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-rw-r--r--results/classifier/accel-gemma3:12b/kvm/164007376
1 files changed, 76 insertions, 0 deletions
diff --git a/results/classifier/accel-gemma3:12b/kvm/1640073 b/results/classifier/accel-gemma3:12b/kvm/1640073
new file mode 100644
index 000000000..266202cd6
--- /dev/null
+++ b/results/classifier/accel-gemma3:12b/kvm/1640073
@@ -0,0 +1,76 @@
+
+Guest pause because VMPTRLD failed in KVM
+
+1) Qemu command:
+/usr/bin/qemu-kvm -name omu1 -S -machine pc-i440fx-2.3,accel=kvm,usb=off -cpu host -m 15625 -realtime mlock=off -smp 8,sockets=1,cores=8,threads=1 -uuid a2aacfff-6583-48b4-b6a4-e6830e519931 -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/omu1.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -boot strict=on -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x5 -drive file=/home/env/guest1.qcow2,if=none,id=drive-virtio-disk0,format=qcow2,cache=none,aio=native -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk0,id=virtio-disk0 -drive file=/home/env/guest_300G.img,if=none,id=drive-virtio-disk1,format=raw,cache=none,aio=native -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x7,drive=drive-virtio-disk1,id=virtio-disk1 -netdev tap,fd=25,id=hostnet0,vhost=on,vhostfd=26 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=00:00:80:05:00:00,bus=pci.0,addr=0x3 -netdev tap,fd=27,id=hostnet1,vhost=on,vhostfd=28 -device virtio-net-pci,netdev=hostnet1,id=net1,mac=00:00:80:05:00:01,bus=pci.0,addr=0x4 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -device usb-tablet,id=input0 -vnc 0.0.0.0:0 -device cirrus-vga,id=video0,vgamem_mb=16,bus=pci.0,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x8 -msg timestamp=on
+
+2) Qemu log:
+KVM: entry failed, hardware error 0x4
+RAX=00000000ffffffed RBX=ffff8803fa2d7fd8 RCX=0100000000000000 RDX=0000000000000000
+RSI=0000000000000000 RDI=0000000000000046 RBP=ffff8803fa2d7e90 RSP=ffff8803fa2efe90
+R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000000 R11=000000000000b69a
+R12=0000000000000001 R13=ffffffff81a25b40 R14=0000000000000000 R15=ffff8803fa2d7fd8
+RIP=ffffffff81053e16 RFL=00000286 [--S--P-] CPL=0 II=0 A20=1 SMM=0 HLT=0
+ES =0000 0000000000000000 ffffffff 00c00000
+CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
+SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS   [-WA]
+DS =0000 0000000000000000 ffffffff 00c00000
+FS =0000 0000000000000000 ffffffff 00c00000
+GS =0000 ffff88040f540000 ffffffff 00c00000
+LDT=0000 0000000000000000 ffffffff 00c00000
+TR =0040 ffff88040f550a40 00002087 00008b00 DPL=0 TSS64-busy
+GDT=     ffff88040f549000 0000007f
+IDT=     ffffffffff529000 00000fff
+CR0=80050033 CR2=00007f81ca0c5000 CR3=00000003f5081000 CR4=000407e0
+DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 
+DR6=00000000ffff0ff0 DR7=0000000000000400
+EFER=0000000000000d01
+Code=?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? <??> ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ??
