libvirt segfaults with "internal,error: Missing monitor reply object", during block live-migration

[Alex Walender]

Hi Peter,

I have attached a trace via coredump.

Best Regards



Am 30.07.20 um 17:03 schrieb Peter Krempa:
> On Thu, Jul 30, 2020 at 16:13:09 +0200, Alex Walender wrote:
>> Dear libvirt community,
>>
>>
>> Using recent Ubuntu Stein Cloud Packages, we are observing random
>> libvirtd live-migration crashes on the target host.
>> Libvirt is having a SEGFAULT with the qemu driver. Transferring block
>> devices usually works without issues.
>> However, the following memory transfer is causing the target libvirtd
>> randomly to close down its socket, resulting in a roll-backed migration
>> process.I can reproduce this with large VMs, which have a large memory pool.
> Could you please also attach the backtrace of the libvirtd process once
> it crashes? That would be helpful.
>

-- 
M.Sc Alex Walender
de.NBI Cloud Bielefeld Administrator
Center for Biotechnology (CeBiTec)

University of Bielefeld
33594 Bielefeld
Germany
room: M3-118
phone: +49 (521) 106 2907

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