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BSOD on Windows 7


dylanm
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I just had a 32-bit Windows 7 computer BSOD on me.  Checking the dump gave me epfwwfp.sys as the culprit and IRQL_NOT_LESS_OR_EQUAL as the issue.

Can anyone tell me whether this is the same issue as outlined in https://support.eset.com/kb2567/ which can be fixed by applying this https://support.microsoft.com/en-us/help/2664888/ hotfix?

Here's the seemingly relevant bugcheck info:

IRQL_NOT_LESS_OR_EQUAL (a)
An attempt was made to access a pageable (or completely invalid) address at an
interrupt request level (IRQL) that is too high.  This is usually
caused by drivers using improper addresses.
If a kernel debugger is available get the stack backtrace.
Arguments:
Arg1: 0072006f, memory referenced
Arg2: 00000002, IRQL
Arg3: 00000001, bitfield :
	bit 0 : value 0 = read operation, 1 = write operation
	bit 3 : value 0 = not an execute operation, 1 = execute operation (only on chips which support this level of status)
Arg4: 83a18fa9, address which referenced memory

FAULTING_IP: 
hal!KeAcquireInStackQueuedSpinLockRaiseToSynch+29
83a18fa9 8902            mov     dword ptr [edx],eax

TRAP_FRAME:  83b80950 -- (.trap 0xffffffff83b80950)
ErrCode = 00000003
eax=83b80a04 ebx=86c0c3a8 ecx=8a6b8574 edx=0072006f esi=8a6b84e8 edi=8a6b85a8
eip=83a18fa9 esp=83b809c4 ebp=83b80a30 iopl=0         nv up ei ng nz na po nc
cs=0008  ss=0010  ds=0023  es=0023  fs=0030  gs=0000             efl=00010282
hal!KeAcquireInStackQueuedSpinLockRaiseToSynch+0x29:
83a18fa9 8902            mov     dword ptr [edx],eax  ds:0023:0072006f=????????
Resetting default scope

LAST_CONTROL_TRANSFER:  from 83a18fa9 to 83a92623

STACK_TEXT:
Page a8ba4 not present in the dump file. Type ".hh dbgerr004" for details
83b80950 83a18fa9 badb0d00 0072006f 00000000 nt!KiTrap0E+0x353
83b809c0 9e40417b 83b8acc0 83b80aac 00000000 hal!KeAcquireInStackQueuedSpinLockRaiseToSynch+0x29
WARNING: Stack unwind information not available. Following frames may be wrong.
83b80a30 9e403cdb 83b80a7c 83ab7a7a 86c0c3f0 epfwwfp+0x417b
83b80a38 83ab7a7a 86c0c3f0 86c0c3a8 c9620c18 epfwwfp+0x3cdb
83b80a7c 83ab7a1d 80b96120 83b80ba8 00000001 nt!KiProcessTimerDpcTable+0x51
83b80b68 83ab78da 80b96120 83b80ba8 00000000 nt!KiProcessExpiredTimerList+0x101
83b80bdc 83ab58aa 0093dd47 877b2030 83b8acc0 nt!KiTimerExpiration+0x25c
83b80c20 83ab56c2 00000000 0000000e 00000000 nt!KiRetireDpcList+0xcb
83b80c24 00000000 0000000e 00000000 00000000 nt!KiIdleLoop+0x46


THREAD_SHA1_HASH_MOD_FUNC:  6c7bfcddebf5ec77ecef028d4c0bc84b2c5c706a

THREAD_SHA1_HASH_MOD_FUNC_OFFSET:  0861c39d7c4013f1434a247142212272a8e0c777

THREAD_SHA1_HASH_MOD:  499ccb1114d9c774835e65a03d3aa1e4c4282652

FOLLOWUP_IP: 
epfwwfp+417b
9e40417b 8b86b8000000    mov     eax,dword ptr [esi+0B8h]

 

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