It seems not to happen with every intel driver (tried 3 different). One that has the problem (from Xorg.0.old)
[798867.975] (II) intel(0): Integrated Graphics Chipset: Intel(R) G33 [798867.975] (--) intel(0): Chipset: "G33" ... Backtrace: [861889.898] 0: /usr/bin/X (xorg_backtrace+0x37) [0x80a66f7] [861889.898] 1: /usr/bin/X (0x8048000+0x62b3a) [0x80aab3a] [861889.898] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0x6ab40c] [861889.898] 3: /lib/i386-linux-gnu/libc.so.6 (0x110000+0x117771) [0x227771] [861889.898] 4: /usr/lib/xorg/modules/drivers/intel_drv.so (0x9d3000+0xe85c) [0x9e185c] [861889.898] 5: /usr/lib/xorg/modules/drivers/intel_drv.so (0x9d3000+0x1066c) [0x9e366c] [861889.898] 6: /usr/lib/xorg/modules/drivers/intel_drv.so (0x9d3000+0x2e8ea) [0xa018ea] [861889.898] 7: /usr/bin/X (CompositeTrapezoids+0xb5) [0x8120385] [861889.898] 8: /usr/bin/X (0x8048000+0xde2e8) [0x81262e8] [861889.898] 9: /usr/bin/X (0x8048000+0xd8901) [0x8120901] [861889.898] 10: /usr/bin/X (0x8048000+0x2a117) [0x8072117] [861889.898] 11: /usr/bin/X (0x8048000+0x1c70c) [0x806470c] [861889.898] 12: /lib/i386-linux-gnu/libc.so.6 (__libc_start_main+0xf3) [0x129113] [861889.898] 13: /usr/bin/X (0x8048000+0x1ca21) [0x8064a21] [861889.898] Bus error at address 0x962dd008 [861889.898] Caught signal 7 (Bus error). Server aborting [861889.898] Please consult the The X.Org Foundation support at http://wiki.x.org for help. [861889.898] Please also check the log file at "/var/log/Xorg.0.log" for additional information. [861889.898] [861889.931] (II) Power Button: Close [861889.931] (II) UnloadModule: "evdev" [861889.931] (II) Unloading evdev [861889.931] (II) Power Button: Close [861889.932] (II) UnloadModule: "evdev" [861889.932] (II) Unloading evdev [861889.932] (II) UVC Camera (046d:0802): Close [861889.932] (II) UnloadModule: "evdev" [861889.932] (II) Unloading evdev [861889.936] (II) AT Translated Set 2 keyboard: Close [861889.936] (II) UnloadModule: "evdev" [861889.936] (II) Unloading evdev [861889.936] (II) ImExPS/2 Logitech Wheel Mouse: Close [861889.936] (II) UnloadModule: "evdev" [861889.936] (II) Unloading evdev [861889.937] (II) AIGLX: Suspending AIGLX clients for VT switch [861890.003] ddxSigGiveUp: Closing log Ferry -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/797662 Title: LibreOffice sometimes crashes Xorg To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/797662/+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