it happende to me too, black screen, then the gdm screen appeared, but the machine appeared to be frozen
Aug 31 11:14:05 ubu-win-desktop x-session-manager[3855]: WARNING: Detected that screensaver has left the bus Aug 31 11:14:05 ubu-win-desktop gdm[3128]: WARNING: gdm_slave_xioerror_handler: errore fatale di X. Riavvio di :0 in corso #italian for "fatal X error. Restarting :0 Aug 31 11:14:06 ubu-win-desktop acpid: client connected from 11654[0:0] Aug 31 11:14:07 ubu-win-desktop kernel: [ 3634.750992] agpgart-intel 0000:00:00.0: AGP 2.0 bridge Aug 31 11:14:07 ubu-win-desktop kernel: [ 3634.751014] agpgart-intel 0000:00:00.0: putting AGP V2 device into 4x mode Aug 31 11:14:07 ubu-win-desktop kernel: [ 3634.751052] pci 0000:01:00.0: putting AGP V2 device into 4x mode Aug 31 11:14:07 ubu-win-desktop kernel: [ 3634.964458] [drm] Setting GART location based on new memory map Aug 31 11:14:07 ubu-win-desktop kernel: [ 3634.964466] [drm] Loading R200 Microcode Aug 31 11:14:07 ubu-win-desktop kernel: [ 3634.964518] [drm] writeback test succeeded in 1 usecs Aug 31 11:14:11 ubu-win-desktop bonobo-activation-server (ubuntu-11675): could not associate with desktop session: Failed to connect to socket /tmp/dbus-HK4iG4eBEm: Connessione rifiutata #italian for "Connection refused" -- hang after "gnome-session[3305]: WARNING: Detected that screensaver has left the bus" https://bugs.launchpad.net/bugs/421879 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs