[libvirt-users] blockcommit of domain not successfull

[Peter Krempa]

On Thu, Jun 13, 2019 at 16:01:18 +0200, Lentes, Bernd wrote:
> 
> ----- On Jun 13, 2019, at 1:08 PM, Bernd Lentes bernd.lentes at helmholtz-muenchen.de wrote:
> 
> I found further information in /var/log/messages for both occurrences:
> 
> 2019-06-01T03:05:31.620725+02:00 ha-idg-2 systemd-coredump[14253]: Core Dumping has been disabled for process 30590 (qemu-system-x86).
> 2019-06-01T03:05:31.712673+02:00 ha-idg-2 systemd-coredump[14253]: Process 30590 (qemu-system-x86) of user 488 dumped core.
> 2019-06-01T03:05:32.173272+02:00 ha-idg-2 kernel: [294682.387828] br0: port 4(vnet2) entered disabled state
> 2019-06-01T03:05:32.177111+02:00 ha-idg-2 kernel: [294682.388384] device vnet2 left promiscuous mode
> 2019-06-01T03:05:32.177122+02:00 ha-idg-2 kernel: [294682.388391] br0: port 4(vnet2) entered disabled state
> 2019-06-01T03:05:32.208916+02:00 ha-idg-2 wickedd[2954]: error retrieving tap attribute from sysfs
> 2019-06-01T03:05:41.395685+02:00 ha-idg-2 systemd-machined[2824]: Machine qemu-31-severin terminated.
> 
> 
> 2019-06-08T05:59:17.502899+02:00 ha-idg-1 systemd-coredump[31089]: Core Dumping has been disabled for process 19489 (qemu-system-x86).
> 2019-06-08T05:59:17.523050+02:00 ha-idg-1 systemd-coredump[31089]: Process 19489 (qemu-system-x86) of user 489 dumped core.
> 2019-06-08T05:59:17.650334+02:00 ha-idg-1 kernel: [999258.577132] br0: port 9(vnet7) entered disabled state
> 2019-06-08T05:59:17.650354+02:00 ha-idg-1 kernel: [999258.578103] device vnet7 left promiscuous mode
> 2019-06-08T05:59:17.650355+02:00 ha-idg-1 kernel: [999258.578108] br0: port 9(vnet7) entered disabled state
> 2019-06-08T05:59:25.983702+02:00 ha-idg-1 systemd-machined[1383]: Machine qemu-205-severin terminated.
> 
> Core Dumping is disabled, but nevertheless a core dump has been created ?
> Where could i find it ?
> Would it be useful to provide it ?

So this really hints to qemu crashing. It certainly will be beneficial
to collect the backtrace, but you really should report this (including
the error message from the vm log file) to the qemu team.

They might have even fixed it by now, so a plain update might help.
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