Backtrace:
0: /usr/bin/X (xorg_backtrace+0x48) [0x7fbab6bacd28]
1: /usr/bin/X (0x7fbab6a04000+0x1aca19) [0x7fbab6bb0a19]
2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fbab5b01000+0x10340) [0x7fbab5b11340]
3: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/drivers/fglrx_drv.so (swlDrmAllocateOffscreenMem+0xe) [0x7fbab16415de]
4: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/drivers/fglrx_drv.so (swlDrmAllocateOffscreenCursorSurface+0x35) [0x7fbab16418b5]
5: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/drivers/fglrx_drv.so (xilCursorGetSurface+0xac) [0x7fbab163b0ac]
6: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/drivers/fglrx_drv.so (xdl_xs115_atiddxDisplayCursorInit+0x44) [0x7fbab1631bc4]
7: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/drivers/fglrx_drv.so (xdl_xs115_CursorSetup+0xb6) [0x7fbab1632186]
8: /usr/lib/x86_64-linux-gnu/xorg/extra-modules/modules/drivers/fglrx_drv.so (xdl_xs115_atiddxScreenInit+0x9b3) [0x7fbab1601683]
9: /usr/bin/X (AddScreen+0x71) [0x7fbab6a59ca1]
10: /usr/bin/X (InitOutput+0x3c8) [0x7fbab6a9ace8]
11: /usr/bin/X (0x7fbab6a04000+0x596bb) [0x7fbab6a5d6bb]
12: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7fbab4540ec5]
13: /usr/bin/X (0x7fbab6a04000+0x44dde) [0x7fbab6a48dde]

Segmentation fault at address 0x8

Caught signal 11 (Segmentation fault). Server aborting


Please also check the log file at "/var/log/Xorg.0.log" for additional information.