On Tue, Mar 27, 2012 at 09:31:24PM +0200, Daniel Vetter wrote: > On Mon, Mar 26, 2012 at 03:44:33PM +0100, Tony Vroon wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > 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. Yet another thing to try: Can you append intel_iommu=igfx_off to your kernel cmdline? If you can, try this both on mainline kernels and with my additional patches. -Daniel -- Daniel Vetter Mail: daniel@xxxxxxxx Mobile: +41 (0)79 365 57 48 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
