On 12/01/2011 01:47 PM, Chris Wilson wrote: > On Thu, 01 Dec 2011 13:30:18 +0100, Jiri Slaby <jslaby at suse.cz> 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:
Hi, it seems like it's fixed by the patch. Thanks. > From 2b76187d2f5fc2352e391914b1828f91f93bb356 Mon Sep 17 00:00:00 2001 > From: Chris Wilson <chris at chris-wilson.co.uk> > Date: Tue, 29 Nov 2011 15:12:16 +0000 > Subject: [PATCH] drm/i915: Only clear the GPU domains upon a successful > finish -- js suse labs
