linux-kernel - Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues")

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Date:   Fri, 07 Apr 2017 09:22:02 +0200
From:   Mike Galbraith <efault@....de>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     Christoph Hellwig <hch@....de>,
        Thorsten Leemhuis <linux@...mhuis.info>,
        virtio-dev@...ts.oasis-open.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        rjones@...hat.com
Subject: Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use
 shared interrupts for virtqueues")

On Fri, 2017-04-07 at 09:05 +0200, Mike Galbraith wrote:
> On Fri, 2017-04-07 at 08:44 +0200, Mike Galbraith wrote:
> > On Fri, 2017-04-07 at 09:24 +0300, Michael S. Tsirkin wrote:
> > > On Fri, Apr 07, 2017 at 08:03:19AM +0200, Mike Galbraith wrote:
> > 
> > > > Test tag works fine here w/wo threadirqs, RT works as well.
> > > > 
> > > > 	-Mike
> > > 
> > > Thanks a lot.
> > > OK I pushed out two new tags
> > > 	test1 with just the cleanup reverts
> > > 	test2 with a bugfix in this area
> > > 
> > > 
> > > I would very much appreciate your testing report on both -
> > > should be ok but better make sure.
> > 
> > Ok, once it percolates out I'll do that.
> 
> for_linus-10-g960bef2a6172 contains a -ENOBUILD merge conflict.

But test2 works fine w/wo threadirqs.