boot strict=on \ --device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \ --blockdev '{"driver":"file","filename":"/var/lib/nova/instances/_base/8b58db82a488248e7c5e769599954adaa47a5314","node-name":"libvirt-2-storage","cache":{"direct":true,"no-flush":false},"auto-read-only":true,"discard":"unmap"}' \ --blockdev '{"node-name":"libvirt-2-format","read-only":true,"cache":{"direct":true,"no-flush":false},"driver":"raw","file":"libvirt-2-storage"}' \ --blockdev '{"driver":"file","filename":"/var/lib/nova/instances/ff91d2dc-69a1-43ef-abde-c9e4e9a0305b/disk","node-name":"libvirt-1-storage","cache":{"direct":true,"no-flush":false},"auto-read-only":true,"discard":"unmap"}' \ --blockdev '{"node-name":"libvirt-1-format","read-only":false,"cache":{"direct":true,"no-flush":false},"driver":"qcow2","file":"libvirt-1-storage","backing":"libvirt-2-format"}' \ --device virtio-blk-pci,bus=pci.0,addr=0x3,drive=libvirt-1-format,id=virtio-disk0,bootindex=1,write-cache=on \ --add-fd set=1,fd=34 \ --chardev pty,id=charserial0,logfile=/dev/fdset/1,logappend=on \ --device isa-serial,chardev=charserial0,id=serial0 \ --device usb-tablet,id=input0,bus=usb.0,port=1 \ --audiodev '{"id":"audio1","driver":"none"}' \ --vnc -0.0.0.0:0 -,audiodev=audio1 \ --device virtio-vga,id=video0,max_outputs=1,bus=pci.0,addr=0x2 \ --device vfio-pci,host=0000:01:00.5,id=hostdev0,bus=pci.0,addr=0x4 \ --device vfio-pci,host=0000:01:00.6,id=hostdev1,bus=pci.0,addr=0x5 \ --device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6 \ --object '{"qom-type":"rng-random","id":"objrng0","filename":"/dev/urandom"}' \ --device virtio-rng-pci,rng=objrng0,id=rng0,bus=pci.0,addr=0x7 \ --device vmcoreinfo \ --sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \ --msg timestamp=on -char device redirected to /dev/pts/3 (label charserial0) -2023-03-23T08:00:53.728550Z qemu-system-x86_64: kvm_set_user_memory_region: KVM_SET_USER_MEMORY_REGION failed, slot=4, start=0xfffffffffe000000, size=0x2000: Invalid argument -kvm_set_phys_mem: error registering slot: Invalid argument -2023-03-23 08:00:54.201+0000: shutting down, reason=crashed -2023-03-23 08:54:43.468+0000: starting up libvirt version: 8.0.0, package: 1ubuntu7.4 (Christian Ehrhardt < -christian.ehrhardt@canonical.com -> Tue, 22 Nov 2022 15:59:28 +0100), qemu version: 6.2.0Debian 1:6.2+dfsg-2ubuntu6.6, kernel: 5.19.0-35-generic, hostname: c1c2 -LC_ALL=C \ -PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin \ -HOME=/var/lib/libvirt/qemu/domain-5-instance-0000000e \ -XDG_DATA_HOME=/var/lib/libvirt/qemu/domain-5-instance-0000000e/.local/share \ -XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain-5-instance-0000000e/.cache \ -XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain-5-instance-0000000e/.config \ -/usr/bin/qemu-system-x86_64 \ --name guest=instance-0000000e,debug-threads=on \ --S \ --object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain-5-instance-0000000e/master-key.aes"}' \ --machine pc-i440fx-6.2,usb=off,dump-guest-core=off,memory-backend=pc.ram \ --accel kvm \ --cpu Cooperlake,ss=on,vmx=on,pdcm=on,hypervisor=on,tsc-adjust=on,sha-ni=on,umip=on,waitpkg=on,gfni=on,vaes=on,vpclmulqdq=on,rdpid=on,movdiri=on,movdir64b=on,fsrm=on,md-clear=on,avx-vnni=on,xsaves=on,ibpb=on,ibrs=on,amd-stibp=on,amd-ssbd=on,hle=off,rtm=off,avx512f=off,avx512dq=off,avx512cd=off,avx512bw=off,avx512vl=off,avx512vnni=off,avx512-bf16=off,taa-no=off \ --m 64 \ --object '{"qom-type":"memory-backend-ram","id":"pc.ram","size":67108864}' \ --overcommit mem-lock=off \ --smp 1,sockets=1,dies=1,cores=1,threads=1 \ --uuid ff91d2dc-69a1-43ef-abde-c9e4e9a0305b \ --smbios 'type=1,manufacturer=OpenStack Foundation,product=OpenStack Nova,version=25.1.0,serial=ff91d2dc-69a1-43ef-abde-c9e4e9a0305b,uuid=ff91d2dc-69a1-43ef-abde-c9e4e9a0305b,family=Virtual Machine' \ --no-user-config \ --nodefaults \ --chardev socket,id=charmonitor,fd=33,server=on,wait=off \ --mon chardev=charmonitor,id=monitor,mode=control \ --rtc base=utc,driftfix=slew \ --global kvm-pit.lost_tick_policy=delay \ --no-hpet \ --no-shutdown \ --boot strict=on \ --device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \ --blockdev '{"driver":"file","filename":"/var/lib/nova/instances/_base/8b58db82a488248e7c5e769599954adaa47a5314","node-name":"libvirt-2-storage","cache":{"direct":true,"no-flush":false},"auto-read-only":true,"discard":"unmap"}' \ --blockdev '{"node-name":"libvirt-2-format","read-only":true,"cache":{"direct":true,"no-flush":false},"driver":"raw","file":"libvirt-2-storage"}' \ --blockdev '{"driver":"file","filename":"/var/lib/nova/instances/ff91d2dc-69a1-43ef-abde-c9e4e9a0305b/disk","node-name":"libvirt-1-storage","cache":{"direct":true,"no-flush":false},"auto-read-only":true,"discard":"unmap"}' \ --blockdev '{"node-name":"libvirt-1-format","read-only":false,"cache":{"direct":true,"no-flush":false},"driver":"qcow2","file":"libvirt-1-storage","backing":"libvirt-2-format"}' \ --device virtio-blk-pci,bus=pci.0,addr=0x3,drive=libvirt-1-format,id=virtio-disk0,bootindex=1,write-cache=on \ --add-fd set=1,fd=34 \ --chardev pty,id=charserial0,logfile=/dev/fdset/1,logappend=on \ --device isa-serial,chardev=charserial0,id=serial0 \ --device usb-tablet,id=input0,bus=usb.0,port=1 \ --audiodev '{"id":"audio1","driver":"none"}' \ --vnc -0.0.0.0:0 -,audiodev=audio1 \ --device virtio-vga,id=video0,max_outputs=1,bus=pci.0,addr=0x2 \ --device vfio-pci,host=0000:01:00.5,id=hostdev0,bus=pci.0,addr=0x4 \ --device vfio-pci,host=0000:01:00.6,id=hostdev1,bus=pci.0,addr=0x5 \ --device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6 \ --object '{"qom-type":"rng-random","id":"objrng0","filename":"/dev/urandom"}' \ --device virtio-rng-pci,rng=objrng0,id=rng0,bus=pci.0,addr=0x7 \ --device vmcoreinfo \ --sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \ --msg timestamp=on -char device redirected to /dev/pts/3 (label charserial0) -2023-03-23T08:54:44.755039Z qemu-system-x86_64: kvm_set_user_memory_region: KVM_SET_USER_MEMORY_REGION failed, slot=4, start=0xfffffffffe000000, size=0x2000: Invalid argument -kvm_set_phys_mem: error registering slot: Invalid argument -2023-03-23 08:54:45.230+0000: shutting down, reason=crashed ----- -Simon Jones -Simon Jones < -batmanustc@gmail.com -> äº2023å¹´3æ23æ¥å¨å 05:49åéï¼ -This is happened in ubuntu22.04. -QEMU is install by apt like this: -apt install -y qemu qemu-kvm qemu-system -and QEMU version is 6.2.0 ----- -Simon Jones -Simon Jones < -batmanustc@gmail.com -> äº2023å¹´3æ21æ¥å¨äº 08:40åéï¼ -Hi all, -I start a VM in openstack, and openstack use libvirt to start qemu VM, but now log show this ERROR. -Is there any one know this? -The ERROR log from /var/log/libvirt/qemu/instance-0000000e.log -``` -2023-03-14T10:09:17.674114Z qemu-system-x86_64: kvm_set_user_memory_region: KVM_SET_USER_MEMORY_REGION failed, slot=4, start=0xfffffffffe000000, size=0x2000: Invalid argument -kvm_set_phys_mem: error registering slot: Invalid argument -2023-03-14 10:09:18.198+0000: shutting down, reason=crashed -``` -The xml file -``` -root@c1c2:~# cat /etc/libvirt/qemu/instance-0000000e.xml -<!-- -WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE -OVERWRITTEN AND LOST. Changes to this xml configuration should be made using: - virsh edit instance-0000000e -or other application using the libvirt API. ---> -<domain type='kvm'> - <name>instance-0000000e</name> - <uuid>ff91d2dc-69a1-43ef-abde-c9e4e9a0305b</uuid> - <metadata> -  <nova:instance xmlns:nova=" -http://openstack.org/xmlns/libvirt/nova/1.1 -"> -   <nova:package version="25.1.0"/> -   <nova:name>provider-instance</nova:name> -   <nova:creationTime>2023-03-14 10:09:13</nova:creationTime> -   <nova:flavor name="cirros-os-dpu-test-1"> -    <nova:memory>64</nova:memory> -    <nova:disk>1</nova:disk> -    <nova:swap>0</nova:swap> -    <nova:ephemeral>0</nova:ephemeral> -    <nova:vcpus>1</nova:vcpus> -   </nova:flavor> -   <nova:owner> -    <nova:user uuid="ff627ad39ed94479b9c5033bc462cf78">admin</nova:user> -    <nova:project uuid="512866f9994f4ad8916d8539a7cdeec9">admin</nova:project> -   </nova:owner> -   <nova:root type="image" uuid="9e58cb69-316a-4093-9f23-c1d1bd8edffe"/> -   <nova:ports> -    <nova:port uuid="77c1dc00-af39-4463-bea0-12808f4bc340"> -     <nova:ip type="fixed" address="172.1.1.43" ipVersion="4"/> -    </nova:port> -   </nova:ports> -  </nova:instance> - </metadata> - <memory unit='KiB'>65536</memory> - <currentMemory unit='KiB'>65536</currentMemory> - <vcpu placement='static'>1</vcpu> - <sysinfo type='smbios'> -  <system> -   <entry name='manufacturer'>OpenStack Foundation</entry> -   <entry name='product'>OpenStack Nova</entry> -   <entry name='version'>25.1.0</entry> -   <entry name='serial'>ff91d2dc-69a1-43ef-abde-c9e4e9a0305b</entry> -   <entry name='uuid'>ff91d2dc-69a1-43ef-abde-c9e4e9a0305b</entry> -   <entry name='family'>Virtual Machine</entry> -  </system> - </sysinfo> - <os> -  <type arch='x86_64' machine='pc-i440fx-6.2'>hvm</type> -  <boot dev='hd'/> -  <smbios mode='sysinfo'/> - </os> - <features> -  <acpi/> -  <apic/> -  <vmcoreinfo state='on'/> - </features> - <cpu mode='host-model' check='partial'> -  <topology sockets='1' dies='1' cores='1' threads='1'/> - </cpu> - <clock offset='utc'> -  <timer name='pit' tickpolicy='delay'/> -  <timer name='rtc' tickpolicy='catchup'/> -  <timer name='hpet' present='no'/> - </clock> - <on_poweroff>destroy</on_poweroff> - <on_reboot>restart</on_reboot> - <on_crash>destroy</on_crash> - <devices> -  <emulator>/usr/bin/qemu-system-x86_64</emulator> -  <disk type='file' device='disk'> -   <driver name='qemu' type='qcow2' cache='none'/> -   <source file='/var/lib/nova/instances/ff91d2dc-69a1-43ef-abde-c9e4e9a0305b/disk'/> -   <target dev='vda' bus='virtio'/> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> -  </disk> -  <controller type='usb' index='0' model='piix3-uhci'> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/> -  </controller> -  <controller type='pci' index='0' model='pci-root'/> -  <interface type='hostdev' managed='yes'> -   <mac address='fa:16:3e:aa:d9:23'/> -   <source> -    <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x5'/> -   </source> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> -  </interface> -  <serial type='pty'> -   <log file='/var/lib/nova/instances/ff91d2dc-69a1-43ef-abde-c9e4e9a0305b/console.log' append='off'/> -   <target type='isa-serial' port='0'> -    <model name='isa-serial'/> -   </target> -  </serial> -  <console type='pty'> -   <log file='/var/lib/nova/instances/ff91d2dc-69a1-43ef-abde-c9e4e9a0305b/console.log' append='off'/> -   <target type='serial' port='0'/> -  </console> -  <input type='tablet' bus='usb'> -   <address type='usb' bus='0' port='1'/> -  </input> -  <input type='mouse' bus='ps2'/> -  <input type='keyboard' bus='ps2'/> -  <graphics type='vnc' port='-1' autoport='yes' listen='0.0.0.0'> -   <listen type='address' address='0.0.0.0'/> -  </graphics> -  <audio id='1' type='none'/> -  <video> -   <model type='virtio' heads='1' primary='yes'/> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> -  </video> -  <hostdev mode='subsystem' type='pci' managed='yes'> -   <source> -    <address domain='0x0000' bus='0x01' slot='0x00' function='0x6'/> -   </source> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> -  </hostdev> -  <memballoon model='virtio'> -   <stats period='10'/> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> -  </memballoon> -  <rng model='virtio'> -   <backend model='random'>/dev/urandom</backend> -   <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/> -  </rng> - </devices> -</domain> -``` ----- -Simon Jones - diff --git a/classification_output/05/KVM/26430026 b/classification_output/05/KVM/26430026 deleted file mode 100644 index 8db2ac745..000000000 --- a/classification_output/05/KVM/26430026 +++ /dev/null @@ -1,173 +0,0 @@ -KVM: 0.919 -mistranslation: 0.915 -semantic: 0.904 -device: 0.904 -assembly: 0.896 -vnc: 0.893 -instruction: 0.888 -graphic: 0.862 -boot: 0.841 -socket: 0.817 -other: 0.813 -network: 0.758 - -[BUG] cxl,i386: e820 mappings may not be correct for cxl - -Context included below from prior discussion - - `cxl create-region` would fail on inability to allocate memory - - traced this down to the memory region being marked RESERVED - - E820 map marks the CXL fixed memory window as RESERVED - - -Re: x86 errors, I found that region worked with this patch. (I also -added the SRAT patches the Davidlohr posted, but I do not think they are -relevant). - -I don't think this is correct, and setting this to E820_RAM causes the -system to fail to boot at all, but with this change `cxl create-region` -succeeds, which suggests our e820 mappings in the i386 machine are -incorrect. - -Anyone who can help or have an idea as to what e820 should actually be -doing with this region, or if this is correct and something else is -failing, please help! - - -diff --git a/hw/i386/pc.c b/hw/i386/pc.c -index 566accf7e6..a5e688a742 100644 ---- a/hw/i386/pc.c -+++ b/hw/i386/pc.c -@@ -1077,7 +1077,7 @@ void pc_memory_init(PCMachineState *pcms, - memory_region_init_io(&fw->mr, OBJECT(machine), &cfmws_ops, fw, - "cxl-fixed-memory-region", fw->size); - memory_region_add_subregion(system_memory, fw->base, &fw->mr); -- e820_add_entry(fw->base, fw->size, E820_RESERVED); -+ e820_add_entry(fw->base, fw->size, E820_NVS); - cxl_fmw_base += fw->size; - cxl_resv_end = cxl_fmw_base; - } - - -On Mon, Oct 10, 2022 at 05:32:42PM +0100, Jonathan Cameron wrote: -> -> -> > but i'm not sure of what to do with this info. We have some proof -> -> > that real hardware works with this no problem, and the only difference -> -> > is that the EFI/bios/firmware is setting the memory regions as `usable` -> -> > or `soft reserved`, which would imply the EDK2 is the blocker here -> -> > regardless of the OS driver status. -> -> > -> -> > But I'd seen elsewhere you had gotten some of this working, and I'm -> -> > failing to get anything working at the moment. If you have any input i -> -> > would greatly appreciate the help. -> -> > -> -> > QEMU config: -> -> > -> -> > /opt/qemu-cxl2/bin/qemu-system-x86_64 \ -> -> > -drive -> -> > file=/var/lib/libvirt/images/cxl.qcow2,format=qcow2,index=0,media=d\ -> -> > -m 2G,slots=4,maxmem=4G \ -> -> > -smp 4 \ -> -> > -machine type=q35,accel=kvm,cxl=on \ -> -> > -enable-kvm \ -> -> > -nographic \ -> -> > -device pxb-cxl,id=cxl.0,bus=pcie.0,bus_nr=52 \ -> -> > -device cxl-rp,id=rp0,bus=cxl.0,chassis=0,slot=0 \ -> -> > -object memory-backend-file,id=cxl-mem0,mem-path=/tmp/cxl-mem0,size=256M \ -> -> > -object memory-backend-file,id=lsa0,mem-path=/tmp/cxl-lsa0,size=256M \ -> -> > -device cxl-type3,bus=rp0,pmem=true,memdev=cxl-mem0,lsa=lsa0,id=cxl-pmem0 -> -> > \ -> -> > -M cxl-fmw.0.targets.0=cxl.0,cxl-fmw.0.size=256M -> -> > -> -> > I'd seen on the lists that you had seen issues with single-rp setups, -> -> > but no combination of configuration I've tried (including all the ones -> -> > in the docs and tests) lead to a successful region creation with -> -> > `cxl create-region` -> -> -> -> Hmm. Let me have a play. I've not run x86 tests for a while so -> -> perhaps something is missing there. -> -> -> -> I'm carrying a patch to override check_last_peer() in -> -> cxl_port_setup_targets() as that is wrong for some combinations, -> -> but that doesn't look like it's related to what you are seeing. -> -> -I'm not sure if it's relevant, but turned out I'd forgotten I'm carrying 3 -> -patches that aren't upstream (and one is a horrible hack). -> -> -Hack: -https://lore.kernel.org/linux-cxl/20220819094655.000005ed@huawei.com/ -> -Shouldn't affect a simple case like this... -> -> -https://lore.kernel.org/linux-cxl/20220819093133.00006c22@huawei.com/T/#t -> -(Dan's version) -> -> -https://lore.kernel.org/linux-cxl/20220815154044.24733-1-Jonathan.Cameron@huawei.com/T/#t -> -> -For writes to work you will currently need two rps (nothing on the second is -> -fine) -> -as we still haven't resolved if the kernel should support an HDM decoder on -> -a host bridge with one port. I think it should (Spec allows it), others -> -unconvinced. -> -> -Note I haven't shifted over to x86 yet so may still be something different -> -from -> -arm64. -> -> -Jonathan -> -> - diff --git a/classification_output/05/KVM/43643137 b/classification_output/05/KVM/43643137 deleted file mode 100644 index 0ce14b08b..000000000 --- a/classification_output/05/KVM/43643137 +++ /dev/null @@ -1,546 +0,0 @@ -KVM: 0.794 -other: 0.781 -semantic: 0.764 -device: 0.760 -instruction: 0.754 -vnc: 0.742 -assembly: 0.727 -graphic: 0.721 -network: 0.709 -socket: 0.674 -mistranslation: 0.665 -boot: 0.652 - -[Qemu-devel] [BUG/RFC] INIT IPI lost when VM starts - -Hi, -We encountered a problem that when a domain starts, seabios failed to online a -vCPU. - -After investigation, we found that the reason is in kvm-kmod, KVM_APIC_INIT bit -in -vcpu->arch.apic->pending_events was overwritten by qemu, and thus an INIT IPI -sent -to AP was lost. Qemu does this since libvirtd sends a âquery-cpusâ qmp command -to qemu -on VM start. - -In qemu, qmp_query_cpus-> cpu_synchronize_state-> kvm_cpu_synchronize_state-> -do_kvm_cpu_synchronize_state, qemu gets registers/vcpu_events from kvm-kmod and -sets cpu->kvm_vcpu_dirty to true, and vcpu thread in qemu will call -kvm_arch_put_registers if cpu->kvm_vcpu_dirty is true, thus pending_events is -overwritten by qemu. - -I think there is no need for qemu to set cpu->kvm_vcpu_dirty to true after -âquery-cpusâ, -and kvm-kmod should not clear KVM_APIC_INIT unconditionally. And I am not sure -whether -it is OK for qemu to set cpu->kvm_vcpu_dirty in do_kvm_cpu_synchronize_state in -each caller. - -Whatâs your opinion? - -Let me clarify it more clearly. Time sequence is that qemu handles âquery-cpusâ qmp -command, vcpu 1 (and vcpu 0) got registers from kvm-kmod (qmp_query_cpus-> -cpu_synchronize_state-> kvm_cpu_synchronize_state-> -> do_kvm_cpu_synchronize_state-> kvm_arch_get_registers), then vcpu 0 (BSP) -sends INIT-SIPI to vcpu 1(AP). In kvm-kmod, vcpu 1âs pending_eventsâs KVM_APIC_INIT -bit set. -Then vcpu 1 continue running, vcpu1 thread in qemu calls -kvm_arch_put_registers-> kvm_put_vcpu_events, so KVM_APIC_INIT bit in vcpu 1âs -pending_events got cleared, i.e., lost. - -In kvm-kmod, except for pending_events, sipi_vector may also be overwritten., -so I am not sure if there are other fields/registers in danger, i.e., those may -be modified asynchronously with vcpu thread itself. - -BTW, using a sleep like following can reliably reproduce this problem, if VM -equipped with more than 2 vcpus and starting VM using libvirtd. - -diff --git a/target/i386/kvm.c b/target/i386/kvm.c -index 55865db..5099290 100644 ---- a/target/i386/kvm.c -+++ b/target/i386/kvm.c -@@ -2534,6 +2534,11 @@ static int kvm_put_vcpu_events(X86CPU *cpu, int level) - KVM_VCPUEVENT_VALID_NMI_PENDING | KVM_VCPUEVENT_VALID_SIPI_VECTOR; - } - -+ if (CPU(cpu)->cpu_index == 1) { -+ fprintf(stderr, "vcpu 1 sleep!!!!