Public bug reported:
Binary package hint: unity
Unity is a guess --- maybe it's compiz. Never happened before (I was using
traditional in Maverick). Happened three time to me.
When doing seemingly unrelated things (this time was using the alt+tab task
switcher), the session dies and put me back on login (fortunately both
LibreOffice and Evolution where able to save the work-in-progress).
The report on /var/log/Xorg.0.log.old:
Backtrace:
[ 9279.291] 0: /usr/bin/X (xorg_backtrace+0x3b) [0x80ef31b]
[ 9279.291] 1: /usr/bin/X (0x8048000+0x5d00d) [0x80a500d]
[ 9279.291] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0xf6440c]
[ 9279.291] 3: /usr/bin/X (FreeClientResources+0xed) [0x80655ad]
[ 9279.292] 4: /usr/bin/X (FreeAllResources+0x60) [0x8065680]
[ 9279.292] 5: /usr/bin/X (0x8048000+0x1a606) [0x8062606]
[ 9279.292] 6: /lib/libc.so.6 (__libc_start_main+0xe7) [0x1edce7]
[ 9279.292] 7: /usr/bin/X (0x8048000+0x1a1b1) [0x80621b1]
[ 9279.292] Segmentation fault at address 0x3
[ 9279.292]
Caught signal 11 (Segmentation fault). Server aborting
[ 9279.292]
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[ 9279.292] Please also check the log file at "/var/log/Xorg.1.log" for
additional information.
[ 9279.292]
[ 9279.540] (II) Power Button: Close
[ 9279.540] (II) UnloadModule: "evdev"
[ 9279.564] (II) Video Bus: Close
[ 9279.564] (II) UnloadModule: "evdev"
[ 9279.585] (II) Power Button: Close
[ 9279.585] (II) UnloadModule: "evdev"
[ 9279.609] (II) Sleep Button: Close
[ 9279.609] (II) UnloadModule: "evdev"
[ 9279.633] (II) USB2.0 UVC VGA WebCam: Close
[ 9279.633] (II) UnloadModule: "evdev"
[ 9279.653] (II) Eee PC WMI hotkeys: Close
[ 9279.653] (II) UnloadModule: "evdev"
[ 9279.761] (II) UnloadModule: "synaptics"
[ 9279.773] (II) USB Optical Mouse: Close
[ 9279.773] (II) UnloadModule: "evdev"
[ 9279.791] (II) AIGLX: Suspending AIGLX clients for VT switch
[ 9279.844] ddxSigGiveUp: Closing log
same info in Xorg.1.log.
** Affects: unity (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/793101
Title:
Unity crashes with X segfault in Natty
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