Xorg.0.log.old

[220896.280] (EE) 
[220896.280] (EE) Backtrace:
[220896.386] (EE) 0: /usr/bin/X (xorg_backtrace+0x48) [0x582028]
[220896.386] (EE) 1: /usr/bin/X (0x400000+0x185ed9) [0x585ed9]
[220896.387] (EE) 2: /lib64/libc.so.6 (0x7f2d170e1000+0x352a0) [0x7f2d171162a0]
[220896.387] (EE) 3: /usr/lib64/xorg/modules/drivers/intel_drv.so (0x7f2d1335d000+0xe58b2) [0x7f2d134428b2]
[220896.387] (EE) 4: /usr/lib64/xorg/modules/drivers/intel_drv.so (0x7f2d1335d000+0xf393e) [0x7f2d1345093e]
[220896.387] (EE) 5: /usr/lib64/xorg/modules/drivers/intel_drv.so (0x7f2d1335d000+0xf4c93) [0x7f2d13451c93]
[220896.387] (EE) 6: /usr/lib64/xorg/modules/drivers/intel_drv.so (0x7f2d1335d000+0xf5aab) [0x7f2d13452aab]
[220896.387] (EE) 7: /usr/bin/X (DRI2SwapBuffers+0x1b0) [0x554870]
[220896.387] (EE) 8: /usr/bin/X (0x400000+0x156003) [0x556003]
[220896.387] (EE) 9: /usr/bin/X (0x400000+0x35bde) [0x435bde]
[220896.387] (EE) 10: /usr/bin/X (0x400000+0x399aa) [0x4399aa]
[220896.387] (EE) 11: /lib64/libc.so.6 (__libc_start_main+0xf5) [0x7f2d17102a65]
[220896.387] (EE) 12: /usr/bin/X (0x400000+0x252be) [0x4252be]
[220896.387] (EE) 
[220896.388] (EE) Segmentation fault at address 0x81f004
[220896.388] (EE) 
Fatal server error:
[220896.388] (EE) Caught signal 11 (Segmentation fault). Server aborting
[220896.388] (EE) 
[220896.388] (EE)