Looking at the Xorg.0.log we have the following; so it's an X server crash:
[ 23.755] (EE) Backtrace: [ 23.755] (EE) 0: /usr/bin/X (xorg_backtrace+0x49) [0xb77519e9] [ 23.755] (EE) 1: /usr/bin/X (0xb75aa000+0x1ab8d6) [0xb77558d6] [ 23.755] (EE) 2: (vdso) (__kernel_rt_sigreturn+0x0) [0xb758740c] [ 23.755] (EE) 3: /usr/lib/xorg/modules/drivers/openchrome_drv.so (0xb6ff7000+0x14eed) [0xb700beed] [ 23.755] (EE) 4: /usr/bin/X (0xb75aa000+0xcfa02) [0xb7679a02] [ 23.755] (EE) 5: /usr/bin/X (0xb75aa000+0xcff5b) [0xb7679f5b] [ 23.755] (EE) 6: /usr/bin/X (0xb75aa000+0xcffe5) [0xb7679fe5] [ 23.756] (EE) 7: /usr/bin/X (xf86I2CProbeAddress+0x6a) [0xb767a14a] [ 23.756] (EE) 8: /usr/lib/xorg/modules/drivers/openchrome_drv.so (0xb6ff7000+0x1b4eb) [0xb70124eb] [ 23.756] (EE) 9: /usr/lib/xorg/modules/drivers/openchrome_drv.so (0xb6ff7000+0x11111) [0xb7008111] [ 23.756] (EE) 10: /usr/lib/xorg/modules/drivers/openchrome_drv.so (0xb6ff7000+0x144c9) [0xb700b4c9] [ 23.756] (EE) 11: /usr/bin/X (InitOutput+0xb36) [0xb762d676] [ 23.756] (EE) 12: /usr/bin/X (0xb75aa000+0x29ef6) [0xb75d3ef6] [ 23.756] (EE) 13: /lib/i386-linux-gnu/libc.so.6 (__libc_start_main+0xf3) [0xb72094d3] [ 23.756] (EE) 14: /usr/bin/X (0xb75aa000+0x2a4d9) [0xb75d44d9] [ 23.756] (EE) [ 23.756] (EE) Segmentation fault at address 0xfc [ 23.756] Fatal server error: [ 23.756] Caught signal 11 (Segmentation fault). Server aborting [ 23.756] [ 23.756] (EE) Please consult the The X.Org Foundation support at http://wiki.x.org
Looking at the Xorg.0.log we have the following; so it's an X server crash:
[ 23.755] (EE) Backtrace: +0x49) [0xb77519e9] 0x1ab8d6) [0xb77558d6] rt_sigreturn+ 0x0) [0xb758740c] xorg/modules/ drivers/ openchrome_ drv.so (0xb6ff7000+ 0x14eed) [0xb700beed] 0xcfa02) [0xb7679a02] 0xcff5b) [0xb7679f5b] 0xcffe5) [0xb7679fe5] dress+0x6a) [0xb767a14a] xorg/modules/ drivers/ openchrome_ drv.so (0xb6ff7000+ 0x1b4eb) [0xb70124eb] xorg/modules/ drivers/ openchrome_ drv.so (0xb6ff7000+ 0x11111) [0xb7008111] xorg/modules/ drivers/ openchrome_ drv.so (0xb6ff7000+ 0x144c9) [0xb700b4c9] 0x29ef6) [0xb75d3ef6] linux-gnu/ libc.so. 6 (__libc_ start_main+ 0xf3) [0xb72094d3] 0x2a4d9) [0xb75d44d9] wiki.x. org
[ 23.755] (EE) 0: /usr/bin/X (xorg_backtrace
[ 23.755] (EE) 1: /usr/bin/X (0xb75aa000+
[ 23.755] (EE) 2: (vdso) (__kernel_
[ 23.755] (EE) 3: /usr/lib/
[ 23.755] (EE) 4: /usr/bin/X (0xb75aa000+
[ 23.755] (EE) 5: /usr/bin/X (0xb75aa000+
[ 23.755] (EE) 6: /usr/bin/X (0xb75aa000+
[ 23.756] (EE) 7: /usr/bin/X (xf86I2CProbeAd
[ 23.756] (EE) 8: /usr/lib/
[ 23.756] (EE) 9: /usr/lib/
[ 23.756] (EE) 10: /usr/lib/
[ 23.756] (EE) 11: /usr/bin/X (InitOutput+0xb36) [0xb762d676]
[ 23.756] (EE) 12: /usr/bin/X (0xb75aa000+
[ 23.756] (EE) 13: /lib/i386-
[ 23.756] (EE) 14: /usr/bin/X (0xb75aa000+
[ 23.756] (EE)
[ 23.756] (EE) Segmentation fault at address 0xfc
[ 23.756]
Fatal server error:
[ 23.756] Caught signal 11 (Segmentation fault). Server aborting
[ 23.756]
[ 23.756] (EE)
Please consult the The X.Org Foundation support
at http://