Looking at XorgLogOld.txt, this clearly seems to be an X server segfault: Backtrace: [ 12377.329] 0: /usr/bin/X (xorg_backtrace+0x26) [0x460566] [ 12377.329] 1: /usr/bin/X (0x400000+0x64b6a) [0x464b6a] [ 12377.329] 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f2845f51000+0x10060) [0x7f2845f61060] [ 12377.329] 3: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f283f5a4000+0x6ee9) [0x7f283f5aaee9] [ 12377.329] 4: /usr/bin/X (WakeupHandler+0x5b) [0x433a6b] [ 12377.329] 5: /usr/bin/X (WaitForSomething+0x1b6) [0x45e016] [ 12377.329] 6: /usr/bin/X (0x400000+0x2f912) [0x42f912] [ 12377.329] 7: /usr/bin/X (0x400000+0x232fe) [0x4232fe] [ 12377.329] 8: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xed) [0x7f2844e7a30d] [ 12377.329] 9: /usr/bin/X (0x400000+0x235ed) [0x4235ed] [ 12377.329] Segmentation fault at address (nil) [ 12377.329] Caught signal 11 (Segmentation fault). Server aborting [ 12377.329] Please consult the The X.Org Foundation support at http://wiki.x.org for help. [ 12377.329] Please also check the log file at "/var/log/Xorg.0.log" for additional information.
** Package changed: unity (Ubuntu) => xorg (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/916793 Title: automatically session logout- without user confirmation/introduction To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/916793/+subscriptions _______________________________________________ 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