Thanks for your report. This looks like a X segfault: [ 1061.200] 0: /usr/bin/X (xorg_backtrace+0x3b) [0x80eab2b] [ 1061.200] 1: /usr/bin/X (0x8048000+0x5fad8) [0x80a7ad8] [ 1061.200] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0x11940c] [ 1061.200] 3: /usr/bin/X (_CallCallbacks+0x3e) [0x8074e1e] [ 1061.200] 4: /usr/bin/X (WriteToClient+0x267) [0x80a7617] [ 1061.200] 5: /usr/lib/xorg/modules/extensions/libdri2.so (ProcDRI2WaitMSCReply+0x62) [0x1cdbf2] [ 1061.200] 6: /usr/lib/xorg/modules/extensions/libdri2.so (DRI2WaitMSCComplete+0x75) [0x1cbfc5] [ 1061.227] 7: /usr/lib/xorg/modules/drivers/intel_drv.so (0x26e000+0x226bc) [0x2906bc] [ 1061.227] 8: /usr/lib/xorg/modules/drivers/intel_drv.so (0x26e000+0x87d2) [0x2767d2] [ 1061.227] 9: /lib/i386-linux-gnu/libdrm.so.2 (drmHandleEvent+0xf5) [0x1c7665] [ 1061.227] 10: /usr/lib/xorg/modules/drivers/intel_drv.so (0x26e000+0x7937) [0x275937] [ 1061.227] 11: /usr/bin/X (WakeupHandler+0x52) [0x8074602] [ 1061.227] 12: /usr/bin/X (WaitForSomething+0x1ba) [0x80a1f4a] [ 1061.227] 13: /usr/bin/X (0x8048000+0x27f1e) [0x806ff1e] [ 1061.227] 14: /usr/bin/X (0x8048000+0x1a81c) [0x806281c] [ 1061.227] 15: /lib/i386-linux-gnu/libc.so.6 (__libc_start_main+0xe7) [0x5ace37] [ 1061.227] 16: /usr/bin/X (0x8048000+0x1a411) [0x8062411] [ 1061.227] Segmentation fault at address 0xb6b7a008 [ 1061.227] Caught signal 11 (Segmentation fault). Server aborting
Could you provide a full backtrace following the instructions at https://wiki.ubuntu.com/X/Backtracing ? ** Changed in: xorg (Ubuntu) Importance: Undecided => Medium ** Changed in: xorg (Ubuntu) Status: Triaged => Incomplete -- 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/788508 Title: Machine randomly reboots for no reason _______________________________________________ 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
