Re: [Qemu-devel] [PATCH 0/6] virtio: refactor host notifiers

[Cornelia Huck <cornelia.huck@de.ibm.com>]

On Thu, 24 Mar 2016 18:06:21 +0100
Paolo Bonzini <pbonzini@redhat.com> wrote:

> On 24/03/2016 17:15, Cornelia Huck wrote:
> > Here's the next version of my refactoring of the virtio host notifiers.
> > This one actually survives a bit of testing for me (reboot loop).
> > 
> > As this patchset fixes a latent bug exposed by the recent dataplane
> > changes (we have a deassigned ioeventfd for a short period of time
> > during dataplane start, which leads to the virtqueue handler being
> > called in both the vcpu thread and the iothread simultaneously), I'd
> > like to see this in 2.6.
> 
> Tested-by: Paolo Bonzini <pbonzini@redhat.com>
> 
> Resisted 6 minutes versus 10 seconds.  At about 2.5 seconds per reboot, 
> that means the failure happened at the fourth reboot before, and 
> resisted about 150 reboots with your patches.

Thanks for testing!

Is the failure still the same? I thought I had understood the problem
by now, and I'm wondering which hole we're still missing.