[Spice-devel] Vdagent not working on xen linux hvm DomUs

[Wei Liu]

On Mon, Mar 10, 2014 at 02:32:31PM +0200, Michael S. Tsirkin wrote:
> On Tue, Dec 17, 2013 at 05:01:58PM +0100, Fabio Fantoni wrote:
> > Il 13/12/2013 17:22, Wei Liu ha scritto:
> > >On Fri, Dec 13, 2013 at 10:51:01AM +0100, Fabio Fantoni wrote:
> > >>Il 12/12/2013 17:05, Fabio Fantoni ha scritto:
> > >>>Il 12/12/2013 16:23, Wei Liu ha scritto:
> > >>>>On Thu, Dec 12, 2013 at 02:10:23PM +0100, Fabio Fantoni wrote:
> > >>>>[...]
> > >>>>>I did some other tests, I narrowed down the commit range to
> > >>>>>the one between:
> > >>>>>
> > >>>>>commit c9fea5d701f8fd33f0843728ec264d95cee3ed37 Mon, 22 Jul 2013
> > >>>>>15:14:18 (Merge remote-tracking branch 'bonzini/iommu-for-anthony')
> > >>>>>where there is virtio net regression with xen
> > >>>>>
> > >>>>>and
> > >>>>>
> > >>>>>commit    962b03fcf509db25c847aa67c4eff574c240dcfe Thu, 4 Jul 2013
> > >>>>>15:42:43 +0000 (xen: Mark fixed platform I/O as unaligned)
> > >>>>>where virtio net is working
> > >>>>>
> > >>>>>I also tested:
> > >>>>>commit 2562becfc126ed7678c662ee23b7c1fe135d8966 Mon, 15 Jul 2013
> > >>>>>19:02:41 +0000
> > >>>>>and
> > >>>>>commit dcb117bfda5af6f6ceb7231778d36d8bce4aee93 Thu, 4 Jul 2013
> > >>>>>15:42:46 +0000
> 
> bisect is pretty aggressive sometimes but there are only 300
> commits in this range.
> So you should be able to just try them all automatically.
> 
> It might be a good idea to start a new thread,
> Cc all lists at the same time and collect the
> information known so far.
> 
> Also, is MSI working for Xen generally?
> Maybe it's not a virtio-only problem.
> 

I beleive MSI works to some degree. There's code to inject MSI interrupt
to HVM guest in QEMU.

Wei.