Created attachment 126973 [details]
Xorg.log file after X crash

I came back to my desktop computer after the weekend to find it at a flashing "prompt".  X had crashed according to the log.  Restarted GDM and the desktop came back up.

Xorg.log file attached.

[139745.106] (EE)
[139745.106] (EE) Backtrace:
[139745.107] (EE) 0: /usr/bin/amd64/Xorg (xorg_backtrace+0xb0) [0x5067b5]
[139745.108] (EE) 1: /usr/bin/amd64/Xorg (OsSigHandler+0x74) [0x510a64]
[139745.108] (EE) 2: /lib/amd64/libc.so.1 (__sighndlr+0x6) [0xfffffd7fff2c9156]
[139745.108] (EE) 3: /lib/amd64/libc.so.1 (call_user_handler+0x1db) [0xfffffd7fff2bbe8b]
[139745.108] (EE) 4: /usr/bin/amd64/Xorg (xf86Wakeup+0x2ea) [0x534bf6]
[139745.108] (EE) 5: /usr/bin/amd64/Xorg (WakeupHandler+0x83) [0x4c2bd8]
[139745.109] (EE) 6: /usr/bin/amd64/Xorg (WaitForSomething+0x4b2) [0x5155cd]
[139745.109] (EE) 7: /usr/bin/amd64/Xorg (Dispatch+0x9e) [0x4b39a3]
[139745.109] (EE) 8: /usr/bin/amd64/Xorg (dix_main+0x65a) [0x4c1e68]
[139745.109] (EE) 9: /usr/bin/amd64/Xorg (main+0x28) [0x520e77]
[139745.109] (EE) 10: /usr/bin/amd64/Xorg (_start+0x6c) [0x4a40dc]
[139745.110] (EE)
[139745.110] (EE) Segmentation Fault at address 0x31
[139745.110] (EE)
Fatal server error:
[139745.110] (EE) Caught signal 11 (Segmentation Fault). Server aborting
[139745.110] (EE)
[139745.111] (EE)
Please consult the Project OpenIndiana support
     at http://openindiana.org
 for help.
[139745.111] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[139745.111] (EE)
[139745.490] (EE) Server terminated with error (1). Closing log file.