Hi Jesse, thanks for the infiormation. I've switched rc6 off by echo 0 > /sys/module/i915/parameters/i915_enable_rc6 this should do it, right? cat /sys/module/i915/parameters/i915_enable_rc6 yields "0"
Are you referring to this patch? https://lkml.org/lkml/2011/6/17/371 It should be included in kernel 3.0-rc4 and didn't help here :( regards nico -----Ursprüngliche Nachricht----- Von: "Jesse Barnes" <jbar...@virtuousgeek.org> Gesendet: Jun 21, 2011 6:06:17 PM An: "Nicolas Kalkhof" <nkalk...@web.de>, intel-gfx@lists.freedesktop.org Betreff: Re: [Intel-gfx] gen6 (SNB) GPU still stalling besides latest patches >It's i915.i915_enable_rc6=0 for extra added redundancy. You might also >try Daniel Blueman's IRQ fix. > >Jesse > >On Tue, 21 Jun 2011 07:57:13 +0200 (CEST) >"Nicolas Kalkhof" <nkalk...@web.de> wrote: > >> Hi Folks, ok, I'll give it a try this evening. Just one more thing: Should I >> pass enable_rc6 as a boot parameter like this: "i915.enable_rc6=0" or is it >> set by echoing sysfs (/sys/module/i915/parameters/...)? regards, nico >> >> >> -----Ursprüngliche Nachricht----- >> Von: "Jesse Barnes" <jbar...@virtuousgeek.org> >> Gesendet: Jun 21, 2011 2:19:29 AM >> An: "Ted Phelps" <phe...@gnusto.com> >> Betreff: Re: [Intel-gfx] gen6 (SNB) GPU still stalling besides latest patches >> >> >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 >> >> >> ___________________________________________________________ >> Schon gehört? WEB.DE hat einen genialen Phishing-Filter in die >> Toolbar eingebaut! http://produkte.web.de/go/toolbar >> > > >-- >Jesse Barnes, Intel Open Source Technology Center ___________________________________________________________ Schon gehört? WEB.DE hat einen genialen Phishing-Filter in die Toolbar eingebaut! http://produkte.web.de/go/toolbar _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
