MODULE_NAME: win32k

FAULTING_MODULE: 80400000 nt

DEBUG_FLR_IMAGE_TIMESTAMP:  57e3a4bc

READ_ADDRESS:  f3c47410 

FAULTING_IP: 
win32k+712f
f75b912f 8b11            mov     edx,dword ptr [ecx]

MM_INTERNAL_CODE:  0

DEFAULT_BUCKET_ID:  DRIVER_FAULT

BUGCHECK_STR:  0x50

CURRENT_IRQL:  0

LAST_CONTROL_TRANSFER:  from 80472650 to 8051f948

STACK_TEXT:  
WARNING: Stack unwind information not available. Following frames may be wrong.
f6eb5368 80472650 00000004 f6eb5d14 0012d70c nt!DbgBreakPointWithStatus+0x4
f6eb5708 80471f40 00000050 f3c47410 00000000 nt!KeBugCheckEx+0x730
f6eb5728 80491e06 00000050 f3c47410 00000000 nt!KeBugCheckEx+0x20
f6eb58a8 804aea5d 00000000 f3c47410 00000000 nt!MmFreeNonCachedMemory+0x4366
f6eb58cc 804e8d8c 00000000 f3c47410 00000000 nt!NtFreeVirtualMemory+0x46cd
f6eb5918 8050d89f f6eb59e0 f75b912f badb0d00 nt!KiEoiHelper+0x165c
f6eb5930 804904a1 00078160 00000001 00000001 nt!WRITE_REGISTER_BUFFER_ULONG+0xe83
f6eb59e0 f767e9ab f6eb5bf0 80488996 b4dd2000 nt!MmFreeNonCachedMemory+0x2a01
f6eb5c68 f76ccbe3 e2245888 e14f12b8 00000000 win32k!EngCopyBits+0x27b
f6eb5d00 804e9b6b 2e010102 ffffd8f0 ffffd8ef win32k!EngStretchBltROP+0x4c73
f6eb5d1c 804e7f2f f76cca90 0012d700 0000000c nt!Kei386EoiHelper+0xa2b
f6eb5d5c 8050dfc3 0012d70c 7c92c78e badb0d00 nt!KiEoiHelper+0x7ff
f6eb5d64 7c92c78e badb0d00 0012d6f8 00000000 nt!WRITE_REGISTER_BUFFER_ULONG+0x15a7
f6eb5d68 badb0d00 0012d6f8 00000000 00000000 ntdll!KiFastSystemCallRet
f6eb5d6c 0012d6f8 00000000 00000000 00000000 0xbadb0d00
f6eb5d70 00000000 00000000 00000000 00000000 0x12d6f8