\n"); -+ sleep(10); -+ } -+ - return kvm_vcpu_ioctl(CPU(cpu), KVM_SET_VCPU_EVENTS, &events); - } - - -On 2017/3/20 22:21, Herongguang (Stephen) wrote: -Hi, -We encountered a problem that when a domain starts, seabios failed to online a -vCPU. - -After investigation, we found that the reason is in kvm-kmod, KVM_APIC_INIT bit -in -vcpu->arch.apic->pending_events was overwritten by qemu, and thus an INIT IPI -sent -to AP was lost. Qemu does this since libvirtd sends a âquery-cpusâ qmp command -to qemu -on VM start. - -In qemu, qmp_query_cpus-> cpu_synchronize_state-> kvm_cpu_synchronize_state-> -do_kvm_cpu_synchronize_state, qemu gets registers/vcpu_events from kvm-kmod and -sets cpu->kvm_vcpu_dirty to true, and vcpu thread in qemu will call -kvm_arch_put_registers if cpu->kvm_vcpu_dirty is true, thus pending_events is -overwritten by qemu. - -I think there is no need for qemu to set cpu->kvm_vcpu_dirty to true after -âquery-cpusâ, -and kvm-kmod should not clear KVM_APIC_INIT unconditionally. And I am not sure -whether -it is OK for qemu to set cpu->kvm_vcpu_dirty in do_kvm_cpu_synchronize_state in -each caller. - -Whatâs your opinion? - -On 20/03/2017 15:21, Herongguang (Stephen) wrote: -> -> -We encountered a problem that when a domain starts, seabios failed to -> -online a vCPU. -> -> -After investigation, we found that the reason is in kvm-kmod, -> -KVM_APIC_INIT bit in -> -vcpu->arch.apic->pending_events was overwritten by qemu, and thus an -> -INIT IPI sent -> -to AP was lost. Qemu does this since libvirtd sends a âquery-cpusâ qmp -> -command to qemu -> -on VM start. -> -> -In qemu, qmp_query_cpus-> cpu_synchronize_state-> -> -kvm_cpu_synchronize_state-> -> -do_kvm_cpu_synchronize_state, qemu gets registers/vcpu_events from -> -kvm-kmod and -> -sets cpu->kvm_vcpu_dirty to true, and vcpu thread in qemu will call -> -kvm_arch_put_registers if cpu->kvm_vcpu_dirty is true, thus -> -pending_events is -> -overwritten by qemu. -> -> -I think there is no need for qemu to set cpu->kvm_vcpu_dirty to true -> -after âquery-cpusâ, -> -and kvm-kmod should not clear KVM_APIC_INIT unconditionally. And I am -> -not sure whether -> -it is OK for qemu to set cpu->kvm_vcpu_dirty in -> -do_kvm_cpu_synchronize_state in each caller. -> -> -Whatâs your opinion? -Hi Rongguang, - -sorry for the late response. - -Where exactly is KVM_APIC_INIT dropped? kvm_get_mp_state does clear the -bit, but the result of the INIT is stored in mp_state. - -kvm_get_vcpu_events is called after kvm_get_mp_state; it retrieves -KVM_APIC_INIT in events.smi.latched_init and kvm_set_vcpu_events passes -it back. Maybe it should ignore events.smi.latched_init if not in SMM, -but I would like to understand the exact sequence of events. - -Thanks, - -paolo - -On 2017/4/6 0:16, Paolo Bonzini wrote: -On 20/03/2017 15:21, Herongguang (Stephen) wrote: -We encountered a problem that when a domain starts, seabios failed to -online a vCPU. - -After investigation, we found that the reason is in kvm-kmod, -KVM_APIC_INIT bit in -vcpu->arch.apic->pending_events was overwritten by qemu, and thus an -INIT IPI sent -to AP was lost. Qemu does this since libvirtd sends a âquery-cpusâ qmp -command to qemu -on VM start. - -In qemu, qmp_query_cpus-> cpu_synchronize_state-> -kvm_cpu_synchronize_state-> -do_kvm_cpu_synchronize_state, qemu gets registers/vcpu_events from -kvm-kmod and -sets cpu->kvm_vcpu_dirty to true, and vcpu thread in qemu will call -kvm_arch_put_registers if cpu->kvm_vcpu_dirty is true, thus -pending_events is -overwritten by qemu. - -I think there is no need for qemu to set cpu->kvm_vcpu_dirty to true -after âquery-cpusâ, -and kvm-kmod should not clear KVM_APIC_INIT unconditionally. And I am -not sure whether -it is OK for qemu to set cpu->kvm_vcpu_dirty in -do_kvm_cpu_synchronize_state in each caller. - -Whatâs your opinion? -Hi Rongguang, - -sorry for the late response. - -Where exactly is KVM_APIC_INIT dropped? kvm_get_mp_state does clear the -bit, but the result of the INIT is stored in mp_state. -It's dropped in KVM_SET_VCPU_EVENTS, see below. -kvm_get_vcpu_events is called after kvm_get_mp_state; it retrieves -KVM_APIC_INIT in events.smi.latched_init and kvm_set_vcpu_events passes -it back. Maybe it should ignore events.smi.latched_init if not in SMM, -but I would like to understand the exact sequence of events. -time0: -vcpu1: -qmp_query_cpus-> cpu_synchronize_state-> kvm_cpu_synchronize_state-> -> do_kvm_cpu_synchronize_state(and set vcpu1's cpu->kvm_vcpu_dirty to true)-> -kvm_arch_get_registers(KVM_APIC_INIT bit in vcpu->arch.apic->pending_events was not set) - -time1: -vcpu0: -send INIT-SIPI to all AP->(in vcpu 0's context)__apic_accept_irq(KVM_APIC_INIT bit -in vcpu1's arch.apic->pending_events is set) - -time2: -vcpu1: -kvm_cpu_exec->(if cpu->kvm_vcpu_dirty is -true)kvm_arch_put_registers->kvm_put_vcpu_events(overwritten KVM_APIC_INIT bit in -vcpu->arch.apic->pending_events!) - -So it's a race between vcpu1 get/put registers with kvm/other vcpus changing -vcpu1's status/structure fields in the mean time, I am in worry of if there are -other fields may be overwritten, -sipi_vector is one. - -also see: -https://www.mail-archive.com/address@hidden/msg438675.html -Thanks, - -paolo - -. - -Hi Paolo, - -What's your opinion about this patch? We found it just before finishing patches -for the past two days. - - -Thanks, --Gonglei - - -> ------Original Message----- -> -From: address@hidden [ -mailto:address@hidden -On -> -Behalf Of Herongguang (Stephen) -> -Sent: Thursday, April 06, 2017 9:47 AM -> -To: Paolo Bonzini; address@hidden; address@hidden; -> -address@hidden; address@hidden; address@hidden; -> -wangxin (U); Huangweidong (C) -> -Subject: Re: [BUG/RFC] INIT IPI lost when VM starts -> -> -> -> -On 2017/4/6 0:16, Paolo Bonzini wrote: -> -> -> -> On 20/03/2017 15:21, Herongguang (Stephen) wrote: -> ->> We encountered a problem that when a domain starts, seabios failed to -> ->> online a vCPU. -> ->> -> ->> After investigation, we found that the reason is in kvm-kmod, -> ->> KVM_APIC_INIT bit in -> ->> vcpu->arch.apic->pending_events was overwritten by qemu, and thus an -> ->> INIT IPI sent -> ->> to AP was lost. Qemu does this since libvirtd sends a âquery-cpusâ qmp -> ->> command to qemu -> ->> on VM start. -> ->> -> ->> In qemu, qmp_query_cpus-> cpu_synchronize_state-> -> ->> kvm_cpu_synchronize_state-> -> ->> do_kvm_cpu_synchronize_state, qemu gets registers/vcpu_events from -> ->> kvm-kmod and -> ->> sets cpu->kvm_vcpu_dirty to true, and vcpu thread in qemu will call -> ->> kvm_arch_put_registers if cpu->kvm_vcpu_dirty is true, thus -> ->> pending_events is -> ->> overwritten by qemu. -> ->> -> ->> I think there is no need for qemu to set cpu->kvm_vcpu_dirty to true -> ->> after âquery-cpusâ, -> ->> and kvm-kmod should not clear KVM_APIC_INIT unconditionally. And I am -> ->> not sure whether -> ->> it is OK for qemu to set cpu->kvm_vcpu_dirty in -> ->> do_kvm_cpu_synchronize_state in each caller. -> ->> -> ->> Whatâs your opinion? -> -> Hi Rongguang, -> -> -> -> sorry for the late response. -> -> -> -> Where exactly is KVM_APIC_INIT dropped? kvm_get_mp_state does clear -> -the -> -> bit, but the result of the INIT is stored in mp_state. -> -> -It's dropped in KVM_SET_VCPU_EVENTS, see below. -> -> -> -> -> kvm_get_vcpu_events is called after kvm_get_mp_state; it retrieves -> -> KVM_APIC_INIT in events.smi.latched_init and kvm_set_vcpu_events passes -> -> it back. Maybe it should ignore events.smi.latched_init if not in SMM, -> -> but I would like to understand the exact sequence of events. -> -> -time0: -> -vcpu1: -> -qmp_query_cpus-> cpu_synchronize_state-> kvm_cpu_synchronize_state-> -> -> do_kvm_cpu_synchronize_state(and set vcpu1's cpu->kvm_vcpu_dirty to -> -true)-> kvm_arch_get_registers(KVM_APIC_INIT bit in -> -vcpu->arch.apic->pending_events was not set) -> -> -time1: -> -vcpu0: -> -send INIT-SIPI to all AP->(in vcpu 0's -> -context)__apic_accept_irq(KVM_APIC_INIT bit in vcpu1's -> -arch.apic->pending_events is set) -> -> -time2: -> -vcpu1: -> -kvm_cpu_exec->(if cpu->kvm_vcpu_dirty is -> -true)kvm_arch_put_registers->kvm_put_vcpu_events(overwritten -> -KVM_APIC_INIT bit in vcpu->arch.apic->pending_events!) -> -> -So it's a race between vcpu1 get/put registers with kvm/other vcpus changing -> -vcpu1's status/structure fields in the mean time, I am in worry of if there -> -are -> -other fields may be overwritten, -> -sipi_vector is one. -> -> -also see: -> -https://www.mail-archive.com/address@hidden/msg438675.html -> -> -> Thanks, -> -> -> -> paolo -> -> -> -> . -> -> -> - -2017-11-20 06:57+0000, Gonglei (Arei): -> -Hi Paolo, -> -> -What's your opinion about this patch? We found it just before finishing -> -patches -> -for the past two days. -I think your case was fixed by f4ef19108608 ("KVM: X86: Fix loss of -pending INIT due to race"), but that patch didn't fix it perfectly, so -maybe you're hitting a similar case that happens in SMM ... - -> -> -----Original Message----- -> -> From: address@hidden [ -mailto:address@hidden -On -> -> Behalf Of Herongguang (Stephen) -> -> On 2017/4/6 0:16, Paolo Bonzini wrote: -> -> > Hi Rongguang, -> -> > -> -> > sorry for the late response. -> -> > -> -> > Where exactly is KVM_APIC_INIT dropped? kvm_get_mp_state does clear -> -> the -> -> > bit, but the result of the INIT is stored in mp_state. -> -> -> -> It's