From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gabriel Paubert Subject: Re: Revert 737a3bb9416ce2a7c7a4170852473a4fcc9c67e8 ? Date: Wed, 13 Apr 2011 09:59:43 +0200 Message-ID: <20110413075943.GA27996@iram.es> References: <20110406084101.GB13963@pengutronix.de> <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> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <1302629362.15520.25.camel@thor.local> Sender: linux-kernel-owner@vger.kernel.org To: Michel =?iso-8859-1?Q?D=E4nzer?= Cc: dri-devel@lists.freedesktop.org, Dave Airlie , Greg KH , linuxppc-dev@lists.ozlabs.org, LKML , Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= List-Id: dri-devel@lists.freedesktop.org On Tue, Apr 12, 2011 at 07:29:22PM +0200, Michel D=E4nzer wrote: > On Die, 2011-04-12 at 14:00 +0200, Gabriel Paubert wrote: > > On Tue, Apr 12, 2011 at 01:46:10PM +0200, Michel D=E4nzer wrote: > > > >=20 > > > > With no_wb=3D1 the driver goes a bit further but the X server e= nds > > > > up in an infinite ioctl loop and the logs are:=20 > > >=20 > > > Which ioctl does it loop on? Please provide the Xorg.0.log file a= s well. > >=20 > > From memory, the code was 0x64, which is DRM_RADEON_GEM_WAIT_IDLE. >=20 > Note that it's normal for this ioctl to be called every time before t= he > 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.=20 It seems to be an infinite loop, always returning EINTR because of regular SIGALRM delivery. >=20 >=20 > > The Xorg.0.log from the previous boot is attached. >=20 > I don't see any obvious problems in it. Can you describe the symptoms= of > the problem you're having with X a bit more? Well, X is dead, or rather in an infinite ioctl loop as described abov= e. IIRC, the display enters a power-down mode and there is nothing to see. >=20 > One thing I notice is that the X server/driver are rather oldish. May= be > you can try newer versions from testing, sid or even experimental to = see > if that makes any difference. I lack time to do it until early May (being away for 2 weeks starting o= n=20 =46riday and busy on urgent things). I'm indeed Debian stable (Squeeze)= , which is rather recent and the machine is about 2 1/2 years old. Gabriel