[Pkg-ganeti-devel] Bug#875435: ganeti: random freeze on some kvm guests in a jessie ganeti cluster
Apollon Oikonomopoulos
apoikos at debian.org
Mon Oct 2 11:00:08 UTC 2017
Control: reassign -1 qemu-system-x86
Control: found -1 1:2.1+dfsg-12+deb8u6
Control: tags -1 - moreinfo + confirmed
Control: affects -1 ganeti
Control: retitle -1 qemu-system-x86: guest lockup under light disk I/O when using aio=threads
Hi Thomas,
On 12:06 Mon 02 Oct , Thomas Pierson wrote:
> Hi Apollon,
>
> I did not experience any issues since I changed disk_aio to native and
> disk_cache to none on all instances and it was 3 weeks ago.
> So I believe you can close this bug now.
>
> Beside that, maybe these parameters should be the new default in the
> ganeti package or maybe directly in qemu-kvm package?
>
> Otherwise I will put this tips somewhere in the debian wiki maybe that
> could help other people.
Thanks for reporting back! Rather than close it, I'm reassigning it to
qemu-system-x86. I've come across the same bug myself in the past, so I
think it's useful to document it.
That said, I will consider setting aio=native as a default in future package
versions.
Regards,
Apollon
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