i have the same problem but with World of Warcraft (wine) and kwin running i think the bug occures when two application are use the GPU.
my /var/log/kdm.log is: X.Org X Server 1.10.1 Release Date: 2011-04-15 X Protocol Version 11, Revision 0 Build Operating System: Linux 2.6.24-29-server x86_64 Ubuntu Current Operating System: Linux amados 2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:24 UTC 2011 x86_64 Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=81f350bc-b97c-4df1-bd03-bbd41e606dac ro quiet splash vt.handoff=7 Build Date: 19 April 2011 03:40:45PM xorg-server 2:1.10.1-1ubuntu1 (For technical support please see http://www.ubuntu.com/support) Current version of pixman: 0.20.2 Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. (==) Log file: "/var/log/Xorg.0.log", Time: Sat Apr 23 21:25:34 2011 (==) Using config file: "/etc/X11/xorg.conf" (==) Using system config directory "/usr/share/X11/xorg.conf.d" (EE) Failed to load module "nv" (module does not exist, 0) klauncher(1123) kdemain: No DBUS session-bus found. Check if you have started the DBUS server. kdeinit4: Communication error with launcher. Exiting! kdmgreet(1090)/kdecore (K*TimeZone*): KSystemTimeZones: ktimezoned initialize() D-Bus call failed: "Not connected to D-Bus server" QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: Datei oder Verzeichnis nicht gefunden QFileSystemWatcher: failed to add paths: /tmp/1206659161/.config/ibus/bus [mi] EQ overflowing. The server is probably stuck in an infinite loop. Backtrace: 0: /usr/bin/X (xorg_backtrace+0x26) [0x4a2626] 1: /usr/bin/X (mieqEnqueue+0x1f4) [0x4a18e4] 2: /usr/bin/X (xf86PostMotionEventM+0x97) [0x47d767] 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7fe3d9ee1000+0x5ff3) [0x7fe3d9ee6ff3] 4: /usr/lib/xorg/modules/input/evdev_drv.so (0x7fe3d9ee1000+0x668d) [0x7fe3d9ee768d] 5: /usr/bin/X (0x400000+0x6c657) [0x46c657] 6: /usr/bin/X (0x400000+0x124bbe) [0x524bbe] 7: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fe3e0ca1000+0xfc60) [0x7fe3e0cb0c60] 8: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fe3e0ca1000+0xffff801c1e95f17b) [0xffffffffff60017b] [mi] EQ overflowing. The server is probably stuck in an infinite loop. Backtrace: 0: /usr/bin/X (xorg_backtrace+0x26) [0x4a2626] 1: /usr/bin/X (mieqEnqueue+0x1f4) [0x4a18e4] 2: /usr/bin/X (xf86PostMotionEventM+0x97) [0x47d767] 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7fe3d9ee1000+0x5ff3) [0x7fe3d9ee6ff3] 4: /usr/lib/xorg/modules/input/evdev_drv.so (0x7fe3d9ee1000+0x668d) [0x7fe3d9ee768d] 5: /usr/bin/X (0x400000+0x6c657) [0x46c657] 6: /usr/bin/X (0x400000+0x124bbe) [0x524bbe] 7: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fe3e0ca1000+0xfc60) [0x7fe3e0cb0c60] 8: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7fe3db3ce000+0x768dd) [0x7fe3db4448dd] 9: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7fe3db3ce000+0x78520) [0x7fe3db446520] 10: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7fe3db3ce000+0x77105) [0x7fe3db445105] 11: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7fe3db3ce000+0xdecc2) [0x7fe3db4accc2] 12: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7fe3db3ce000+0xcdc2d) [0x7fe3db49bc2d] 13: /usr/lib/xorg/extra-modules/nvidia_drv.so (0x7fe3db3ce000+0x4581ca) [0x7fe3db8261ca] 14: /usr/bin/X (0x400000+0xdc1b5) [0x4dc1b5] 15: /usr/bin/X (0x400000+0xd5638) [0x4d5638] 16: /usr/bin/X (0x400000+0x2e2a9) [0x42e2a9] 17: /usr/bin/X (0x400000+0x21a7e) [0x421a7e] 18: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xff) [0x7fe3dfbeaeff] 19: /usr/bin/X (0x400000+0x21629) [0x421629] -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers in Ubuntu. https://bugs.launchpad.net/bugs/718858 Title: GPU hang using GL on x86_64 _______________________________________________ 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
