From mboxrd@z Thu Jan 1 00:00:00 1970 From: Markus Trippelsdorf Subject: Re: GPU lockup CP stall for more than 10000msec on latest vanilla git Date: Sun, 23 Dec 2012 09:43:14 +0100 Message-ID: <20121223084314.GA229@x4> References: <20121217182752.GA351@x4> <20121217214819.GA228@x4> <20121217222519.GA229@x4> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail.ud10.udmedia.de (ud10.udmedia.de [194.117.254.50]) by gabe.freedesktop.org (Postfix) with ESMTP id CBF23E5DB1 for ; Sun, 23 Dec 2012 00:43:17 -0800 (PST) Content-Disposition: inline In-Reply-To: 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: Alex Deucher Cc: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org On 2012.12.22 at 20:46 -0500, Alex Deucher wrote: > On Mon, Dec 17, 2012 at 5:25 PM, 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_part_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=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=2d6cc7296d4ee128ab0fa3b715f0afde511f49c2 > > > > Yes, the commit above causes the issue. > > > > Does booting with radeon.wb=0 fix the issue? Please make sure your > kernel has this patch: > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=86a1881d08f65a42c17071a59c0088dbe2870246 My kernel has this patch and radeon.wb=0 doesn't help. It still freezes the machine as soon as you scroll on a website with many big images. -- Markus