[libvirt-users] blockcommit of domain not successfull
Lentes, Bernd
bernd.lentes at helmholtz-muenchen.de
Tue Jun 11 17:19:05 UTC 2019
----- On Jun 5, 2019, at 4:49 PM, Peter Krempa pkrempa at redhat.com wrote:
> On Wed, Jun 05, 2019 at 13:33:49 +0200, Lentes, Bernd wrote:
>> Hi Peter,
>>
>> thanks for your help.
>>
>> ----- On Jun 5, 2019, at 9:27 AM, Peter Krempa pkrempa at redhat.com wrote:
>
> [...]
>
>>
>> >
>> > So that's interresting. Usually assertion failure in qemu leads to
>> > calling abort() and thus the vm would have crashed. Didn't you HA
>> > solution restart it?
>>
>> No. As said the VM didn't crash. It kept running.
>
> That's interresting. I hope you manage to reproduce it then.
>
>>
>> > At any rate it would be really beneficial if you could collect debug
>> > logs for libvirtd which also contain the monitor interactions with qemu:
>> >
>> > https://wiki.libvirt.org/page/DebugLogs
>> >
>> > The qemu assertion failure above should ideally be reported to qemu, but
>> > if you are able to reproduce the problem with libvirtd debug logs
>> > enabled I can extract more useful info from there which the qemu project
>> > would ask you anyways.
>>
>> I can't reproduce it. It seems to happen accidentally. But i can collect the
>> logs. Do they get very large ?
>> I can contact you the next time it happen. Is that ok for you ?
>
> Unfortunately they do get very large if there's some monitoring
> gathering stats through libvirt, but it's okay to nuke them prior
> to attempting the block commit, or daily or so.
>
> Please do contact me if you gather anything interresting.
Hi,
it happened again.
Following the log of my script it started on 8th of june at 5:59:09 (UTC+2) to blockcommit the domain.
These are the related lines in libvirtd.log:
===================================================
2019-06-07 20:30:57.170+0000: 30299: error : qemuMonitorIO:719 : internal error: End of file from qemu monitor
2019-06-08 03:59:17.690+0000: 30299: error : qemuMonitorIO:719 : internal error: End of file from qemu monitor
2019-06-08 03:59:26.145+0000: 30300: warning : qemuGetProcessInfo:1461 : cannot parse process status data
2019-06-08 03:59:26.191+0000: 30303: warning : qemuGetProcessInfo:1461 : cannot parse process status data
2019-06-08 03:59:56.095+0000: 27956: warning : qemuDomainObjBeginJobInternal:4865 : Cannot start job (destroy, none) for domain severin; current job is (modify, none) owned by (13061 remoteDispatchDomainBlockJobAbort, 0 <null>) for (38s,
0s)
2019-06-08 03:59:56.095+0000: 27956: error : qemuDomainObjBeginJobInternal:4877 : Timed out during operation: cannot acquire state change lock (held by remoteDispatchDomainBlockJobAbort)
2019-06-08 03:59:56.325+0000: 13060: warning : qemuGetProcessInfo:1461 : cannot parse process status data
2019-06-08 03:59:56.372+0000: 30304: warning : qemuGetProcessInfo:1461 : cannot parse process status data
2019-06-08 04:00:26.503+0000: 13060: warning : qemuGetProcessInfo:1461 : cannot parse process status data
====================================================
Since then the script is stuck.
Thanks for your help.
Bernd
Helmholtz Zentrum Muenchen
Deutsches Forschungszentrum fuer Gesundheit und Umwelt (GmbH)
Ingolstaedter Landstr. 1
85764 Neuherberg
www.helmholtz-muenchen.de
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