*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************
Use !analyze -v to get detailed debugging information.
BugCheck C2, {7, 109b, 402003d, fffffa8007e8e3e0}
*** WARNING: Unable to verify timestamp for ZyxelUDSMBus.sys
*** ERROR: Module load completed but symbols could not be loaded for ZyxelUDSMBus.sys
GetPointerFromAddress: unable to read from fffff800038b5100
GetUlongFromAddress: unable to read from fffff800038b51c0
Probably caused by : ZyxelUDSMBus.sys ( ZyxelUDSMBus+4a43 )
Followup: MachineOwner
---------
5: kd> lmvm ZyxelUDSNBus
start end module name
5: kd> lmvm ZyxelUDSMBus
start end module name
fffff880`00e16000 fffff880`00e2e000 ZyxelUDSMBus T (no symbols)
Loaded symbol image file: ZyxelUDSMBus.sys
Image path: \SystemRoot\SysWOW64\Drivers\ZyxelUDSMBus.sys
Image name: ZyxelUDSMBus.sys
Timestamp: Thu Jul 22 11:19:50 2010 (4C481B46)
CheckSum: 00013DF0
ImageSize: 00018000
Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4
5: kd> !analyze -v
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************
BAD_POOL_CALLER (c2)
The current thread is making a bad pool request. Typically this is at a bad IRQL level or double freeing the same allocation, etc.
Arguments:
Arg1: 0000000000000007, Attempt to free pool which was already freed
Arg2: 000000000000109b, (reserved)
Arg3: 000000000402003d, Memory contents of the pool block
Arg4: fffffa8007e8e3e0, Address of the block of pool being deallocated
Debugging Details:
------------------
POOL_ADDRESS: fffffa8007e8e3e0 Nonpaged pool
FREED_POOL_TAG: SUBM
BUGCHECK_STR: 0xc2_7_SUBM
CUSTOMER_CRASH_COUNT: 1
DEFAULT_BUCKET_ID: WIN7_DRIVER_FAULT
PROCESS_NAME: System
CURRENT_IRQL: 0
LAST_CONTROL_TRANSFER: from fffff800037b0be9 to fffff80003685fc0
STACK_TEXT:
fffff880`076fca28 fffff800`037b0be9 : 00000000`000000c2 00000000`00000007 00000000`0000109b 00000000`0402003d : nt!KeBugCheckEx
fffff880`076fca30 fffff880`00e1aa43 : fffffa80`07942000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!ExDeferredFreePool+0x1201
fffff880`076fcae0 fffffa80`07942000 : 00000000`00000000 00000000`00000000 00000000`00000000 fffff880`03317180 : ZyxelUDSMBus+0x4a43
fffff880`076fcae8 00000000`00000000 : 00000000`00000000 00000000`00000000 fffff880`03317180 00000000`00000000 : 0xfffffa80`07942000
STACK_COMMAND: kb
FOLLOWUP_IP:
ZyxelUDSMBus+4a43
fffff880`00e1aa43 ?? ???
SYMBOL_STACK_INDEX: 2
SYMBOL_NAME: ZyxelUDSMBus+4a43
FOLLOWUP_NAME: MachineOwner
MODULE_NAME: ZyxelUDSMBus
IMAGE_NAME: ZyxelUDSMBus.sys
DEBUG_FLR_IMAGE_TIMESTAMP: 4c481b46
FAILURE_BUCKET_ID: X64_0xc2_7_SUBM_ZyxelUDSMBus+4a43
BUCKET_ID: X64_0xc2_7_SUBM_ZyxelUDSMBus+4a43
Followup: MachineOwner
---------
