12:19 p.m.
----- On Jun 5, 2019, at 4:49 PM, Peter Krempa pkrempa(a)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(a)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
Aufsichtsratsvorsitzende: MinDir'in Prof. Dr. Veronika von Messling
Geschaeftsfuehrung: Prof. Dr. med. Dr. h.c. Matthias Tschoep, Heinrich Bassler, Kerstin
Guenther
Registergericht: Amtsgericht Muenchen HRB 6466
USt-IdNr: DE 129521671