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

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Date:	Sun, 10 Aug 2008 17:25:55 -0300 (BRST)
From:	Frédéric L. W. Meunier <2@...validus.net>
To:	Jonathan McDowell <noodles@...th.li>
cc:	dri-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: X "Hangs" with RS690 + 2.6.26

On Sun, 10 Aug 2008, Jonathan McDowell wrote:

> On Sat, Aug 09, 2008 at 05:47:42AM -0300, Frédéric L. W. Meunier wrote:
>> On Fri, 1 Aug 2008, Jonathan McDowell wrote:
>>> 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
>>
>> Any joy ?
>
> 259434acccbc823ee8bc00b2d2689ccccd25e1fd
> d7463eb41d88a39de2653fd41857c4ccddb8707b
> 45e519052e8f583a709edd442a23f59581d3fe42
>
> all don't seem to be the problem. It's getting harder to do the reverts
> and I'm away this week so I haven't got any further yet.
>
>> I apparently have the same problem with my RS690. I noticed it after
>> upgrading from 2.6.25 to 2.6.26, alongside xorg-server (1.4.99.904 to
>> 1.4.99.905) and Mesa (7.1-rc1 to 7.1-rc3). The ATI driver is 6.9.0.
>>
>> Here it always freezes in a few minutes or less than an hour.  When it
>> happens, I'm not running any 3D application and the CPU is idle. I may
>> be just typing something in a shell. But it works disabling DRI.
>
> Likewise, I'm not doing anything 3D related (at least, not consciously).

BTW, I forgot to mention that. Here the motherboard is a
Gigabyte GA-MA69VM-S2. When it happens and I use SysRq to
reboot, it doesn't post in the BIOS screen. I have to press
reset.