Windows 7 bị BSOD, có liên quan file win32k.sys ?

Microsoft (R) Windows Debugger Version 6.12.0002.633 AMD64
Copyright (c) Microsoft Corporation. All rights reserved.

Loading Dump File [C:WindowsMinidump80710-25053-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

Symbol search path is: SRV*c:websymbols*http://msdl.microsoft.com/download/symbols
Executable search path is: 
Windows 7 Kernel Version 7600 MP (4 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7600.16539.amd64fre.win7_gdr.100226-1909
Machine Name:
Kernel base = 0xfffff800`02c11000 PsLoadedModuleList = 0xfffff800`02e4ee50
Debug session time: Sat Aug  7 13:32:26.774 2010 (UTC + 7:00)
System Uptime: 0 days 3:03:28.241
Loading Kernel Symbols
...............................................................
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Loading User Symbols
Loading unloaded module list
......
ERROR: FindPlugIns 8007007b
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*                        Bugcheck Analysis                                    *
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Use !analyze -v to get detailed debugging information.

BugCheck 3B, {c0000005, fffff960001543c7, fffff88009511030, 0}

Probably caused by : win32k.sys ( win32k!HmgLockEx+a3 )

Followup: MachineOwner
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1: kd> !analyze -v
ERROR: FindPlugIns 8007007b
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*                        Bugcheck Analysis                                    *
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SYSTEM_SERVICE_EXCEPTION (3b)
An exception happened while executing a system service routine.
Arguments:
Arg1: 00000000c0000005, Exception code that caused the bugcheck
Arg2: fffff960001543c7, Address of the instruction which caused the bugcheck
Arg3: fffff88009511030, Address of the context record for the exception that caused the bugcheck
Arg4: 0000000000000000, zero.

Debugging Details:
------------------


EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%08lx referenced memory at 0x%08lx. The memory could not be %s.

FAULTING_IP: 
win32k!HmgLockEx+a3
fffff960`001543c7 0fb7430c        movzx   eax,word ptr [rbx+0Ch]

CONTEXT:  fffff88009511030 -- (.cxr 0xfffff88009511030)
rax=fffff900c0200000 rbx=0000000000000000 rcx=fffffa8006e07720
rdx=fffff900c0200000 rsi=0000000000000000 rdi=fffff900c0200000
rip=fffff960001543c7 rsp=fffff88009511a00 rbp=0000000000000000
 r8=0000000000000001  r9=0000000000000000 r10=0000000000000000
r11=fffff88009511a68 r12=0000000003b53a00 r13=0000000000000000
r14=0000000000000001 r15=0000000000000000
iopl=0         nv up ei pl zr na po nc
cs=0010  ss=0018  ds=002b  es=002b  fs=0053  gs=002b             efl=00010246
win32k!HmgLockEx+0xa3:
fffff960`001543c7 0fb7430c        movzx   eax,word ptr [rbx+0Ch] ds:002b:00000000`0000000c=????
Resetting default scope

CUSTOMER_CRASH_COUNT:  1

DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT

BUGCHECK_STR:  0x3B

PROCESS_NAME:  dwm.exe

CURRENT_IRQL:  0

LAST_CONTROL_TRANSFER:  from fffff9600030c750 to fffff960001543c7

STACK_TEXT:  
fffff880`09511a00 fffff960`0030c750 : fffff900`c4b352a0 00000000`00000001 00000000`6b120a1b fffff900`c09b9690 : win32k!HmgLockEx+0xa3
fffff880`09511a70 fffff960`0030bc4e : fffff900`c4b352a0 00000000`00000000 00000a1b`624d4653 00000000`0000001d : win32k!SFMLOGICALSURFACE::OwnsSurfaceCleanup+0x40
fffff880`09511aa0 fffff960`0030cb53 : 00000000`00000000 00000000`6b120a1b fffff900`c4b352a0 00000000`03b53a60 : win32k!SFMLOGICALSURFACE::DeInitialize+0x4e
fffff880`09511ae0 fffff960`00269667 : 00000000`00000000 fffff900`c00bf010 fffff900`c4b352a0 00000000`00000020 : win32k!bhLSurfDestroyLogicalSurfaceObject+0x4b
fffff880`09511b20 fffff960`0028a940 : 00000800`00000001 00000000`00000001 fffff880`09511c60 00000000`00000000 : win32k!GreSfmCloseCompositorRef+0x10f
fffff880`09511b60 fffff800`02c80853 : fffffa80`06e07720 00000000`039af6d0 000007fe`f6e0d610 00000000`00000000 : win32k!NtGdiHLSurfSetInformation+0x1a8
fffff880`09511be0 000007fe`fd804efa : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiSystemServiceCopyEnd+0x13
00000000`039af128 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : 0x7fe`fd804efa

FOLLOWUP_IP: 
win32k!HmgLockEx+a3
fffff960`001543c7 0fb7430c        movzx   eax,word ptr [rbx+0Ch]

SYMBOL_STACK_INDEX:  0

SYMBOL_NAME:  win32k!HmgLockEx+a3

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: win32k

IMAGE_NAME:  win32k.sys

DEBUG_FLR_IMAGE_TIMESTAMP:  4bdc4376

STACK_COMMAND:  .cxr 0xfffff88009511030 ; kb

FAILURE_BUCKET_ID:  X64_0x3B_win32k!HmgLockEx+a3

BUCKET_ID:  X64_0x3B_win32k!HmgLockEx+a3

Followup: MachineOwner