By the process of elimination, I've determined that the bug is in binary package libxatracker2 (source package mesa). If I apt-mark hold that binary package and dist-upgrade everything else, all is good. If I then upgrade that package, I end up with broken OpenGL support.
Last known good version: 10.0.0-1ubuntu4 Bad version: 10.0.1-1ubuntu2 ** Summary changed: - X server regression on VMware Fusion with OpenGL 2.1 enabled + libxatracker2 causes OpenGL 2.1 support regression on VMware Fusion -- 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/1265406 Title: libxatracker2 causes OpenGL 2.1 support regression on VMware Fusion To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/1265406/+subscriptions _______________________________________________ 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
