In my system it crashes around once or twice per day. I send attached some files that might be rellevant.
The apparently most interesting part, in Xorg.log: [ 30672.939] (EE) intel(0): Failed to submit batch buffer, expect rendering corruption or even a frozen display: No space left on device. [ 30673.029] (EE) intel(0): Failed to submit batch buffer, expect rendering corruption or even a frozen display: No space left on device. [ 30673.030] (EE) intel(0): Failed to submit batch buffer, expect rendering corruption or even a frozen display: No space left on device. [ 30673.031] (EE) intel(0): Failed to submit batch buffer, expect rendering corruption or even a frozen display: No space left on device. [ 30673.050] (EE) [ 30673.050] (EE) Backtrace: [ 30673.314] (EE) 0: /usr/bin/X (xorg_backtrace+0x49) [0xb770ccd9] [ 30673.314] (EE) 1: /usr/bin/X (0xb7565000+0x1abbc6) [0xb7710bc6] [ 30673.314] (EE) 2: (vdso) (__kernel_rt_sigreturn+0x0) [0xb754240c] [ 30673.314] (EE) 3: /lib/i386-linux-gnu/libc.so.6 (0xb719a000+0x135c61) [0xb72cfc61] [ 30673.314] (EE) 4: /usr/lib/xorg/modules/drivers/intel_drv.so (0xb6ed2000+0x1231c) [0xb6ee431c] [ 30673.314] (EE) 5: /usr/lib/xorg/modules/drivers/intel_drv.so (0xb6ed2000+0x1431c) [0xb6ee631c] [ 30673.314] (EE) 6: /usr/lib/xorg/modules/drivers/intel_drv.so (0xb6ed2000+0xf1f05) [0xb6fc3f05] [ 30673.314] (EE) 7: /usr/bin/X (0xb7565000+0x12b604) [0xb7690604] [ 30673.314] (EE) 8: /usr/bin/X (0xb7565000+0x3927f) [0xb759e27f] [ 30673.314] (EE) 9: /usr/bin/X (0xb7565000+0x3cba5) [0xb75a1ba5] [ 30673.314] (EE) 10: /usr/bin/X (0xb7565000+0x2a10a) [0xb758f10a] [ 30673.315] (EE) 11: /lib/i386-linux-gnu/libc.so.6 (__libc_start_main+0xf3) [0xb71b34d3] [ 30673.315] (EE) 12: /usr/bin/X (0xb7565000+0x2a4e9) [0xb758f4e9] [ 30673.315] (EE) [ 30673.315] (EE) Bus error at address 0xb5f04008 [ 30673.315] Fatal server error: [ 30673.315] Caught signal 7 (Bus error). Server aborting So it seems to be related to the Intel driver, but I fail to understand what no space left is this about. It is probably something related to the graphics card (Intel Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub). -- 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/1070487 Title: Xorg/Unity occasionaly crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1070487/+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