dropped in KVM_SET_VCPU_EVENTS, see below. -> -> -> -> > -> -> > kvm_get_vcpu_events is called after kvm_get_mp_state; it retrieves -> -> > KVM_APIC_INIT in events.smi.latched_init and kvm_set_vcpu_events passes -> -> > it back. Maybe it should ignore events.smi.latched_init if not in SMM, -> -> > but I would like to understand the exact sequence of events. -> -> -> -> time0: -> -> vcpu1: -> -> qmp_query_cpus-> cpu_synchronize_state-> kvm_cpu_synchronize_state-> -> -> > do_kvm_cpu_synchronize_state(and set vcpu1's cpu->kvm_vcpu_dirty to -> -> true)-> kvm_arch_get_registers(KVM_APIC_INIT bit in -> -> vcpu->arch.apic->pending_events was not set) -> -> -> -> time1: -> -> vcpu0: -> -> send INIT-SIPI to all AP->(in vcpu 0's -> -> context)__apic_accept_irq(KVM_APIC_INIT bit in vcpu1's -> -> arch.apic->pending_events is set) -> -> -> -> time2: -> -> vcpu1: -> -> kvm_cpu_exec->(if cpu->kvm_vcpu_dirty is -> -> true)kvm_arch_put_registers->kvm_put_vcpu_events(overwritten -> -> KVM_APIC_INIT bit in vcpu->arch.apic->pending_events!) -> -> -> -> So it's a race between vcpu1 get/put registers with kvm/other vcpus changing -> -> vcpu1's status/structure fields in the mean time, I am in worry of if there -> -> are -> -> other fields may be overwritten, -> -> sipi_vector is one. -Fields that can be asynchronously written by other VCPUs (like SIPI, -NMI) must not be SET if other VCPUs were not paused since the last GET. -(Looking at the interface, we can currently lose pending SMI.) - -INIT is one of the restricted fields, but the API unconditionally -couples SMM with latched INIT, which means that we can lose an INIT if -the VCPU is in SMM mode -- do you see SMM in kvm_vcpu_events? - -Thanks. - diff --git a/classification_output/05/KVM/71456293 b/classification_output/05/KVM/71456293 deleted file mode 100644 index 4f5d04ac3..000000000 --- a/classification_output/05/KVM/71456293 +++ /dev/null @@ -1,1494 +0,0 @@ -KVM: 0.691 -mistranslation: 0.659 -vnc: 0.625 -instruction: 0.624 -graphic: 0.603 -assembly: 0.602 -device: 0.601 -semantic: 0.600 -other: 0.598 -boot: 0.598 -socket: 0.596 -network: 0.491 - -[Qemu-devel][bug] qemu crash when migrate vm and vm's disks - -When migrate vm and vmâs disks target host qemu crash due to an invalid free. -#0 object_unref (obj=0x1000) at /qemu-2.12/rpmbuild/BUILD/qemu-2.12/qom/object.c:920 -#1 0x0000560434d79e79 in memory_region_unref (mr=<optimized out>) -at /qemu-2.12/rpmbuild/BUILD/qemu-2.12/memory.c:1730 -#2 flatview_destroy (view=0x560439653880) at /qemu-2.12/rpmbuild/BUILD/qemu-2.12/memory.c:292 -#3 0x000056043514dfbe in call_rcu_thread (opaque=<optimized out>) -at /qemu-2.12/rpmbuild/BUILD/qemu-2.12/util/rcu.c:284 -#4 0x00007fbc2b36fe25 in start_thread () from /lib64/libpthread.so.0 -#5 0x00007fbc2b099bad in clone () from /lib64/libc.so.6 -test base qemu-2.12.0 -ï¼ -but use lastest qemu(v6.0.0-rc2) also reproduce. -As follow patch can resolve this problem: -https://lists.gnu.org/archive/html/qemu-devel/2018-07/msg02272.html -Steps to reproduce: -(1) Create VM (virsh define) -(2) Add 64 virtio scsi disks -(3) migrate vm and vmâdisks -------------------------------------------------------------------------------------------------------------------------------------- -æ¬é®ä»¶åå ¶é件å«ææ°åä¸éå¢çä¿å¯ä¿¡æ¯ï¼ä» éäºåéç»ä¸é¢å°åä¸ååº -ç个人æ群ç»ãç¦æ¢ä»»ä½å ¶ä»äººä»¥ä»»ä½å½¢å¼ä½¿ç¨ï¼å æ¬ä½ä¸éäºå ¨é¨æé¨åå°æ³é²ãå¤å¶ã -ææ£åï¼æ¬é®ä»¶ä¸çä¿¡æ¯ãå¦ææ¨éæ¶äºæ¬é®ä»¶ï¼è¯·æ¨ç«å³çµè¯æé®ä»¶éç¥å件人并å é¤æ¬ -é®ä»¶ï¼ -This e-mail and its attachments contain confidential information from New H3C, which is -intended only for the person or entity whose address is listed above. Any use of the -information contained herein in any way (including, but not limited to, total or partial -disclosure, reproduction, or dissemination) by persons other than the intended -recipient(s) is prohibited. If you receive this e-mail in error, please notify the sender -by phone or email immediately and delete it! - -* Yuchen (yu.chen@h3c.com) wrote: -> -When migrate vm and vmâs disks target host qemu crash due to an invalid free. -> -> -#0 object_unref (obj=0x1000) at -> -/qemu-2.12/rpmbuild/BUILD/qemu-2.12/qom/object.c:920 -> -#1 0x0000560434d79e79 in memory_region_unref (mr=<optimized out>) -> -at /qemu-2.12/rpmbuild/BUILD/qemu-2.12/memory.c:1730 -> -#2 flatview_destroy (view=0x560439653880) at -> -/qemu-2.12/rpmbuild/BUILD/qemu-2.12/memory.c:292 -> -#3 0x000056043514dfbe in call_rcu_thread (opaque=<optimized out>) -> -at /qemu-2.12/rpmbuild/BUILD/qemu-2.12/util/rcu.c:284 -> -#4 0x00007fbc2b36fe25 in start_thread () from /lib64/libpthread.so.0 -> -#5 0x00007fbc2b099bad in clone () from /lib64/libc.so.6 -> -> -test base qemu-2.12.0ï¼but use lastest qemu(v6.0.0-rc2) also reproduce. -Interesting. - -> -As follow patch can resolve this problem: -> -https://lists.gnu.org/archive/html/qemu-devel/2018-07/msg02272.html -That's a pci/rcu change; ccing Paolo and Micahel. - -> -Steps to reproduce: -> -(1) Create VM (virsh define) -> -(2) Add 64 virtio scsi disks -Is that hot adding the disks later, or are they included in the VM at -creation? -Can you provide a libvirt XML example? - -> -(3) migrate vm and vmâdisks -What do you mean by 'and vm disks' - are you doing a block migration? - -Dave - -> -------------------------------------------------------------------------------------------------------------------------------------- -> -æ¬é®ä»¶åå ¶é件å«ææ°åä¸éå¢çä¿å¯ä¿¡æ¯ï¼ä» éäºåéç»ä¸é¢å°åä¸ååº -> -ç个人æ群ç»ãç¦æ¢ä»»ä½å ¶ä»äººä»¥ä»»ä½å½¢å¼ä½¿ç¨ï¼å æ¬ä½ä¸éäºå ¨é¨æé¨åå°æ³é²ãå¤å¶ã -> -ææ£åï¼æ¬é®ä»¶ä¸çä¿¡æ¯ãå¦ææ¨éæ¶äºæ¬é®ä»¶ï¼è¯·æ¨ç«å³çµè¯æé®ä»¶éç¥å件人并å é¤æ¬ -> -é®ä»¶ï¼ -> -This e-mail and its attachments contain confidential information from New -> -H3C, which is -> -intended only for the person or entity whose address is listed above. Any use -> -of the -> -information contained herein in any way (including, but not limited to, total -> -or partial -> -disclosure, reproduction, or dissemination) by persons other than the intended -> -recipient(s) is prohibited. If you receive this e-mail in error, please -> -notify the sender -> -by phone or email immediately and delete it! --- -Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK - -> ------é®ä»¶å件----- -> -å件人: Dr. David Alan Gilbert [ -mailto:dgilbert@redhat.com -] -> -åéæ¶é´: 2021å¹´4æ8æ¥ 19:27 -> -æ¶ä»¶äºº: yuchen (Cloud) <yu.chen@h3c.com>; pbonzini@redhat.com; -> -mst@redhat.com -> -æé: qemu-devel@nongnu.org -> -主é¢: Re: [Qemu-devel][bug] qemu crash when migrate vm and vm's disks -> -> -* Yuchen (yu.chen@h3c.com) wrote: -> -> When migrate vm and vmâs disks target host qemu crash due to an invalid -> -free. -> -> -> -> #0 object_unref (obj=0x1000) at -> -> /qemu-2.12/rpmbuild/BUILD/qemu-2.12/qom/object.c:920 -> -> #1 0x0000560434d79e79 in memory_region_unref (mr=<optimized out>) -> -> at /qemu-2.12/rpmbuild/BUILD/qemu-2.12/memory.c:1730 -> -> #2 flatview_destroy (view=0x560439653880) at -> -> /qemu-2.12/rpmbuild/BUILD/qemu-2.12/memory.c:292 -> -> #3 0x000056043514dfbe in call_rcu_thread (opaque=<optimized out>) -> -> at /qemu-2.12/rpmbuild/BUILD/qemu-2.12/util/rcu.c:284 -> -> #4 0x00007fbc2b36fe25 in start_thread () from /lib64/libpthread.so.0 -> -> #5 0x00007fbc2b099bad in clone () from /lib64/libc.so.6 -> -> -> -> test base qemu-2.12.0ï¼but use lastest qemu(v6.0.0-rc2) also reproduce. -> -> -Interesting. -> -> -> As follow patch can resolve this problem: -> -> -https://lists.gnu.org/archive/html/qemu-devel/2018-07/msg02272.html -> -> -That's a pci/rcu change; ccing Paolo and Micahel. -> -> -> Steps to reproduce: -> -> (1) Create VM (virsh define) -> -> (2) Add 64 virtio scsi disks -> -> -Is that hot adding the disks later, or are they included in the VM at -> -creation? -> -Can you provide a libvirt XML example? -> -Include disks in the VM at creation - -vm disks xml (only virtio scsi disks): - <devices> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native'/> - <source file='/vms/tempp/vm-os'/> - <target dev='vda' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x08' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data1'/> - <target dev='sda' bus='scsi'/> - <address type='drive' controller='2' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data2'/> - <target dev='sdb' bus='scsi'/> - <address type='drive' controller='3' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data3'/> - <target dev='sdc' bus='scsi'/> - <address type='drive' controller='4' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data4'/> - <target dev='sdd' bus='scsi'/> - <address type='drive' controller='5' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data5'/> - <target dev='sde' bus='scsi'/> - <address type='drive' controller='6' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data6'/> - <target dev='sdf' bus='scsi'/> - <address type='drive' controller='7' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data7'/> - <target dev='sdg' bus='scsi'/> - <address type='drive' controller='8' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data8'/> - <target dev='sdh' bus='scsi'/> - <address type='drive' controller='9' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data9'/> - <target dev='sdi' bus='scsi'/> - <address type='drive' controller='10' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data10'/> - <target dev='sdj' bus='scsi'/> - <address type='drive' controller='11' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data11'/> - <target dev='sdk' bus='scsi'/> - <address