+
+3) Demsg
+[347315.028339] kvm: vmptrld ffff8817ec5f0000/17ec5f0000 failed
+klogd 1.4.1, ---------- state change ----------
+[347315.039506] kvm: vmptrld ffff8817ec5f0000/17ec5f0000 failed
+[347315.051728] kvm: vmptrld ffff8817ec5f0000/17ec5f0000 failed
+[347315.057472] vmwrite error: reg 6c0a value ffff88307e66e480 (err 2120672384)
+[347315.064567] Pid: 69523, comm: qemu-kvm Tainted: GF           X 3.0.93-0.8-default #1
+[347315.064569] Call Trace:
+[347315.064587]  [<ffffffff810049d5>] dump_trace+0x75/0x300
+[347315.064595]  [<ffffffff8145e3e3>] dump_stack+0x69/0x6f
+[347315.064617]  [<ffffffffa03738de>] vmx_vcpu_load+0x11e/0x1d0 [kvm_intel]
+[347315.064647]  [<ffffffffa029a204>] kvm_arch_vcpu_load+0x44/0x1d0 [kvm]
+[347315.064669]  [<ffffffff81054ee1>] finish_task_switch+0x81/0xe0
+[347315.064676]  [<ffffffff8145f0b4>] thread_return+0x3b/0x2a7
+[347315.064687]  [<ffffffffa028d9b5>] kvm_vcpu_block+0x65/0xa0 [kvm]
+[347315.064703]  [<ffffffffa02a16d1>] __vcpu_run+0xd1/0x260 [kvm]
+[347315.064732]  [<ffffffffa02a2418>] kvm_arch_vcpu_ioctl_run+0x68/0x1a0 [kvm]
+[347315.064759]  [<ffffffffa028ecee>] kvm_vcpu_ioctl+0x38e/0x580 [kvm]
+[347315.064771]  [<ffffffff8116bdfb>] do_vfs_ioctl+0x8b/0x3b0
+[347315.064776]  [<ffffffff8116c1c1>] sys_ioctl+0xa1/0xb0
+[347315.064783]  [<ffffffff81469272>] system_call_fastpath+0x16/0x1b
+[347315.064797]  [<00007fee51969ce7>] 0x7fee51969ce6
+[347315.064799] vmwrite error: reg 6c0c value ffff88307e664000 (err 2120630272)
+[347315.064802] Pid: 69523, comm: qemu-kvm Tainted: GF           X 3.0.93-0.8-default #1
+[347315.064803] Call Trace:
+[347315.064807]  [<ffffffff810049d5>] dump_trace+0x75/0x300
+[347315.064811]  [<ffffffff8145e3e3>] dump_stack+0x69/0x6f
+[347315.064817]  [<ffffffffa03738ec>] vmx_vcpu_load+0x12c/0x1d0 [kvm_intel]
+[347315.064832]  [<ffffffffa029a204>] kvm_arch_vcpu_load+0x44/0x1d0 [kvm]
+[347315.064851]  [<ffffffff81054ee1>] finish_task_switch+0x81/0xe0
+[347315.064855]  [<ffffffff8145f0b4>] thread_return+0x3b/0x2a7
+[347315.064865]  [<ffffffffa028d9b5>] kvm_vcpu_block+0x65/0xa0 [kvm]
+[347315.064880]  [<ffffffffa02a16d1>] __vcpu_run+0xd1/0x260 [kvm]
+[347315.064907]  [<ffffffffa02a2418>] kvm_arch_vcpu_ioctl_run+0x68/0x1a0 [kvm]
+[347315.064933]  [<ffffffffa028ecee>] kvm_vcpu_ioctl+0x38e/0x580 [kvm]
+[347315.064943]  [<ffffffff8116bdfb>] do_vfs_ioctl+0x8b/0x3b0
+[347315.064947]  [<ffffffff8116c1c1>] sys_ioctl+0xa1/0xb0
+[347315.064951]  [<ffffffff81469272>] system_call_fastpath+0x16/0x1b
+[347315.064957]  [<00007fee51969ce7>] 0x7fee51969ce6
+[347315.064959] vmwrite error: reg 6c10 value 0 (err 0)
+
+4) The isssue can't be reporduced. I search the Intel VMX sepc about reaseons of vmptrld failure:
+The instruction fails if its operand is not properly aligned, sets unsupported physical-address bits, or is equal to the VMXON
+pointer. In addition, the instruction fails if the 32 bits in memory referenced by the operand do not match the VMCS
+revision identifier supported by this processor.
+
+But I can't find any cues from the KVM source code. It seems each error condition is impossible. :(
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