linux-kernel - Re: X "Hangs" with RS690 + 2.6.26

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Message-ID: <20080801160256.GV30002@earth.li>
Date:	Fri, 1 Aug 2008 17:02:56 +0100
From:	Jonathan McDowell <noodles@...th.li>
To:	dri-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: X "Hangs" with RS690 + 2.6.26

On Fri, Jul 25, 2008 at 11:10:07AM +0100, Dave Airlie wrote:
> > I've started to see "hangs" with X on an ATI RS690 with a 2.6.26 kernel.
> > The symptoms are that load average goes up, X stops accepting keypresses
> > or mouse clicks, but the cursor still moves around the screen in
> > response to the mouse being moved. I can't switch to a VT but can ssh in
> > remotely to see that things are still running. I don't seem to be able
> > to kill X but "shutdown -r now" cleanly reboots.
> > 
> > radeon driver is recent git - 1c5858484da4fb1c9bc3ac3b4d7a97863ab99730
> > but I've seen it with older revisions too.
> > 
> > It can take a couple of days for me to hit the problem, so a git bisect
> > could be a lengthy process. If anyone has any suggestions about faster
> > ways to track down the issue I'd like to hear them.
> 
> git log v2.6.25..v2.6.26 drivers/char/drm
> 
> 5e35eff13f7dd0f5c1d82b3b4708b2f7a5f44113
> 5cfb6956073a9e42d44a26790b7800980634d037

No joy.

> d396db321bcaec54345e7e9e87cea8482d6ae3a8

I thought this might be it; nearly 5 days of uptime rather than the
usual less than 2. But I got the same symptoms today so I'll continue
working down the list.

> 259434acccbc823ee8bc00b2d2689ccccd25e1fd
> d7463eb41d88a39de2653fd41857c4ccddb8707b
> 45e519052e8f583a709edd442a23f59581d3fe42
> 2735977b12cb0f113aae24afff04747b6d0f5bf1
> 3722bfc607d46275369865c02fe8694486d640b5
> fa0d71b967506031f7cb08ced6095d1c4f988594
> 9f18409ea3d778a171a9505c0a849d846f352bd0

J.

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