On Wed, Jan 18, 2012 at 10:31:42AM +0100, Jiri Slaby wrote: > On 12/01/2011 01:47 PM, Chris Wilson wrote: > > On Thu, 01 Dec 2011 13:30:18 +0100, Jiri Slaby <jslaby@xxxxxxx> wrote: > >> Hi, > >> > >> both yesterday and today, my GPU hung. Both happened when I opened > >> google front page in firefox. > >> > >> I'm running 3.2.0-rc3-next-20111130. Given it happened twice in the past > >> 24 hours, it looks like a regression from next-20111124. Or is this a > >> userspace issue (I might updated some packages)? > >> > >> i915_error_state dumps from the two hangs are here: > >> http://www.fi.muni.cz/~xslaby/sklad/panics/915_error_state_0 > >> http://www.fi.muni.cz/~xslaby/sklad/panics/915_error_state_second > > > > Both error states contain the same bug: a fence register in conflict > > with the command stream. The batch is using the buffer at 0x03d0000 > > as an untiled 40x40 rgba buffer with pitch 192. However, a fence > > register is programmed to > > fence[3] = 03d00001 > > valid, x-tiled, pitch: 512, start: 0x03d00000, size: 1048576 > > > > Also note that buffer is also not listed as currently active, so > > presumably we reused the buffer as tiled (and so reprogrammed the > > fence registered) before the GPU retired the batch. That sounds eerily > > similar to this bug: > > > > From 2b76187d2f5fc2352e391914b1828f91f93bb356 Mon Sep 17 00:00:00 2001 > > From: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > > Date: Tue, 29 Nov 2011 15:12:16 +0000 > > Subject: [PATCH] drm/i915: Only clear the GPU domains upon a successful > > finish > > Hi, do you plan to push this patch upstream? Or am I supposed to not use > it anymore? It's on track to get merged to drm-intel-next. I'll probably pick it up in a week or so. -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
