Comment 42 for bug 1172094

After about 5MB of similar messages in Xorg.0.log.old here is the end of the file which actually contains the xorg crash:

(EE) [dix] SYN1B7F:01 06CB:2970 UNKNOWN: unable to find touch point 0
(EE) [dix] SYN1B7F:01 06CB:2970 UNKNOWN: unable to find touch point 0
(EE) [dix] SYN1B7F:01 06CB:2970 UNKNOWN: unable to find touch point 0
(EE) [dix] SYN1B7F:01 06CB:2970 UNKNOWN: unable to find touch point 0
(EE) [dix] SYN1B7F:01 06CB:2970 UNKNOWN: unable to find touch point 0
[ 94144.599] (II) config/udev: Adding input device YULONG Audio U100V YULONG Audio U100V (/dev/input/event17)
[ 94144.600] (II) No input driver specified, ignoring this device.
[ 94144.600] (II) This device may have been added with another device file.
[115313.777] (EE)
[115313.777] (EE) Backtrace:
[115313.778] (EE) 0: /usr/bin/X (xorg_backtrace+0x56) [0x7fbbab374f76]
[115313.779] (EE) 1: /usr/bin/X (0x7fbbab1be000+0x1bb179) [0x7fbbab379179]
[115313.779] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (0x7fbba8ef3000+0x36eb0) [0x7fbba8f29eb0]
[115313.779] (EE) 3: /usr/bin/X (XIGetDeviceProperty+0x40) [0x7fbbab30d8a0]
[115313.779] (EE) 4: /usr/bin/X (0x7fbbab1be000+0x14f9f4) [0x7fbbab30d9f4]
[115313.779] (EE) 5: /usr/bin/X (0x7fbbab1be000+0x14ff7a) [0x7fbbab30df7a]
[115313.779] (EE) 6: /usr/bin/X (0x7fbbab1be000+0x574f7) [0x7fbbab2154f7]
[115313.779] (EE) 7: /usr/bin/X (0x7fbbab1be000+0x5b706) [0x7fbbab219706]
[115313.780] (EE) 8: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7fbba8f14ec5]
[115313.780] (EE) 9: /usr/bin/X (0x7fbbab1be000+0x45a8e) [0x7fbbab203a8e]
[115313.780] (EE)
[115313.782] (EE) Segmentation fault at address 0x100000018
[115313.782] (EE)
Fatal server error:
[115313.782] (EE) Caught signal 11 (Segmentation fault). Server aborting
[115313.782] (EE)
[115313.783] (EE)
Please consult the The X.Org Foundation support
         at http://wiki.x.org
 for help.
[115313.783] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[115313.783] (EE)
[115313.785] (II) AIGLX: Suspending AIGLX clients for VT switch
[115314.987] (EE) Server terminated with error (1). Closing log file.