Microsoft (R) Windows Debugger Version 6.2.9200.20512 AMD64
Copyright (c) Microsoft Corporation. All rights reserved.
Loading Dump File [C:\Users\Arch\AppData\Local\Temp\Rar$DI00.498\121412-20109-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available
DbsSplayTreeRangeMap::Add: ignoring zero-sized range at ?ffffffff`82d2bad4?
Symbol search path is: SRV*C:\SymCache*http://msdl.microsoft.com/download/symbols
Executable search path is:
Windows 7 Kernel Version 7601 (Service Pack 1) MP (2 procs) Free x86 compatible
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7601.17944.x86fre.win7sp1_gdr.120830-0333
Machine Name:
Kernel base = 0x82c0c000 PsLoadedModuleList = 0x82d4c230
Debug session time: Fri Dec 14 15:00:40.770 2012 (UTC + 5:30)
System Uptime: 0 days 0:25:40.187
Loading Kernel Symbols
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Loading User Symbols
Loading unloaded module list
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* Bugcheck Analysis *
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Use !analyze -v to get detailed debugging information.
BugCheck 9F, {3, 85d6fa20, 82d2bae0, 8686c350}
*** WARNING: Unable to verify timestamp for GenBus.sys
*** ERROR: Module load completed but symbols could not be loaded for GenBus.sys
Probably caused by : GenBus.sys
Followup: MachineOwner
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0: kd> !analyze -v
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* *
* Bugcheck Analysis *
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DRIVER_POWER_STATE_FAILURE (9f)
A driver has failed to complete a power IRP within a specific time (usually 10 minutes).
Arguments:
Arg1: 00000003, A device object has been blocking an Irp for too long a time
Arg2: 85d6fa20, Physical Device Object of the stack
Arg3: 82d2bae0, nt!TRIAGE_9F_POWER on Win7, otherwise the Functional Device Object of the stack
Arg4: 8686c350, The blocked IRP
Debugging Details:
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DRVPOWERSTATE_SUBCODE: 3
IMAGE_NAME: GenBus.sys
DEBUG_FLR_IMAGE_TIMESTAMP: 4acab521
MODULE_NAME: GenBus
FAULTING_MODULE: 8d7f8000 GenBus
CUSTOMER_CRASH_COUNT: 1
DEFAULT_BUCKET_ID: INTEL_CPU_MICROCODE_ZERO
BUGCHECK_STR: 0x9F
PROCESS_NAME: System
CURRENT_IRQL: 2
STACK_TEXT:
82d2ba94 82c9b0b0 0000009f 00000003 85d6fa20 nt!KeBugCheckEx+0x1e
82d2bb00 82cb65f9 82d2bba0 00000000 82d38340 nt!PopCheckIrpWatchdog+0x1f5
82d2bb38 82c63587 82d45ea0 00000000 aed35f0b nt!PopCheckForIdleness+0x73
82d2bb7c 82c6352b 82d2ed20 82d2bca8 00000001 nt!KiProcessTimerDpcTable+0x50
82d2bc68 82c633e8 82d2ed20 82d2bca8 00000000 nt!KiProcessExpiredTimerList+0x101
82d2bcdc 82c6179e 0001810c 849a03a8 82d38340 nt!KiTimerExpiration+0x25c
82d2bd20 82c615c8 00000000 0000000e 00000000 nt!KiRetireDpcList+0xcb
82d2bd24 00000000 0000000e 00000000 00000000 nt!KiIdleLoop+0x38
STACK_COMMAND: kb
FOLLOWUP_NAME: MachineOwner
FAILURE_BUCKET_ID: 0x9F_3_GenHC_IMAGE_GenBus.sys
BUCKET_ID: 0x9F_3_GenHC_IMAGE_GenBus.sys
Followup: MachineOwner
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0: kd> lmvm GenBus
start end module name
8d7f8000 8d7fea00 GenBus T (no symbols)
Loaded symbol image file: GenBus.sys
Image path: \SystemRoot\system32\DRIVERS\GenBus.sys
Image name: GenBus.sys
Timestamp: Tue Oct 06 08:40:25 2009 (4ACAB521)
CheckSum: 000123C8
ImageSize: 00006A00
Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4
My congratulations to a proud new father 
It is not very good to look at to me 
It seems to be something more than simply a blocked IRP issue.