On Tue, 21 Jun 2011 10:01:35 +1000 Ted Phelps <phe...@gnusto.com> wrote:
> > Hi Nicolas, > > Nicolas Kalkhof writes: > > SNB GPU still hangs frequently with kernel patches next-20110620 > > raising "drm:i915_hangcheck_ring_idle *ERROR* Hangcheck timer > > elapsed... gen6 bsd ring idle". This happens when multiple > > applications (mplayer decoding vaapi stream and some openGL game) > > running at the same time. With either one running there is no > > stalling. Could someone please confirm the issue? > > > > /sys/module/i915/parameters/semaphores is set to 0 > > xf86-video-intel compiled with --enable-sna > > I haven't tried SNA, but I've seen GPU hangs as well (SNB 2600K). I've > found that disabling RC6 (enable_rc6=0) seems to help. Can you see if > that helps? > > [Note to self: submit a bug report] Please do; and please try to confirm that your GPU hangs are really rc6 related. RC6 provides a huge (multiple Watt) power savings, and we really want it to be robust. -- Jesse Barnes, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
