Code Type:       X86-64 (Native)
Parent Process:  Xquartz [26557]

Date/Time:       2012-05-14 19:14:51.649 +0700
OS Version:      Mac OS X 10.6.8 (10K549)
Report Version:  6

Interval Since Last Report:          13750 sec
Crashes Since Last Report:           1
Per-App Interval Since Last Report:  11627 sec
Per-App Crashes Since Last Report:   1
Anonymous UUID:                      00AEB68B-72E9-4A9A-812A-B2C773A30E8D

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000
Crashed Thread:  2

Application Specific Information:
X.Org X Server 1.4.2-apple56 Build Date: 20100624

Thread 0:  Dispatch queue: com.apple.main-thread
0   libSystem.B.dylib             	0x00007fff8571dd7a mach_msg_trap + 10
1   libSystem.B.dylib             	0x00007fff8571e444 mach_msg + 146
2   com.apple.CoreFoundation      	0x00007fff85987902 __CFRunLoopRun + 1698
3   com.apple.CoreFoundation      	0x00007fff85986d8f CFRunLoopRunSpecific + 575
4   com.apple.HIToolbox           	0x00007fff89aaa7ee RunCurrentEventLoopInMode + 333
5   com.apple.HIToolbox           	0x00007fff89aaa5f3 ReceiveNextEventCommon + 310
6   com.apple.HIToolbox           	0x00007fff89aaa4ac BlockUntilNextEventMatchingListInMode + 59
7   com.apple.AppKit              	0x00007fff812edeb2 _DPSNextEvent + 708
8   com.apple.AppKit              	0x00007fff812ed801 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 155
9   com.apple.AppKit              	0x00007fff812b368f -[NSApplication run] + 395
10  X11.bin                       	0x0000000100007035 X11ApplicationMain + 1210
11  X11.bin                       	0x000000010001136d server_main + 217
12  X11.bin                       	0x000000010000180d do_start_x11_server + 321
13  X11.bin                       	0x00000001000024e0 _Xstart_x11_server + 143
14  X11.bin                       	0x0000000100002352 mach_startup_server + 106
15  libSystem.B.dylib             	0x00007fff8579a9a8 mach_msg_server + 357
16  X11.bin                       	0x000000010000228b main + 1378
17  X11.bin                       	0x0000000100001268 start + 52

Thread 1:  Dispatch queue: com.apple.libdispatch-manager
0   libSystem.B.dylib             	0x00007fff85736c0a kevent + 10
1   libSystem.B.dylib             	0x00007fff85738add _dispatch_mgr_invoke + 154
2   libSystem.B.dylib             	0x00007fff857387b4 _dispatch_queue_invoke + 185
3   libSystem.B.dylib             	0x00007fff857382de _dispatch_worker_thread2 + 252
4   libSystem.B.dylib             	0x00007fff85737c08 _pthread_wqthread + 353
5   libSystem.B.dylib             	0x00007fff85737aa5 start_wqthread + 13

Thread 2 Crashed:
0   X11.bin                       	0x000000010001bc1b RootlessComposite + 129
1   X11.bin                       	0x00000001000bab39 ProcRenderComposite + 374
2   X11.bin                       	0x000000010005b781 Dispatch + 751
3   X11.bin                       	0x0000000100069cac dix_main + 1309
4   X11.bin                       	0x000000010001149e server_thread + 50
5   libSystem.B.dylib             	0x00007fff85756fd6 _pthread_start + 331
6   libSystem.B.dylib             	0x00007fff85756e89 thread_start + 13