From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michel =?ISO-8859-1?Q?D=E4nzer?= Subject: Re: GPU lockup CP stall for more than 10000msec on latest vanilla git Date: Tue, 18 Dec 2012 12:20:32 +0100 Message-ID: <1355829632.17142.59.camel@thor.local> References: <20121217182752.GA351@x4> <20121217214819.GA228@x4> <20121217222519.GA229@x4> <20121217225534.GA219@x4> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Received: from mail.gna.ch (darkcity.gna.ch [195.226.6.51]) by gabe.freedesktop.org (Postfix) with ESMTP id 07FEFE6232 for ; Tue, 18 Dec 2012 03:20:48 -0800 (PST) In-Reply-To: <20121217225534.GA219@x4> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: Markus Trippelsdorf Cc: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org On Mon, 2012-12-17 at 23:55 +0100, Markus Trippelsdorf wrote: = > On 2012.12.17 at 23:25 +0100, Markus Trippelsdorf wrote: > > On 2012.12.17 at 17:00 -0500, Alex Deucher wrote: > > > On Mon, Dec 17, 2012 at 4:48 PM, Markus Trippelsdorf > > > wrote: > > > > On 2012.12.17 at 16:32 -0500, Alex Deucher wrote: > > > >> On Mon, Dec 17, 2012 at 1:27 PM, Markus Trippelsdorf > > > >> wrote: > > > >> > As soon as I open the following website: > > > >> > http://www.boston.com/bigpicture/2012/12/2012_year_in_pictures_p= art_i.html > > > >> > > > > >> > my Radeon RS780 stalls (GPU lockup) leaving the machine unusable: > > > >> > > > >> Is this a regression? Most likely a 3D driver bug unless you are = only > > > >> seeing it with specific kernels. What browser are you using and do > > > >> you have hw accelerated webgl, etc. enabled? If so, what version = of > > > >> mesa are you using? > > > > > > > > This is a regression, because it is caused by yesterdays merge of > > > > drm-next by Linus. IOW I only see this bug when running a > > > > v3.7-9432-g9360b53 kernel. > > > = > > > Can you bisect? I'm guessing it may be related to the new DMA rings.= Possibly: > > > http://git.kernel.org/?p=3Dlinux/kernel/git/torvalds/linux.git;a=3Dco= mmitdiff;h=3D2d6cc7296d4ee128ab0fa3b715f0afde511f49c2 > > = > > Yes, the commit above causes the issue. = > > = > > 2d6cc72 GPU lockups > = > With 2d6cc72 reverted I get: > = > Dec 17 23:09:35 x4 kernel: ------------[ cut here ]------------ Probably a separate issue, can you bisect this one as well? -- = Earthling Michel D=E4nzer | http://www.amd.com Libre software enthusiast | Debian, X and DRI developer