diff options
Diffstat (limited to 'results/classifier/accel-gemma3:12b/kvm/1283')
| -rw-r--r-- | results/classifier/accel-gemma3:12b/kvm/1283 | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/results/classifier/accel-gemma3:12b/kvm/1283 b/results/classifier/accel-gemma3:12b/kvm/1283 new file mode 100644 index 000000000..8cac802a5 --- /dev/null +++ b/results/classifier/accel-gemma3:12b/kvm/1283 @@ -0,0 +1,83 @@ + +Live migration cause scsi_req_unref: Assertion `req->refcount > 0' failed +Description of problem: +During live migration, copy file from one folder to another. Migration can succeed. After a while, copy can't finish and in target host qemu crash: +``` +qemu-system-x86_64: ../hw/scsi/scsi-bus.c:1366: scsi_req_unref: Assertion `req->refcount > 0' failed. +2022-10-28 03:22:54.948+0000: shutting down, reason=crashed +``` +libvirt configure related: +``` + <disk type='file' device='disk'> + <driver name='qemu' type='qcow2'/> + <source file='/images/gen-l-vrt-295-008/swx-jd01-001-new.img'/> + <target dev='sda' bus='scsi'/> + <alias name='ua-box-volume-0'/> + <address type='drive' controller='0' bus='0' target='0' unit='0'/> + </disk> + <controller type='scsi' index='0' model='lsilogic'> + <address type='pci' domain='0x0000' bus='0x03' slot='0x01' function='0x0'/> + </controller> +``` +If change `bus='scsi'` to `bus='sata'`, same test steps can pass. +Steps to reproduce: +1. Inside VM +``` +fallocate -l 10G /tmp/test.img +cp /tmp/test.img / +``` +2. Same time, migrate VM to another server +``` +virsh migrate --verbose --live --persistent swx-jd01-001 qemu+ssh://gen-l-vrt-294/system --unsafe --auto-converge --auto-converge-initial 60 --auto-converge-increment 20 + +``` +3. After a while, cp can't finish and qemu crash on destination server with assert fail. +Additional information: +stack traces: +``` +#0 __pthread_kill_implementation (no_tid=0, signo=6, threadid=140544841483840) at ./nptl/pthread_kill.c:44 +#1 __pthread_kill_internal (signo=6, threadid=140544841483840) at ./nptl/pthread_kill.c:78 +#2 __GI___pthread_kill (threadid=140544841483840, signo=signo@entry=6) at ./nptl/pthread_kill.c:89 +#3 0x00007fd3284f9476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26 +#4 0x00007fd3284df7f3 in __GI_abort () at ./stdlib/abort.c:79 +#5 0x00007fd3284df71b in __assert_fail_base + (fmt=0x7fd328694150 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x55791c97acbb "req->refcount > 0", file=0x55791c97ac7f "../hw/scsi/scsi-bus.c", line=1366, function=<optimized out>) + at ./assert/assert.c:92 +#6 0x00007fd3284f0e96 in __GI___assert_fail + (assertion=assertion@entry=0x55791c97acbb "req->refcount > 0", file=file@entry=0x55791c97ac7f "../hw/scsi/scsi-bus.c", line=line@entry=1366, function=function@entry=0x55791c97b2a0 <__PRETTY_FUNCTION__.14> "scsi_req_unref") at ./assert/assert.c:101 +#7 0x000055791c499a2e in scsi_req_unref (req=<optimized out>) at ../hw/scsi/scsi-bus.c:1366 +#8 0x000055791c49b61f in scsi_device_purge_requests (sdev=sdev@entry=0x55791e6e0c00, sense=...) at ../hw/scsi/scsi-bus.c:1639 +#9 0x000055791c49d704 in scsi_disk_reset (dev=0x55791e6e0c00) at ../hw/scsi/scsi-disk.c:2336 +#10 0x000055791c72a6ed in qdev_reset_one (dev=<optimized out>, opaque=<optimized out>) at ../hw/core/qdev.c:254 +#11 0x000055791c726fa9 in qbus_walk_children + (bus=<optimized out>, pre_devfn=0x55791c728770 <qdev_prereset>, pre_busfn=0x55791c7286a0 <qbus_prereset>, post_devfn=0x55791c72a6e0 <qdev_reset_one>, post_busfn=0x55791c728ae0 <qbus_reset_one>, opaque=0x0) at ../hw/core/bus.c:54 +#12 0x000055791c72a790 in qdev_walk_children + (opaque=0x0, post_busfn=0x55791c728ae0 <qbus_reset_one>, post_devfn=0x55791c72a6e0 <qdev_reset_one>, pre_busfn=0x55791c7286a0 <qbus_prereset>, pre_devfn=0x55791c728770 <qdev_prereset>, dev=0x55791ed2a430) at ../hw/core/qdev.c:413 +#13 qdev_reset_all (dev=0x55791ed2a430) at ../hw/core/qdev.c:272 +#14 0x000055791c688134 in memory_region_write_accessor (mr=mr@entry=0x55791ed2ae60, addr=20, value=value@entry=0x7fd32559f618, size=size@entry=1, shift=<optimized out>, mask=mask@entry=255, attrs=...) + at ../softmmu/memory.c:492 +#15 0x000055791c6858c6 in access_with_adjusted_size + (addr=addr@entry=20, value=value@entry=0x7fd32559f618, size=size@entry=1, access_size_min=<optimized out>, access_size_max=<optimized out>, access_fn=0x55791c6880b0 <memory_region_write_accessor>, mr=0x55791ed2ae60, attrs=...) at ../softmmu/memory.c:554 +#16 0x000055791c689bf2 in memory_region_dispatch_write (mr=mr@entry=0x55791ed2ae60, addr=20, data=<optimized out>, op=<optimized out>, attrs=attrs@entry=...) at ../softmmu/memory.c:1521 +#17 0x000055791c690cf0 in flatview_write_continue (fv=fv@entry=0x55791e729ac0, addr=addr@entry=4257226772, attrs=..., + attrs@entry=..., ptr=ptr@entry=0x7fd328d36028, len=len@entry=1, addr1=<optimized out>, l=<optimized out>, mr=0x55791ed2ae60) at /opt/qemu/include/qemu/host-utils.h:166 +#18 0x000055791c690fb0 in flatview_write (fv=0x55791e729ac0, addr=addr@entry=4257226772, attrs=attrs@entry=..., buf=buf@entry=0x7fd328d36028, len=len@entry=1) at ../softmmu/physmem.c:2867 +#19 0x000055791c694799 in address_space_write (len=1, buf=0x7fd328d36028, attrs=..., addr=4257226772, as=0x55791d08a740 <address_space_memory>) at ../softmmu/physmem.c:2963 +#20 address_space_rw (as=0x55791d08a740 <address_space_memory>, addr=4257226772, attrs=attrs@entry=..., buf=buf@entry=0x7fd328d36028, len=1, is_write=<optimized out>) at ../softmmu/physmem.c:2973 +#21 0x000055791c71d19e in kvm_cpu_exec (cpu=cpu@entry=0x55791dc9d890) at ../accel/kvm/kvm-all.c:2954 +#22 0x000055791c71e6c5 in kvm_vcpu_thread_fn (arg=arg@entry=0x55791dc9d890) at ../accel/kvm/kvm-accel-ops.c:49 +#23 0x000055791c885be1 in qemu_thread_start (args=<optimized out>) at ../util/qemu-thread-posix.c:504 +#24 0x00007fd32854bb43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442 +#25 0x00007fd3285dcbb4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100 +``` +Guest disk partition +``` +root@swx-jd01-001:~# lsblk +NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT +sda 8:0 0 64G 0 disk +├─sda1 8:1 0 512M 0 part /boot/efi +├─sda2 8:2 0 1K 0 part +└─sda5 8:5 0 63.5G 0 part + ├─vgwin--dbausdhrjgi-root 253:0 0 62.6G 0 lvm / + └─vgwin--dbausdhrjgi-swap_1 253:1 0 980M 0 lvm [SWAP] +``` |