Comment 59 for bug 195051

Okay thanks. If you get feeling ambitious, a next step would be to
build and test the current git head of the -ati driver. If it works
properly there, then perhaps there is another patch we could pull in.

Bryce

On Wed, Apr 23, 2008 at 04:40:42PM -0000, Nick Bauermeister wrote:
> Bryce, I just installed your packege(s) and tried 'etracer' ("extreme
> tux racer", see above) after a reboot. Sadly, it froze immediately like
> before.
>
> I don't have the time to do a backtrace right now, because I have to
> got. Maybe tomorrow.
>
> --
> X freezes in drmCommandWrite() when Compiz is enabled on ATI Radeon Mobility 9600
> https://bugs.launchpad.net/bugs/195051
> You received this bug notification because you are a member of Ubuntu-X,
> which is subscribed to xserver-xorg-video-ati in ubuntu.
>
> Status in X.org XServer - ATI gfx chipset driver: Confirmed
> Status in Source Package "compiz" in Ubuntu: Invalid
> Status in Source Package "xserver-xorg-video-ati" in Ubuntu: Triaged
>
> Bug description:
> Binary package hint: xserver-xorg-video-ati
>
> I'm starting this new report on behalf of what Bryce Harrington said here: https://bugs.edge.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/108527/comments/143
>
> OK, first things first:
>
> What happens?
> X freezes on my Thinkpad T42 with an ATI Radeon Mobility 9600 when running Compiz.
> There are no problems at all when Compiz is disabled.
> This problem started with Gutsy and persists with an up-to-date version of Hardy Alpha5
>
> Also: I have a Radeon 9600XT on my main machine which has no problems whatsoever with running Compiz on Gutsy ??? that's why I think this is a problem with Mobility chips.
>
> What are the symptoms?
> I can run Ubuntu with Compiz fine for some minutes. Then all of a sudden the fan kicks in and X just freezes.
>
> What works?
> Only the movement of the mouse cursor.
> Restarting the system via SysRq REISUB
>
> What does not work?
> Everything else. I can't even restart X via [Ctrl]+[Alt]+[Backspace] or log into a console via [Ctrl]+[Alt]+[F1]
>
>
> Infos.
> I followed the steps in https://wiki.ubuntu.com/DebuggingXorg so I'm adding that output here.
> X froze prior to the backtrace.
>
> I'm also attaching Xorg.0.log, Xorg.0.log.old and the output of lspci -vvnn _right after the crash_ (recieved via ssh) as well as the xorg.conf
>
> [Note]
> For anyone else seeing freezes, please collect a backtrace and check if you are also failing in drmCommandWrite(). If not, you may be seeing an unrelated issue, so please file a separate bug. -- bryce