Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756494Ab1DMOQA (ORCPT ); Wed, 13 Apr 2011 10:16:00 -0400 Received: from darkcity.gna.ch ([195.226.6.51]:47110 "EHLO mail.gna.ch" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755952Ab1DMOP6 convert rfc822-to-8bit (ORCPT ); Wed, 13 Apr 2011 10:15:58 -0400 Subject: Re: Revert 737a3bb9416ce2a7c7a4170852473a4fcc9c67e8 ? From: Michel =?ISO-8859-1?Q?D=E4nzer?= To: Gabriel Paubert Cc: dri-devel@lists.freedesktop.org, Dave Airlie , Greg KH , linuxppc-dev@lists.ozlabs.org, LKML , Uwe =?ISO-8859-1?Q?Kleine-K=F6nig?= Date: Wed, 13 Apr 2011 16:15:24 +0200 In-Reply-To: <20110413122751.GA21050@iram.es> References: <20110406204327.GA11148@iram.es> <1302185075.24704.143.camel@thor.local> <20110411133128.GA24344@iram.es> <1302535963.24704.268.camel@thor.local> <20110412113033.GA16649@iram.es> <1302608770.27054.36.camel@thor.local> <20110412120055.GA7995@iram.es> <1302629362.15520.25.camel@thor.local> <20110413075943.GA27996@iram.es> <1302696736.15520.63.camel@thor.local> <20110413122751.GA21050@iram.es> Face: 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 jycPrvgA R1goSzOnkp14YCYHsp7QJHAS5QcXDqG1jBxdSITVgBNkBTFloj88Q/gMkFcuItYiQPUCBGc2xh5drsD/wGZrgsgDOE4ZAAAAABJRU5ErkJggg== Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Mailer: Evolution 3.0.0- Message-ID: <1302704124.15520.72.camel@thor.local> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1944 Lines: 41 On Mit, 2011-04-13 at 14:27 +0200, Gabriel Paubert wrote: > On Wed, Apr 13, 2011 at 02:12:16PM +0200, Michel Dänzer wrote: > > On Mit, 2011-04-13 at 09:59 +0200, Gabriel Paubert wrote: > > > On Tue, Apr 12, 2011 at 07:29:22PM +0200, Michel Dänzer wrote: > > > > On Die, 2011-04-12 at 14:00 +0200, Gabriel Paubert wrote: > > > > > On Tue, Apr 12, 2011 at 01:46:10PM +0200, Michel Dänzer wrote: > > > > > > > > > > > > > > With no_wb=1 the driver goes a bit further but the X server ends > > > > > > > up in an infinite ioctl loop and the logs are: > > > > > > > > > > > > Which ioctl does it loop on? Please provide the Xorg.0.log file as well. > > > > > > > > > > From memory, the code was 0x64, which is DRM_RADEON_GEM_WAIT_IDLE. > > > > > > > > Note that it's normal for this ioctl to be called every time before the > > > > GPU accessible pixmap memory is accessed by the CPU. Unless the ioctl > > > > always returns an error, this may not indicate a problem on its own. > > > > > > It seems to be an infinite loop, always returning EINTR because > > > of regular SIGALRM delivery. > > > > That does sound like the GPU locks up. Do you get any messages in dmesg > > about lockups and attempts to reset the GPU at any time? > > No. Hmm, I guess the constant SIGALRMs might prevent the lockup detection from kicking in... Maybe you can try starting the X server with -dumbSched to see if that gets things along any further, but in the end there's probably no way around figuring out what causes the lockup and fixing that anyway. -- Earthling Michel Dänzer | http://www.vmware.com Libre software enthusiast | Debian, X and DRI developer -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/