[vfio-users] Guest random short Hang-ups

Ghormoon ghormoon at gmail.com
Thu Oct 13 09:17:03 UTC 2016


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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