Re: [Xen-devel] [BUG] Xen panic with VT-d PI

[Dario Faggioli <dario.faggioli@xxxxxxxxxx>]

On Thu, 2016-05-26 at 13:03 +0000, Wu, Feng wrote:
> > On Thu, May 26, 2016 at 01:56:28AM +0000, Wu, Feng wrote:
> > > 
> > > The patch fixing this issue has already been sent to upstream.
> > > 
> > > " [PATCH 0/3] VMX: Properly handle pi descriptor and per-cpu
> > > blocking list "
> > > 
> > > v2 will be sent out soon.
> > > 
> > I just went through that thread. There are some open questions.
> > Also Jan
> > requested that you explore other possible options.
> > 
> > My current plan is to not block the release for this -- we're very
> > close
> > to the anticipated release date, and posted-interrupt is either
> > technical preview or experimental, so bugs there are expected.
> > 
> > This issue will be listed as a known issue for PI. And you can
> > continue
> > to develop a fix for it. Your fix will be integrated with next
> > version
> > of Xen. Then you can request for backport to 4.7 if you want to.
> > 
> > What do you think about this plan?
> I am going to send out the next version of this series, let's see how
> it is going on. But basically, I am fine with your release plan.
> 
This does not have anything to do with Wei's plan (with which I also
agree), but are you sure that the bug being reported here is related to
and would be fixed by the patch you're mentioning?

Have you also seen it, and is that what led to the patch? If yes,
please, add a bit more information (including excerpts of, or insights
about the splat) in the patch changelog.

Regards,
Dario
-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)

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