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Diffstat (limited to 'results/classifier/deepseek-1/output/hypervisor/1712818')
| -rw-r--r-- | results/classifier/deepseek-1/output/hypervisor/1712818 | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/results/classifier/deepseek-1/output/hypervisor/1712818 b/results/classifier/deepseek-1/output/hypervisor/1712818 new file mode 100644 index 000000000..fceec0287 --- /dev/null +++ b/results/classifier/deepseek-1/output/hypervisor/1712818 @@ -0,0 +1,72 @@ + +live migration with storage encounter assert(!(bs->open_flags & BDRV_O_INACTIVE)) crashes + +The vm guest runs a iotest program, and i migrate it with virsh --copy-storage-all,then the qemu process on the source host happens to crash with the following message: + +kvm: block/io.c:1543: bdrv_co_pwritev: Assertion `!(bs->open_flags & 0x0800)' failed. +2017-08-24 11:43:45.919+0000: shutting down, reason=crashed + + +here is the release: +qemu 2.7 & 2.10.rc3 were tested. +libvirt 3.0.0 & 3.2.0 were tested. + +command line: +src_host:virsh migrate --verbose --live --persistent --copy-storage-all vm-core qemu+ssh://dst_host/system + +Resaon: After bdrv_inactivate_all() was called, mirror_run coroutine stills write the left dirty disk data to remote nbd server, which triggers the assertion. But I don't known how to avoid the problem, help is needed! Thanks. + +On 08/24/2017 07:59 AM, meeho yuen wrote: +> Public bug reported: +> +> The vm guest runs a iotest program, and i migrate it with virsh --copy- +> storage-all,then the qemu process on the source host happens to crash +> with the following message: +> +> kvm: block/io.c:1543: bdrv_co_pwritev: Assertion `!(bs->open_flags & 0x0800)' failed. +> 2017-08-24 11:43:45.919+0000: shutting down, reason=crashed + +> here is the release: +> qemu 2.7 & 2.10.rc3 were tested. + +The just-tagged 2.10-rc4 includes a fix that should be addressing that +issue during live migration; can you please re-test with that? (see +also https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg04513.html) + +-- +Eric Blake, Principal Software Engineer +Red Hat, Inc. +1-919-301-3266 +Virtualization: qemu.org | libvirt.org + + + +Thank you,I will try it. + +hi,eblake,the problem still exists on qemu 2.10_rc4,although the possibility is less than before. + + +kvm: block/io.c:1543: bdrv_co_pwritev: Assertion `!(bs->open_flags & 0x0800)' failed. +2017-08-25 11:08:18.963+0000: shutting down, reason=crashed + + +I see the same thing: + +2017-12-28 21:36:26.837+0000: initiating migration +qemu-system-x86_64: block/io.c:1537: bdrv_co_pwritev: Assertion `!(bs->open_flags & BDRV_O_INACTIVE)' failed. +2017-12-28 21:36:40.516+0000: shutting down, reason=crashed +~ + +Running: +QEMU emulator version 2.10.1 +libvirtd (libvirt) 3.10.0 + + + +It seems that the following commit for libvirt fixed the problem. +https://github.com/libvirt/libvirt/blob/960326237764f8970250a3608e7b2b880e030715/src/qemu/qemu_migration.c + + +Looking through old bug tickets... is this still an issue with the latest version of QEMU? Or could we close this ticket nowadays? + +[Expired for QEMU because there has been no activity for 60 days.] + |