type='drive' controller='12' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data12'/> - <target dev='sdl' bus='scsi'/> - <address type='drive' controller='13' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data13'/> - <target dev='sdm' bus='scsi'/> - <address type='drive' controller='14' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data14'/> - <target dev='sdn' bus='scsi'/> - <address type='drive' controller='15' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data15'/> - <target dev='sdo' bus='scsi'/> - <address type='drive' controller='16' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data16'/> - <target dev='sdp' bus='scsi'/> - <address type='drive' controller='17' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data17'/> - <target dev='sdq' bus='scsi'/> - <address type='drive' controller='18' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data18'/> - <target dev='sdr' bus='scsi'/> - <address type='drive' controller='19' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data19'/> - <target dev='sds' bus='scsi'/> - <address type='drive' controller='20' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data20'/> - <target dev='sdt' bus='scsi'/> - <address type='drive' controller='21' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data21'/> - <target dev='sdu' bus='scsi'/> - <address type='drive' controller='22' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data22'/> - <target dev='sdv' bus='scsi'/> - <address type='drive' controller='23' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data23'/> - <target dev='sdw' bus='scsi'/> - <address type='drive' controller='24' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data24'/> - <target dev='sdx' bus='scsi'/> - <address type='drive' controller='25' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data25'/> - <target dev='sdy' bus='scsi'/> - <address type='drive' controller='26' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data26'/> - <target dev='sdz' bus='scsi'/> - <address type='drive' controller='27' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data27'/> - <target dev='sdaa' bus='scsi'/> - <address type='drive' controller='28' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data28'/> - <target dev='sdab' bus='scsi'/> - <address type='drive' controller='29' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data29'/> - <target dev='sdac' bus='scsi'/> - <address type='drive' controller='30' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data30'/> - <target dev='sdad' bus='scsi'/> - <address type='drive' controller='31' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data31'/> - <target dev='sdae' bus='scsi'/> - <address type='drive' controller='32' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data32'/> - <target dev='sdaf' bus='scsi'/> - <address type='drive' controller='33' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data33'/> - <target dev='sdag' bus='scsi'/> - <address type='drive' controller='34' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data34'/> - <target dev='sdah' bus='scsi'/> - <address type='drive' controller='35' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data35'/> - <target dev='sdai' bus='scsi'/> - <address type='drive' controller='36' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data36'/> - <target dev='sdaj' bus='scsi'/> - <address type='drive' controller='37' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data37'/> - <target dev='sdak' bus='scsi'/> - <address type='drive' controller='38' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data38'/> - <target dev='sdal' bus='scsi'/> - <address type='drive' controller='39' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data39'/> - <target dev='sdam' bus='scsi'/> - <address type='drive' controller='40' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data40'/> - <target dev='sdan' bus='scsi'/> - <address type='drive' controller='41' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data41'/> - <target dev='sdao' bus='scsi'/> - <address type='drive' controller='42' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data42'/> - <target dev='sdap' bus='scsi'/> - <address type='drive' controller='43' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data43'/> - <target dev='sdaq' bus='scsi'/> - <address type='drive' controller='44' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data44'/> - <target dev='sdar' bus='scsi'/> - <address type='drive' controller='45' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data45'/> - <target dev='sdas' bus='scsi'/> - <address type='drive' controller='46' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data46'/> - <target dev='sdat' bus='scsi'/> - <address type='drive' controller='47' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data47'/> - <target dev='sdau' bus='scsi'/> - <address type='drive' controller='48' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data48'/> - <target dev='sdav' bus='scsi'/> - <address type='drive' controller='49' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data49'/> - <target dev='sdaw' bus='scsi'/> - <address type='drive' controller='50' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data50'/> - <target dev='sdax' bus='scsi'/> - <address type='drive' controller='51' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data51'/> - <target dev='sday' bus='scsi'/> - <address type='drive' controller='52' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data52'/> - <target dev='sdaz' bus='scsi'/> - <address type='drive' controller='53' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data53'/> - <target dev='sdba' bus='scsi'/> - <address type='drive' controller='54' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data54'/> - <target dev='sdbb' bus='scsi'/> - <address type='drive' controller='55' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data55'/> - <target dev='sdbc' bus='scsi'/> - <address type='drive' controller='56' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data56'/> - <target dev='sdbd' bus='scsi'/> - <address type='drive' controller='57' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data57'/> - <target dev='sdbe' bus='scsi'/> - <address type='drive' controller='58' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data58'/> - <target dev='sdbf' bus='scsi'/> - <address type='drive' controller='59' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data59'/> - <target dev='sdbg' bus='scsi'/> - <address type='drive' controller='60' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data60'/> - <target dev='sdbh' bus='scsi'/> - <address type='drive' controller='61' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data61'/> - <target dev='sdbi' bus='scsi'/> - <address type='drive' controller='62' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data62'/> - <target dev='sdbj' bus='scsi'/> - <address type='drive' controller='63' bus='0' target='0' unit='0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data63'/> - <target dev='sdbk' bus='scsi'/> - <address type='drive' controller='64' bus='0' target='0' unit='0'/> - </disk> - <controller type='scsi' index='0'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x02' -function='0x0'/> - </controller> - <controller type='scsi' index='1' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x06' -function='0x0'/> - </controller> - <controller type='scsi' index='2' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x01' -function='0x0'/> - </controller> - <controller type='scsi' index='3' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x03' -function='0x0'/> - </controller> - <controller type='scsi' index='4' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x04' -function='0x0'/> - </controller> - <controller type='scsi' index='5' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x05' -function='0x0'/> - </controller> - <controller type='scsi' index='6' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x06' -function='0x0'/> - </controller> - <controller type='scsi' index='7' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x07' -function='0x0'/> - </controller> - <controller type='scsi' index='8' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x08' -function='0x0'/> - </controller> - <controller type='scsi' index='9' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x09' -function='0x0'/> - </controller> - <controller type='scsi' index='10' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x0a' -function='0x0'/> - </controller> - <controller type='scsi' index='11' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x0b' -function='0x0'/> - </controller> - <controller type='scsi' index='12' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x0c' -function='0x0'/> - </controller> - <controller type='scsi' index='13' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x0d' -function='0x0'/> - </controller> - <controller type='scsi' index='14' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x0e' -function='0x0'/> - </controller> - <controller type='scsi' index='15' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x0f' -function='0x0'/> - </controller> - <controller type='scsi' index='16' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x10' -function='0x0'/> - </controller> - <controller type='scsi' index='17' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x11' -function='0x0'/> - </controller> - <controller