I've installed the new mesa packages from xorg-edgers but got a similar crash. Unfortunately, even with the -dbg packages installed i still wasn't able to get correct line numbers.
For reference, here is what i have installed: dba...@thinkpad:~$ apt-cache policy libgl1-mesa-dri libgl1-mesa-dri-dbg libgl1-mesa-glx libgl1-mesa-glx: Installed: 7.10.0+git20110104.90b7a4cc-0ubuntu0sarvatt2 Candidate: 7.10.0+git20110104.90b7a4cc-0ubuntu0sarvatt2 Version table: *** 7.10.0+git20110104.90b7a4cc-0ubuntu0sarvatt2 0 500 http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu/ natty/main i386 Packages 100 /var/lib/dpkg/status 7.9+repack-1ubuntu3 0 500 http://archive.ubuntu.com/ubuntu/ natty/main i386 Packages libgl1-mesa-dri: Installed: 7.10.0+git20110104.90b7a4cc-0ubuntu0sarvatt2 Candidate: 7.10.0+git20110104.90b7a4cc-0ubuntu0sarvatt2 Version table: *** 7.10.0+git20110104.90b7a4cc-0ubuntu0sarvatt2 0 500 http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu/ natty/main i386 Packages 100 /var/lib/dpkg/status 7.9+repack-1ubuntu3 0 500 http://archive.ubuntu.com/ubuntu/ natty/main i386 Packages libgl1-mesa-dri-dbg: Installed: 7.10.0+git20110104.90b7a4cc-0ubuntu0sarvatt2 Candidate: 7.10.0+git20110104.90b7a4cc-0ubuntu0sarvatt2 Version table: *** 7.10.0+git20110104.90b7a4cc-0ubuntu0sarvatt2 0 500 http://ppa.launchpad.net/xorg-edgers/ppa/ubuntu/ natty/main i386 Packages 100 /var/lib/dpkg/status 7.9+repack-1ubuntu3 0 500 http://archive.ubuntu.com/ubuntu/ natty/main i386 Packages -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in ubuntu. https://bugs.launchpad.net/bugs/691653 Title: compiz crashes when using alt-tab (the radeon driver kills it) _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp