[  1042.800] (EE) Backtrace:
[  1042.801] (EE) 0: /usr/bin/X (xorg_backtrace+0x3d) [0x7f111b234fdd]
[  1042.801] (EE) 1: /usr/bin/X (0x7f111b092000+0x1a6d49) [0x7f111b238d49]
[  1042.801] (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f111a192000+0xfbb0) [0x7f111a1a1bb0]
[  1042.801] (EE) 3: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f111747f000+0x28aaa) [0x7f11174a7aaa]
[  1042.801] (EE) 4: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f111747f000+0xd38b1) [0x7f11175528b1]
[  1042.801] (EE) 5: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f111747f000+0xd41f9) [0x7f11175531f9]
[  1042.801] (EE) 6: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f111747f000+0xd7afb) [0x7f1117556afb]
[  1042.801] (EE) 7: /usr/lib/xorg/modules/drivers/intel_drv.so (0x7f111747f000+0x5b9df) [0x7f11174da9df]
[  1042.801] (EE) 8: /usr/bin/X (0x7f111b092000+0x128861) [0x7f111b1ba861]
[  1042.801] (EE) 9: /usr/bin/X (0x7f111b092000+0x5525e) [0x7f111b0e725e]
[  1042.801] (EE) 10: /usr/bin/X (0x7f111b092000+0x447ba) [0x7f111b0d67ba]
[  1042.801] (EE) 11: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f1118dcdde5]
[  1042.801] (EE) 12: /usr/bin/X (0x7f111b092000+0x44aff) [0x7f111b0d6aff]
[  1042.801] (EE) 
[  1042.801] (EE) Segmentation fault at address 0x18
[  1042.801] (EE) 
Fatal server error:
[  1042.801] (EE) Caught signal 11 (Segmentation fault). Server aborting