type='scsi' index='18' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x12' -function='0x0'/> - </controller> - <controller type='scsi' index='19' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x13' -function='0x0'/> - </controller> - <controller type='scsi' index='20' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x14' -function='0x0'/> - </controller> - <controller type='scsi' index='21' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x15' -function='0x0'/> - </controller> - <controller type='scsi' index='22' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x16' -function='0x0'/> - </controller> - <controller type='scsi' index='23' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x17' -function='0x0'/> - </controller> - <controller type='scsi' index='24' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x18' -function='0x0'/> - </controller> - <controller type='scsi' index='25' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x19' -function='0x0'/> - </controller> - <controller type='scsi' index='26' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x1a' -function='0x0'/> - </controller> - <controller type='scsi' index='27' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x1b' -function='0x0'/> - </controller> - <controller type='scsi' index='28' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x1c' -function='0x0'/> - </controller> - <controller type='scsi' index='29' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x1d' -function='0x0'/> - </controller> - <controller type='scsi' index='30' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x01' slot='0x1e' -function='0x0'/> - </controller> - <controller type='scsi' index='31' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x02' slot='0x01' -function='0x0'/> - </controller> - <controller type='scsi' index='32' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x02' slot='0x02' -function='0x0'/> - </controller> - <controller type='scsi' index='33' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x02' slot='0x03' -function='0x0'/> - </controller> - <controller type='scsi' index='34' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x02' slot='0x04' -function='0x0'/> - </controller> - <controller type='scsi' index='35' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x02' slot='0x05' -function='0x0'/> - </controller> - <controller type='scsi' index='36' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x02' slot='0x06' -function='0x0'/> - </controller> - <controller type='scsi' index='37' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x02' slot='0x07' -function='0x0'/> - </controller> - <controller type='scsi' index='38' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x02' slot='0x08' -function='0x0'/> - </controller> - <controller type='scsi' index='39' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x02' slot='0x09' -function='0x0'/> - </controller> - <controller type='scsi' index='40' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x02' slot='0x0a' -function='0x0'/> - </controller> - <controller type='scsi' index='41' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x02' slot='0x0b' -function='0x0'/> - </controller> - <controller type='scsi' index='42' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x02' slot='0x0c' -function='0x0'/> - </controller> - <controller type='scsi' index='43' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x02' slot='0x0d' -function='0x0'/> - </controller> - <controller type='scsi' index='44' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x03' -function='0x0'/> - </controller> - <controller type='scsi' index='45' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x09' -function='0x0'/> - </controller> - <controller type='scsi' index='46' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x0b' -function='0x0'/> - </controller> - <controller type='scsi' index='47' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x0c' -function='0x0'/> - </controller> - <controller type='scsi' index='48' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x0d' -function='0x0'/> - </controller> - <controller type='scsi' index='49' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x0e' -function='0x0'/> - </controller> - <controller type='scsi' index='50' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x0f' -function='0x0'/> - </controller> - <controller type='scsi' index='51' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x10' -function='0x0'/> - </controller> - <controller type='scsi' index='52' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x11' -function='0x0'/> - </controller> - <controller type='scsi' index='53' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x12' -function='0x0'/> - </controller> - <controller type='scsi' index='54' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x13' -function='0x0'/> - </controller> - <controller type='scsi' index='55' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x14' -function='0x0'/> - </controller> - <controller type='scsi' index='56' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x15' -function='0x0'/> - </controller> - <controller type='scsi' index='57' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x16' -function='0x0'/> - </controller> - <controller type='scsi' index='58' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x17' -function='0x0'/> - </controller> - <controller type='scsi' index='59' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x18' -function='0x0'/> - </controller> - <controller type='scsi' index='60' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x19' -function='0x0'/> - </controller> - <controller type='scsi' index='61' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x1a' -function='0x0'/> - </controller> - <controller type='scsi' index='62' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x1b' -function='0x0'/> - </controller> - <controller type='scsi' index='63' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x1c' -function='0x0'/> - </controller> - <controller type='scsi' index='64' model='virtio-scsi'> - <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' -function='0x0'/> - </controller> - <controller type='pci' index='0' model='pci-root'/> - <controller type='pci' index='1' model='pci-bridge'> - <model name='pci-bridge'/> - <target chassisNr='1'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' -function='0x0'/> - </controller> - <controller type='pci' index='2' model='pci-bridge'> - <model name='pci-bridge'/> - <target chassisNr='2'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x1f' -function='0x0'/> - </controller> - </devices> - -vm disks xml (only virtio disks): - <devices> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native'/> - <source file='/vms/tempp/vm-os'/> - <target dev='vda' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x08' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data2'/> - <target dev='vdb' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x06' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data3'/> - <target dev='vdc' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x09' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data4'/> - <target dev='vdd' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x0b' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data5'/> - <target dev='vde' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x0c' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data6'/> - <target dev='vdf' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x0d' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data7'/> - <target dev='vdg' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x0e' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data8'/> - <target dev='vdh' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x0f' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data9'/> - <target dev='vdi' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x10' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data10'/> - <target dev='vdj' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x11' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data11'/> - <target dev='vdk' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x12' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data12'/> - <target dev='vdl' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x13' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data13'/> - <target dev='vdm' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x14' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data14'/> - <target dev='vdn' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x15' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data15'/> - <target dev='vdo' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x16' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data16'/> - <target dev='vdp' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x17' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data17'/> - <target dev='vdq' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x18' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data18'/> - <target dev='vdr' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x19' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data19'/> - <target dev='vds' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x1a' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data20'/> - <target