From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: gen6 (SNB) GPU still stalling besides latest patches Date: Tue, 21 Jun 2011 09:06:17 -0700 Message-ID: <20110621090617.16f28c6e@jbarnes-desktop> References: <935206610.2954520.1308635833489.JavaMail.fmail@mwmweb001> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Received: from oproxy4-pub.bluehost.com (oproxy4-pub.bluehost.com [69.89.21.11]) by gabe.freedesktop.org (Postfix) with SMTP id 1DBE09E9CD for ; Tue, 21 Jun 2011 09:06:25 -0700 (PDT) In-Reply-To: <935206610.2954520.1308635833489.JavaMail.fmail@mwmweb001> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Nicolas Kalkhof , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org It's i915.i915_enable_rc6=3D0 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" wrote: > Hi Folks, ok, I'll give it a try this evening. Just one more thing: Shoul= d I pass enable_rc6 as a boot parameter like this: "i915.enable_rc6=3D0" or= is it set by echoing sysfs (/sys/module/i915/parameters/...)? regards, nico > = > = > -----Urspr=FCngliche Nachricht----- > Von: "Jesse Barnes" > Gesendet: Jun 21, 2011 2:19:29 AM > An: "Ted Phelps" > Betreff: Re: [Intel-gfx] gen6 (SNB) GPU still stalling besides latest pat= ches > = > >On Tue, 21 Jun 2011 10:01:35 +1000 > >Ted Phelps 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=3D0) 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 geh=F6rt? WEB.DE hat einen genialen Phishing-Filter in die > Toolbar eingebaut! http://produkte.web.de/go/toolbar > = -- = Jesse Barnes, Intel Open Source Technology Center