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Re: [Qemu-devel] test-filter-mirror hangs

From: Peter Maydell
Subject: Re: [Qemu-devel] test-filter-mirror hangs
Date: Tue, 15 Jan 2019 10:28:26 +0000

On Fri, 11 Jan 2019 at 16:15, Dr. David Alan Gilbert
<address@hidden> wrote:
> * Peter Maydell (address@hidden) wrote:
> > Recently I've noticed that test-filter-mirror has been hanging
> > intermittently, typically when run on some other TCG architecture.
> > In the instance I've just looked at, this was with s390x guest on
> > x86-64 host, though I've also seen it on other host archs and
> > perhaps with other guests.
> Watch out to see if you really do see it for other guests;
> it carefully avoids using virtio-net to avoid vhost; but on s390x it
> uses virtio-net-ccw - could that hit the vhost it was trying to avoid?

I've seen several hangs in the last few days, all on s390x guests.
It is intermittent though, so sometimes s390x works fine.

-- PMM

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