dev='vdt' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x1b' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data21'/> - <target dev='vdu' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x1c' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data22'/> - <target dev='vdv' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data23'/> - <target dev='vdw' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x1e' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data24'/> - <target dev='vdx' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x01' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data25'/> - <target dev='vdy' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x03' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data26'/> - <target dev='vdz' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x04' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data27'/> - <target dev='vdaa' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x05' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data28'/> - <target dev='vdab' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x06' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data29'/> - <target dev='vdac' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x07' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data30'/> - <target dev='vdad' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x08' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data31'/> - <target dev='vdae' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x09' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data32'/> - <target dev='vdaf' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x0a' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data33'/> - <target dev='vdag' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x0b' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data34'/> - <target dev='vdah' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x0c' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data35'/> - <target dev='vdai' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x0d' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data36'/> - <target dev='vdaj' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x0e' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data37'/> - <target dev='vdak' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x0f' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data38'/> - <target dev='vdal' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x10' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data39'/> - <target dev='vdam' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x11' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data40'/> - <target dev='vdan' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x12' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data41'/> - <target dev='vdao' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x13' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data42'/> - <target dev='vdap' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x14' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data43'/> - <target dev='vdaq' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x15' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data44'/> - <target dev='vdar' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x16' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data45'/> - <target dev='vdas' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x17' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data46'/> - <target dev='vdat' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x18' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data47'/> - <target dev='vdau' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x19' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data48'/> - <target dev='vdav' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x1a' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data49'/> - <target dev='vdaw' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x1b' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data50'/> - <target dev='vdax' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x1c' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data51'/> - <target dev='vday' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x1d' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data52'/> - <target dev='vdaz' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x1e' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data53'/> - <target dev='vdba' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x02' slot='0x01' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data54'/> - <target dev='vdbb' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x02' slot='0x02' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data55'/> - <target dev='vdbc' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x02' slot='0x03' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data56'/> - <target dev='vdbd' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x02' slot='0x04' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data57'/> - <target dev='vdbe' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x02' slot='0x05' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data58'/> - <target dev='vdbf' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x02' slot='0x06' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data59'/> - <target dev='vdbg' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x02' slot='0x07' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data60'/> - <target dev='vdbh' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x02' slot='0x08' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data61'/> - <target dev='vdbi' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x02' slot='0x09' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data62'/> - <target dev='vdbj' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x02' slot='0x0a' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data63'/> - <target dev='vdbk' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x02' slot='0x0b' -function='0x0'/> - </disk> - <disk type='file' device='disk'> - <driver name='qemu' type='qcow2' cache='directsync' io='native' -discard='unmap'/> - <source file='/vms/tempp/vm-data1'/> - <target dev='vdbl' bus='virtio'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x03' -function='0x0'/> - </disk> - <controller type='pci' index='0' model='pci-root'/> - <controller type='pci' index='1' model='pci-bridge'> - <model name='pci-bridge'/> - <target chassisNr='1'/> - <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' -function='0x0'/> - </controller> - <controller type='pci' index='2' model='pci-bridge'> - <model name='pci-bridge'/> - <target chassisNr='2'/> - <address type='pci' domain='0x0000' bus='0x01' slot='0x1f' -function='0x0'/> - </controller> - </devices> - -> -> (3) migrate vm and vmâdisks -> -> -What do you mean by 'and vm disks' - are you doing a block migration? -> -Yes, block migration. -In fact, only migration domain also reproduced. - -> -Dave -> -> -> ---------------------------------------------------------------------- -> -> --------------------------------------------------------------- -> -Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK -------------------------------------------------------------------------------------------------------------------------------------- -æ¬é®ä»¶åå ¶é件å«ææ°åä¸éå¢çä¿å¯ä¿¡æ¯ï¼ä» éäºåéç»ä¸é¢å°åä¸ååº -ç个人æ群ç»ãç¦æ¢ä»»ä½å ¶ä»äººä»¥ä»»ä½å½¢å¼ä½¿ç¨ï¼å æ¬ä½ä¸éäºå ¨é¨æé¨åå°æ³é²ãå¤å¶ã -ææ£åï¼æ¬é®ä»¶ä¸çä¿¡æ¯ãå¦ææ¨éæ¶äºæ¬é®ä»¶ï¼è¯·æ¨ç«å³çµè¯æé®ä»¶éç¥å件人并å é¤æ¬ -é®ä»¶ï¼ -This e-mail and its attachments contain confidential information from New H3C, -which is -intended only for the person or entity whose address is listed above. Any use -of the -information contained herein in any way (including, but not limited to, total -or partial -disclosure, reproduction, or dissemination) by persons other than the intended -recipient(s) is prohibited. If you receive this e-mail in error, please notify -the sender -by phone or email immediately and delete it! - diff --git a/classification_output/05/KVM/80615920 b/classification_output/05/KVM/80615920 deleted file mode 100644 index b06a8931d..000000000 --- a/classification_output/05/KVM/80615920 +++ /dev/null @@ -1,356 +0,0 @@ -KVM: 0.803 -mistranslation: 0.800 -other: 0.786 -vnc: 0.768 -instruction: 0.751 -boot: 0.750 -device: 0.748 -assembly: 0.747 -semantic: 0.737 -network: 0.732 -socket: 0.732 -graphic: 0.730 - -[BUG] accel/tcg: cpu_exec_longjmp_cleanup: assertion failed: (cpu == current_cpu) - -It seems there is a bug in SIGALRM handling when 486 system emulates x86_64 -code. - -This code: - -#include <stdio.h> -#include <stdlib.h> -#include <pthread.h> -#include <signal.h> -#include <unistd.h> - -pthread_t thread1, thread2; - -// Signal handler for SIGALRM -void alarm_handler(int sig) { - // Do nothing, just wake up the other thread -} - -// Thread 1 function -void* thread1_func(void* arg) { - // Set up the signal handler for SIGALRM - signal(SIGALRM, alarm_handler); - - // Wait for 5 seconds - sleep(1); - - // Send SIGALRM signal to thread 2 - pthread_kill(thread2, SIGALRM); - - return NULL; -} - -// Thread 2 function -void* thread2_func(void* arg) { - // Wait for the SIGALRM signal - pause(); - - printf("Thread 2 woke up!