Re: [Qemu-devel] [PATCH 0/7] virtio: avoid inappropriate QEMU termination

[Cornelia Huck]

On Thu, 22 Sep 2016 10:14:56 +0200
Greg Kurz <address@hidden> wrote:

> On Thu, 22 Sep 2016 07:38:29 +0000
> "Gonglei (Arei)" <address@hidden> wrote:

> > I saw virtio_error() only handle the virtio 1.0 device, the legacy virtio 
> > device may
> > still stuck, am I right?
> > 
> 
> The DEVICE_NEEDS_RESET bit was introduced by the virtio 1.0 specification.
> 
> http://docs.oasis-open.org/virtio/virtio/v1.0/cs04/virtio-v1.0-cs04.html#x1-100001
> 
> Yes, the legacy device will stay stuck since the broken flag is set.

Yes, I fear there's nothing we can do to handle legacy devices
gracefully. If one broken device doesn't drag down the rest of the
machine with it, it's still a net win, I think.