Purging -nouveau and letting X use -nv instead fixed it. Re-installing -nouveauand checking the X log revealed that AIGLX libraries nouveau_vieux_dir.so cannot be found at the expected path. Could this be the cause?
** Package changed: gdm (Ubuntu) => xserver-xorg-video-nouveau (Ubuntu) ** Changed in: xserver-xorg-video-nouveau (Ubuntu) Importance: Undecided => Medium ** Changed in: xserver-xorg-video-nouveau (Ubuntu) Importance: Medium => High -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/886833 Title: xf86-video-nouveau: breaks GTK2 pixmap support To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/886833/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

