Waiting to reconnect... Connected to Windows 7 7601 x86 compatible target at (Tue Apr 7 12:00:18.730 2015 (UTC + 2:00)), ptr64 FALSE Kernel Debugger connection established. Symbol search path is: srv*c:\symbols*http://msdl.microsoft.com/download/symbols;srv*c:\symbols*http://chromium-browser-symsrv.commondatastorage.googleapis.comSRV*c:\symbols\*http://symbols.mozilla.org/firefox;srv*c:\symbols*https://chromium-browser-symsrv.commondatastorage.googleapis.com Executable search path is: Windows 7 Kernel Version 7601 MP (1 procs) Free x86 compatible Built by: 7601.18741.x86fre.win7sp1_gdr.150202-1526 Machine Name: Kernel base = 0x82a42000 PsLoadedModuleList = 0x82b8c5b0 System Uptime: not available nt!DbgLoadImageSymbols+0x47: 82a5a578 cc int 3 kd> g ******************************************************************************* * * This is the string you add to your checkin description * Driver Verifier: Enabled for win32k.sys on Build 7601 Swoke0cxHt9I3y4CfWvmAH * ******************************************************************************* nt!DbgLoadImageSymbols+0x47: 82a5a578 cc int 3 kd> g *** Fatal System Error: 0x000000d5 (0xFA85EFA4,0x00000001,0x94596F21,0x00000000) Driver at fault: *** win32k.sys - Address 94596F21 base at 944E0000, DateStamp 54ee8ecd . Break instruction exception - code 80000003 (first chance) A fatal system error has occurred. Debugger entered on first try; Bugcheck callbacks have not been invoked. A fatal system error has occurred. Connected to Windows 7 7601 x86 compatible target at (Tue Apr 7 12:04:15.780 2015 (UTC + 2:00)), ptr64 FALSE Loading Kernel Symbols ............................................................... ................................................................ ......................... Loading User Symbols ........... Loading unloaded module list .... ******************************************************************************* * * * Bugcheck Analysis * * * ******************************************************************************* Use !analyze -v to get detailed debugging information. BugCheck D5, {fa85efa4, 1, 94596f21, 0} *** WARNING: Unable to verify checksum for a37.exe *** ERROR: Module load completed but symbols could not be loaded for a37.exe Probably caused by : win32k.sys ( win32k!GreSetBrushOwner+160 ) Followup: MachineOwner --------- Assertion: *** DPC watchdog timeout This is NOT a break in update time This is most likely a BUG in an ISR Perform a stack trace to find the culprit The period will be doubled on continuation Use gh to continue!! nt!KeAccumulateTicks+0x3c5: 82abd38c cd2c int 2Ch kd> !analyze -v ******************************************************************************* * * * Bugcheck Analysis * * * ******************************************************************************* DRIVER_PAGE_FAULT_IN_FREED_SPECIAL_POOL (d5) Memory was referenced after it was freed. This cannot be protected by try-except. When possible, the guilty driver's name (Unicode string) is printed on the bugcheck screen and saved in KiBugCheckDriver. Arguments: Arg1: fa85efa4, memory referenced Arg2: 00000001, value 0 = read operation, 1 = write operation Arg3: 94596f21, if non-zero, the address which referenced memory. Arg4: 00000000, (reserved) Debugging Details: ------------------ WRITE_ADDRESS: fa85efa4 Special pool FAULTING_IP: win32k!GreSetBrushOwner+160 94596f21 8908 mov dword ptr [eax],ecx MM_INTERNAL_CODE: 0 IMAGE_NAME: win32k.sys DEBUG_FLR_IMAGE_TIMESTAMP: 54ee8ecd MODULE_NAME: win32k FAULTING_MODULE: 944e0000 win32k DEFAULT_BUCKET_ID: WIN7_DRIVER_FAULT BUGCHECK_STR: 0xD5 PROCESS_NAME: a37.exe CURRENT_IRQL: 1c TRAP_FRAME: 9a306b34 -- (.trap 0xffffffff9a306b34) ErrCode = 00000002 eax=fa85efa4 ebx=ff817ac0 ecx=00000000 edx=00000000 esi=fa93af78 edi=00000dd8 eip=94596f21 esp=9a306ba8 ebp=9a306bf4 iopl=0 nv up ei ng nz na po nc cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00010282 win32k!GreSetBrushOwner+0x160: 94596f21 8908 mov dword ptr [eax],ecx ds:0023:fa85efa4=???????? Resetting default scope LAST_CONTROL_TRANSFER: from 82abc853 to 82abd38c STACK_TEXT: 9a306558 82abc853 0002625a 00000000 00004000 nt!KeAccumulateTicks+0x3c5 9a306598 82abc700 82a240a8 0580509c 00000000 nt!KeUpdateRunTime+0x145 9a3065f0 82abbf03 00000002 00000002 000000d1 nt!KeUpdateSystemTime+0x613 9a3065f0 82a240a8 00000002 00000002 000000d1 nt!KeUpdateSystemTimeAssist+0x13 9a306674 82a12b8c 00001000 00000000 9a3066d4 hal!READ_PORT_USHORT+0x8 9a306684 82a12cf5 82b20f92 27522a3c 00000065 hal!HalpCheckPowerButton+0x2e 9a306688 82b20f92 27522a3c 00000065 00000000 hal!HaliHaltSystem+0x7 9a3066d4 82b21a39 00000003 00000000 000fe5f6 nt!KiBugCheckDebugBreak+0x73 9a306a98 82acf9ad 00000050 fa85efa4 00000001 nt!KeBugCheck2+0x68b 9a306b1c 82a82a78 00000001 fa85efa4 00000000 nt!MmAccessFault+0x104 9a306b1c 94596f21 00000001 fa85efa4 00000000 nt!KiTrap0E+0xdc 9a306bf4 946a9342 00000001 00000dd8 2e9007ac win32k!GreSetBrushOwner+0x160 9a306c18 946980af 2e9007ac 9a306c34 82a7f896 win32k!GreMakeBrushNonStock+0x63 9a306c24 82a7f896 2e9007ac 00000001 001ffe8c win32k!NtGdiClearBrushAttributes+0x13 9a306c24 771670f4 2e9007ac 00000001 001ffe8c nt!KiSystemServicePostCall 001ffe78 00e01067 00000000 2e9007ac 00000001 ntdll!KiFastSystemCallRet WARNING: Stack unwind information not available. Following frames may be wrong. 001ffe8c 00e01164 2e9007ac 00000001 2e9007ac a37+0x1067 001ffeb0 00e0132c 00000001 0033ee48 003422e8 a37+0x1164 001ffef8 7702ee1c 7ffd3000 001fff44 771837eb a37+0x132c 001fff04 771837eb 7ffd3000 7703050b 00000000 kernel32!BaseThreadInitThunk+0xe 001fff44 771837be 00e013a9 7ffd3000 00000000 ntdll!__RtlUserThreadStart+0x70 001fff5c 00000000 00e013a9 7ffd3000 00000000 ntdll!_RtlUserThreadStart+0x1b STACK_COMMAND: kb FOLLOWUP_IP: win32k!GreSetBrushOwner+160 94596f21 8908 mov dword ptr [eax],ecx SYMBOL_STACK_INDEX: b SYMBOL_NAME: win32k!GreSetBrushOwner+160 FOLLOWUP_NAME: MachineOwner FAILURE_BUCKET_ID: 0xD5_VRF_win32k!GreSetBrushOwner+160 BUCKET_ID: 0xD5_VRF_win32k!GreSetBrushOwner+160 Followup: MachineOwner ---------