[Intel-gfx] frequent x crashes with gen6/sna
mummenschanz at gmx.net
Mon Oct 17 15:54:03 CEST 2011
I believe I tried that already but I'll give it another shot. To avoid another screw up: Can I check in proc or sysfs to see, if iommu is really disabled? I also have pcie_aspm=force set as kernel parameter to save some watts but it does not seem to contribute to the gpu hangs.
-------- Original-Nachricht --------
> Datum: Mon, 17 Oct 2011 15:16:42 +0200
> Von: Daniel Vetter <daniel at ffwll.ch>
> An: Dieter Mummenschanz <mummenschanz at gmx.net>
> CC: Daniel Vetter <daniel at ffwll.ch>, intel-gfx at lists.freedesktop.org, libva at lists.freedesktop.org
> Betreff: Re: [Intel-gfx] frequent x crashes with gen6/sna
> On Mon, Oct 17, 2011 at 02:37:21PM +0200, Dieter Mummenschanz wrote:
> > Hi Daniel,
> > no problem. dmesg.log attached.
> > To reproduce the hang: try to play two or more bluray streams at once
> > and probably a hires wmv stream as well using mplayer-vaapi. also run a
> > opengl game like Quake3 or prboom-plus
> > (http://prboom-plus.sourceforge.net). You'll need an additional "pwad"
> > file for prboom. PM me for that. With everything up and running, open a
> > browser and do normal desktop work. That'll do it. Sometimes after a
> > minute - sometimes after an hour. One more thing: I have a mobile
> > i7-2620M chip, no additional gpu, running with cpufreq-tools on demand.
> > The Notebook runs on AC Power all the time.
> > If I can help in any way (testing patches, etc), please let me know :-)
> As I kinda expected, you're running with VT-d/DMAR switched on. That's
> implicated in quite a few rc6/strange hang reports already. Can you check
> what happens when you turn that off, either in the bios or with
> on the kernel cmdline?
> Thanks, Daniel
> Daniel Vetter
> Mail: daniel at ffwll.ch
> Mobile: +41 (0)79 365 57 48
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