On Thu, Jul 30, 2015 at 12:52:19PM +0100, Michel Thierry wrote: > On 7/30/2015 12:26 PM, Chris Wilson wrote: > >Just a head's up, I haven't root caused this yet, but with > >i915.enable_ppgtt=2 I started getting GPU hangs that didn't happen > >before this series... > > Sounds like I screwed up something in the first 4 patches or in the > Wa32bit one. The rest of the changes are contained to 48-bit code. It's also likely to be bdw specific since I've been running the same kernel on snb/ivb/hsw without issue. I just thought I would do a quick compare of pggtt=3 against pggtt=2 when the problems started. > Have you find a way to reproduce it? It was in the middle of the ue4 Reflections demo, though it had run through a sample of other tests seemingly without issue. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
