[vfio-users] Guest random short Hang-ups

Andrei Grigore andrei.grg at gmail.com
Thu Oct 13 11:38:11 UTC 2016


This was also my thought. It seems like upon some level of IO activity it
hangs for a bit. I am using a SSD already.

I am not sure you can do that.

On Oct 13, 2016 11:17, "Ghormoon" <ghormoon at gmail.com> wrote:

> Hi,
>
> Shuttering/hangs usually happen to me if IO doesnt manage to cope with the
> load.
> When using zfs (zvol) this basically means that I can use this only on ssd
> drives.
> Can this be the same case? Any ideas how to make the guest wait for io,
> not qemu?
>
> Regards,
> Gh.
>
> On Oct 13, 2016 11:09, "Andrei Grigore" <andrei.grg at gmail.com> wrote:
>
> Hi all,
>
> What can cause random guest Hang-ups? I mean totally very short freezes.
> It can't be the input pheriphrals, since I am using Synergy. Can it be CPU
> related?
>
> I have a FX-8230 with 8 cores and I am using only 6 Cores for the Guest
> with the following pinning:
>
> Core 1 - 2-3
> Core 2 - 4-5
> Core 3 - 6-7
>
> Tried with both .raw and .qcow2 on ext4 Storage.
>
> Thanks,
> Andrei.
>
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