Seeing this with a fresh 12.04.4 64-bit installation using ATI graphics. Seems to be triggered by "changing user" and it frequently breaks VM operations. Typical syslog entry looks like this:
Apr 29 14:26:59 john-desktop rtkit-daemon[2183]: Successfully made thread 23506 of process 23506 (n/a) owned by '104' high priority at nice level -11. Apr 29 14:26:59 john-desktop rtkit-daemon[2183]: Supervising 13 threads of 4 processes of 3 users. Apr 29 14:26:59 john-desktop pulseaudio[23506]: [pulseaudio] pid.c: Daemon already running. Apr 29 14:27:10 john-desktop acpid: client 3479[0:0] has disconnected Apr 29 14:27:10 john-desktop acpid: client 23354[0:0] has disconnected Apr 29 14:27:10 john-desktop acpid: client connected from 12940[0:0] Apr 29 14:27:10 john-desktop acpid: 1 client rule loaded Apr 29 14:27:10 john-desktop gnome-session[13151]: Gdk-WARNING: gnome-session: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.#012 Apr 29 14:27:10 john-desktop acpid: client 12940[0:0] has disconnected Apr 29 14:27:10 john-desktop acpid: client connected from 23546[0:0] Apr 29 14:27:10 john-desktop acpid: 1 client rule loaded Apr 29 14:27:20 john-desktop rtkit-daemon[2183]: Successfully made thread 23810 of process 23810 (n/a) owned by '1001' high priority at nice level -11. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/999191 Title: 10de:0421 X crashes with gnome-session: Fatal IO error 11 To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/999191/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
