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Re: [libvirt-users] blockcommit of domain not successfull




----- On Jun 13, 2019, at 9:56 AM, Peter Krempa pkrempa redhat com wrote:


> 
> Thanks for comming back to me with the information.
> 
> Unfortunately this is not a full debug log but I can try to tell you
> what I see here:

I configured libvirtd that way:
ha-idg-1:~ # grep -Ev '^$|#' /etc/libvirt/libvirtd.conf

log_level = 1
log_filters="1:qemu 3:remote 4:event 3:util.json 3:rpc"
log_outputs="1:file:/var/log/libvirt/libvirtd.log"
keepalive_interval = -1

That's what i found on https://wiki.libvirt.org/page/DebugLogs .
Isn't that correct ? That should create informative logfiles.
The other host has excat the same configuration but produce much bigger logfiles !?!
I have libvirt-daemon-4.0.0-8.12.1.x86_64.

> 
>> 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
> 
> So this looks like qemu crashed. Or at least it's the usual symptom we
> get. Is there anything in /var/log/libvirt/qemu/$VMNAME.log?

That's all:
qemu-system-x86_64: block/mirror.c:864: mirror_run: Assertion `((&bs->tracked_requests)->lh_first == ((void *)0))' failed.


> 
>> 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)
> 
> And this looks to me as if the Abort job can't be interrupted properly
> while waiting synchronously for the job to finish. This seems to be the
> problem. If the VM indeed crashed there's a problem in job waiting
> apparently.
> 
> I'd still really like to have debug logs in this case to really see what
> happened.

I configured logging as i  found on https://wiki.libvirt.org/page/DebugLogs.
What else can i do ?

Bernd

Bernd
 

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