\n"); - - return NULL; -} - -int main() { - // Create thread 1 - if (pthread_create(&thread1, NULL, thread1_func, NULL) != 0) { - fprintf(stderr, "Failed to create thread 1\n"); - return 1; - } - - // Create thread 2 - if (pthread_create(&thread2, NULL, thread2_func, NULL) != 0) { - fprintf(stderr, "Failed to create thread 2\n"); - return 1; - } - - // Wait for both threads to finish - pthread_join(thread1, NULL); - pthread_join(thread2, NULL); - - return 0; -} - - -Fails with this -strace log (there are also unsupported syscalls 334 and 435, -but it seems it doesn't affect the code much): - -... -736 rt_sigaction(SIGALRM,0x000000001123ec20,0x000000001123ecc0) = 0 -736 clock_nanosleep(CLOCK_REALTIME,0,{tv_sec = 1,tv_nsec = 0},{tv_sec = -1,tv_nsec = 0}) -736 rt_sigprocmask(SIG_BLOCK,0x00000000109fad20,0x0000000010800b38,8) = 0 -736 Unknown syscall 435 -736 -clone(CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID| - ... -736 rt_sigprocmask(SIG_SETMASK,0x0000000010800b38,NULL,8) -736 set_robust_list(0x11a419a0,0) = -1 errno=38 (Function not implemented) -736 rt_sigprocmask(SIG_SETMASK,0x0000000011a41fb0,NULL,8) = 0 - = 0 -736 pause(0,0,2,277186368,0,295966400) -736 -futex(0x000000001123f990,FUTEX_CLOCK_REALTIME|FUTEX_WAIT_BITSET,738,NULL,NULL,0) - = 0 -736 rt_sigprocmask(SIG_BLOCK,0x00000000109fad20,0x000000001123ee88,8) = 0 -736 getpid() = 736 -736 tgkill(736,739,SIGALRM) = 0 - = -1 errno=4 (Interrupted system call) ---- SIGALRM {si_signo=SIGALRM, si_code=SI_TKILL, si_pid=736, si_uid=0} --- -0x48874a != 0x3c69e10 -736 rt_sigprocmask(SIG_SETMASK,0x000000001123ee88,NULL,8) = 0 -** -ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: assertion failed: -(cpu == current_cpu) -Bail out! ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: assertion -failed: (cpu == current_cpu) -0x48874a != 0x3c69e10 -** -ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: assertion failed: -(cpu == current_cpu) -Bail out! ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: assertion -failed: (cpu == current_cpu) -# - -The code fails either with or without -singlestep, the command line: - -/usr/bin/qemu-x86_64 -L /opt/x86_64 -strace -singlestep /opt/x86_64/alarm.bin - -Source code of QEMU 8.1.1 was modified with patch "[PATCH] qemu/timer: Don't -use RDTSC on i486" [1], -with added few ioctls (not relevant) and cpu_exec_longjmp_cleanup() now prints -current pointers of -cpu and current_cpu (line "0x48874a != 0x3c69e10"). - -config.log (built as a part of buildroot, basically the minimal possible -configuration for running x86_64 on 486): - -# Configured with: -'/mnt/hd_8tb_p1/p1/home/crossgen/buildroot_486_2/output/build/qemu-8.1.1/configure' - '--prefix=/usr' -'--cross-prefix=/mnt/hd_8tb_p1/p1/home/crossgen/buildroot_486_2/output/host/bin/i486-buildroot-linux-gnu-' - '--audio-drv-list=' -'--python=/mnt/hd_8tb_p1/p1/home/crossgen/buildroot_486_2/output/host/bin/python3' - -'--ninja=/mnt/hd_8tb_p1/p1/home/crossgen/buildroot_486_2/output/host/bin/ninja' -'--disable-alsa' '--disable-bpf' '--disable-brlapi' '--disable-bsd-user' -'--disable-cap-ng' '--disable-capstone' '--disable-containers' -'--disable-coreaudio' '--disable-curl' '--disable-curses' -'--disable-dbus-display' '--disable-docs' '--disable-dsound' '--disable-hvf' -'--disable-jack' '--disable-libiscsi' '--disable-linux-aio' -'--disable-linux-io-uring' '--disable-malloc-trim' '--disable-membarrier' -'--disable-mpath' '--disable-netmap' '--disable-opengl' '--disable-oss' -'--disable-pa' '--disable-rbd' '--disable-sanitizers' '--disable-selinux' -'--disable-sparse' '--disable-strip' '--disable-vde' '--disable-vhost-crypto' -'--disable-vhost-user-blk-server' '--disable-virtfs' '--disable-whpx' -'--disable-xen' '--disable-attr' '--disable-kvm' '--disable-vhost-net' -'--disable-download' '--disable-hexagon-idef-parser' '--disable-system' -'--enable-linux-user' '--target-list=x86_64-linux-user' '--disable-vhost-user' -'--disable-slirp' '--disable-sdl' '--disable-fdt' '--enable-trace-backends=nop' -'--disable-tools' '--disable-guest-agent' '--disable-fuse' -'--disable-fuse-lseek' '--disable-seccomp' '--disable-libssh' -'--disable-libusb' '--disable-vnc' '--disable-nettle' '--disable-numa' -'--disable-pipewire' '--disable-spice' '--disable-usb-redir' -'--disable-install-blobs' - -Emulation of the same x86_64 code with qemu 6.2.0 installed on another x86_64 -native machine works fine. - -[1] -https://lists.nongnu.org/archive/html/qemu-devel/2023-11/msg05387.html -Best regards, -Petr - -On Sat, 25 Nov 2023 at 13:09, Petr Cvek <petrcvekcz@gmail.com> wrote: -> -> -It seems there is a bug in SIGALRM handling when 486 system emulates x86_64 -> -code. -486 host is pretty well out of support currently. Can you reproduce -this on a less ancient host CPU type ? - -> -ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: assertion failed: -> -(cpu == current_cpu) -> -Bail out! ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: -> -assertion failed: (cpu == current_cpu) -> -0x48874a != 0x3c69e10 -> -** -> -ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: assertion failed: -> -(cpu == current_cpu) -> -Bail out! ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: -> -assertion failed: (cpu == current_cpu) -What compiler version do you build QEMU with? That -assert is there because we have seen some buggy compilers -in the past which don't correctly preserve the variable -value as the setjmp/longjmp spec requires them to. - -thanks --- PMM - -Dne 27. 11. 23 v 10:37 Peter Maydell napsal(a): -> -On Sat, 25 Nov 2023 at 13:09, Petr Cvek <petrcvekcz@gmail.com> wrote: -> -> -> -> It seems there is a bug in SIGALRM handling when 486 system emulates x86_64 -> -> code. -> -> -486 host is pretty well out of support currently. Can you reproduce -> -this on a less ancient host CPU type ? -> -It seems it only fails when the code is compiled for i486. QEMU built with the -same compiler with -march=i586 and above runs on the same physical hardware -without a problem. All -march= variants were executed on ryzen 3600. - -> -> ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: assertion -> -> failed: (cpu == current_cpu) -> -> Bail out! ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: -> -> assertion failed: (cpu == current_cpu) -> -> 0x48874a != 0x3c69e10 -> -> ** -> -> ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: assertion -> -> failed: (cpu == current_cpu) -> -> Bail out! ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: -> -> assertion failed: (cpu == current_cpu) -> -> -What compiler version do you build QEMU with? That -> -assert is there because we have seen some buggy compilers -> -in the past which don't correctly preserve the variable -> -value as the setjmp/longjmp spec requires them to. -> -i486 and i586+ code variants were compiled with GCC 13.2.0 (more exactly, -slackware64 current multilib distribution). - -i486 binary which runs on the real 486 is also GCC 13.2.0 and installed as a -part of the buildroot crosscompiler (about two week old git snapshot). - -> -thanks -> --- PMM -best regards, -Petr - -On 11/25/23 07:08, Petr Cvek wrote: -ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: assertion failed: -(cpu == current_cpu) -Bail out! ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: assertion -failed: (cpu == current_cpu) -# - -The code fails either with or without -singlestep, the command line: - -/usr/bin/qemu-x86_64 -L /opt/x86_64 -strace -singlestep /opt/x86_64/alarm.bin - -Source code of QEMU 8.1.1 was modified with patch "[PATCH] qemu/timer: Don't use -RDTSC on i486" [1], -with added few ioctls (not relevant) and cpu_exec_longjmp_cleanup() now prints -current pointers of -cpu and current_cpu (line "0x48874a != 0x3c69e10"). -If you try this again with 8.2-rc2, you should not see an assertion failure. -You should see instead - -QEMU internal SIGILL {code=ILLOPC, addr=0x12345678} -which I think more accurately summarizes the situation of attempting RDTSC on hardware -that does not support it. -r~ - -Dne 29. 11. 23 v 15:25 Richard Henderson napsal(a): -> -On 11/25/23 07:08, Petr Cvek wrote: -> -> ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: assertion -> -> failed: (cpu == current_cpu) -> -> Bail out! ERROR:../accel/tcg/cpu-exec.c:546:cpu_exec_longjmp_cleanup: -> -> assertion failed: (cpu == current_cpu) -> -> # -> -> -> -> The code fails either with or without -singlestep, the command line: -> -> -> -> /usr/bin/qemu-x86_64 -L /opt/x86_64 -strace -singlestep -> -> /opt/x86_64/alarm.bin -> -> -> -> Source code of QEMU 8.1.1 was modified with patch "[PATCH] qemu/timer: Don't -> -> use RDTSC on i486" [1], -> -> with added few ioctls (not relevant) and cpu_exec_longjmp_cleanup() now -> -> prints current pointers of -> -> cpu and current_cpu (line "0x48874a != 0x3c69e10"). -> -> -> -If you try this again with 8.2-rc2, you should not see an assertion failure. -> -You should see instead -> -> -QEMU internal SIGILL {code=ILLOPC, addr=0x12345678} -> -> -which I think more accurately summarizes the situation of attempting RDTSC on -> -hardware that does not support it. -> -> -Compilation of vanilla qemu v8.2.0-rc2 with -march=i486 by GCC 13.2.0 and -running the resulting binary on ryzen still leads to: - -** -ERROR:../accel/tcg/cpu-exec.c:533:cpu_exec_longjmp_cleanup: assertion failed: -(cpu == current_cpu) -Bail out! ERROR:../accel/tcg/cpu-exec.c:533:cpu_exec_longjmp_cleanup: assertion -failed: (cpu == current_cpu) -Aborted - -> -> -r~ -Petr - |