[Bug 15096] X freezes when using Compiz (or other 3D apps) with xserver-xorg-video-ati >1:6.6.3

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=15096





--- Comment #4 from Bryce Harrington <bryce at bryceharrington.org>  2008-04-17 16:22:30 PST ---
I talked with Alex at XDC2008 yesterday about this.  He felt it was due to
wrongly guessed registered back before the AMD documentation releases, that can
now be fixed up by redoing those mappings; this is work he plans to undertake
within the next 3-6 months.

Backtrace (while running Bubble3D screensaver): 
http://launchpadlibrarian.net/12894430/backtrace-bubble3d

Backtrace (while running Extreme Tuxracer game): 
http://launchpadlibrarian.net/12895009/backtrace-etracer  The music continues
playing, but the X screens are frozen

Backtraces (without full symbols):
* http://launchpadlibrarian.net/12863959/backtrace2
* http://launchpadlibrarian.net/12177917/Xorg-lockup.txt
* http://launchpadlibrarian.net/12172793/gdb

Sample Xorg.0.log's:
* http://launchpadlibrarian.net/12433344/Xorg.0.log
* http://launchpadlibrarian.net/12172839/Xorg.0.log

Workarounds (not widely verified):
* Option "AGPMode" "1" - but hinders performance


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