Re: [git pull] drm main pull for 3.4-rc1

Daniel Vetter
2012-03-27T19:31:04Z

On Mon, Mar 26, 2012 at 03:44:33PM +0100, Tony Vroon wrote:
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> On 26/03/12 15:32, Daniel Vetter wrote:
> > Also, can you check whether disabling vt-d does work around the
> > issue?
>
> Yes, that does appear to stay operational for longer on:
> Linux adrastea 3.3.0-06972-ge22057c #1 SMP PREEMPT Mon Mar 26 11:29:21
> BST 2012 x86_64 Intel(R) Core(TM) i7-2620M CPU @ 2.70GHz GenuineIntel
> GNU/Linux
>
> Obviously I would like to have x2apic and my IOMMU back...

Can you try out the for-chainsaw branch from

git://people.freedesktop.org/~danvet/drm

Afaics it seems to help here on my snb with VT-d enabled. But that means
it'll still crash eventually with tons of DMAR fault message (like yours).
But compared to previous kernels it now doesn't insta-die for me. So no
high hopes, please, but it would be interesting to know how this fares for
you.

Meanwhile I'll be trying a few other funky tricks.
-Daniel
--
Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48