http://bugs.freedesktop.org/show_bug.cgi?id=10809





------- Comment #7 from [EMAIL PROTECTED]  2007-07-26 16:58 PST -------
Hardware: Dell Inspiron 510m laptop, 512mb RAM
Chipset: 00:02.0 VGA compatible controller: Intel Corporation 82852/855GM
Integrated Graphics Device (rev 02)
Software: Ubuntu Gutsy, xserver-xorg-core 2:1.3.0.0.dfsg-6ubuntu2,
xserver-xorg-video-intel 2:2.1.0-1ubuntu1, libgl1-mesa-dri 7.0.0-0ubuntu2

I can confirm the same behaviour as Raul, and I too suspect it's a Mesa issue,
directly or indirectly. Additionally, there is a way to make this freeze 100%
reproducible:

Case a)
1. Start GDM/KDM session without running compiz (or other 3D applications)
2. Restart X by logging out or pressing Ctrl+Alt+Backspace

Case b)
1. Start session and enable compiz.
2. Restart X (with or without stopping compiz beforehand, it doesn't matter)

Results

Using the 2.1.0 (intel) driver:
Case a) will crash approximately 30% of the time, and with each successive X 
restart the chances of a crash exponentially rise. Case b) crashes reproducibly
100% of the time.

Using the 1.7.4 (i810) driver:
Neither case causes a crash.

Perhaps this is related to my other bug #11432, in which X crashes 100%
reproducibly when pressing the laptop lid switch (and I've isolated the commit
that introduced the regression since driver 1.7.4, details are in that bug
report).


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