3: kd> .bugcheck
Bugcheck code 0000007F
Arguments 00000000`00000008 00000000`80050033 00000000`000406f8 fffff800`02c8f134
3: kd> kn
# Child-SP RetAddr Call Site
00 fffff880`033ddce8 fffff800`02c88469 nt!KeBugCheckEx
01 fffff880`033ddcf0 fffff800`02c86932 nt!KiBugCheckDispatch+0x69
02 fffff880`033dde30 fffff800`02c8f134 nt!KiDoubleFaultAbort+0xb2
03 fffff880`03718000 fffff800`02c8cef0 nt!KiDeferredReadyThread+0x14
04 fffff880`03718020 fffff880`0122eb2a nt!KeSetEvent+0x190
05 fffff880`03718090 00000000`00000000 iaStor+0x4b2a
3: kd> !irql
Debugger saved IRQL for processor 0x3 -- 2 (DISPATCH_LEVEL)
3: kd> lmvm iaStor
start end module name
fffff880`0122a000 fffff880`015ce000 iaStor T (no symbols)
Loaded symbol image file: iaStor.sys
Image path: iaStor.sys
Image name: iaStor.sys
Timestamp: Thu Feb 02 00:15:24 2012 (4F29D59C)
CheckSum: 0008B2F8
ImageSize: 003A4000
Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4
3: kd> u fffff800`02c8cef0
nt!KeSetEvent+0x190:
fffff800`02c8cef0 4885db test rbx,rbx
fffff800`02c8cef3 0f857affffff jne nt!KeSetEvent+0x113 (fffff800`02c8ce73)
fffff800`02c8cef9 8b742470 mov esi,dword ptr [rsp+70h]
fffff800`02c8cefd e9fdfeffff jmp nt!KeSetEvent+0x9f (fffff800`02c8cdff)
fffff800`02c8cf02 48837f1000 cmp qword ptr [rdi+10h],0
fffff800`02c8cf07 0f842cffffff je nt!KeSetEvent+0xd9 (fffff800`02c8ce39)
fffff800`02c8cf0d 0fb687da210000 movzx eax,byte ptr [rdi+21DAh]
fffff800`02c8cf14 84c0 test al,al