// The fault that started the problem:
1: kd> .bugcheck
Bugcheck code 00000050
Arguments fffff6fc`400626d8 00000000`00000000 fffff800`030f6cbf 00000000`00000009
1: kd> .trap 0xfffff8800b534960
NOTE: The trap frame does not contain all registers.
Some register values may be zeroed or incorrect.
rax=fffffa800cd4aed0 rbx=0000000000000000 rcx=0000000000000000
rdx=fffff98001c22800 rsi=0000000000000000 rdi=0000000000000000
rip=fffff800033dbb37 rsp=fffff8800b534af0 rbp=0000000000000000
r8=000000000000000f r9=0000000000362800 r10=0000000000000800
r11=0000000000000001 r12=0000000000000000 r13=0000000000000000
r14=0000000000000000 r15=0000000000000000
iopl=0 nv up ei ng nz ac po cy
nt!CcMapData+0x117:
fffff800`033dbb37 0fb602 movzx eax,byte ptr [rdx] ds:fffff980`01c22800=??
1: kd> k
*** Stack trace for last set context - .thread/.cxr resets it
# Child-SP RetAddr Call Site
00 fffff880`0b534af0 fffff880`012f8382 nt!CcMapData+0x117
01 fffff880`0b534bb0 00000000`00000000 Ntfs!NtfsReadMftRecord+0xb2
// The full stack showing the resulting bugcheck:
1: kd> !thread
GetPointerFromAddress: unable to read from fffff80003319000
THREAD fffffa800fd8c360 Cid 0510.0530 Teb: 000007fffffd3000 Win32Thread: fffff900c1ae0010 RUNNING on processor 1
IRP List:
Unable to read nt!_IRP @ fffffa8010fb9750
Not impersonating
GetUlongFromAddress: unable to read from fffff80003257bf0
Owning Process fffffa800fd36060 Image: spoolsv.exe
Attached Process N/A Image: N/A
fffff78000000000: Unable to get shared data
Wait Start TickCount 1519
Context Switch Count 248 IdealProcessor: 1 LargeStack
ReadMemory error: Cannot get nt!KeMaximumIncrement value.
UserTime 00:00:00.000
KernelTime 00:00:00.000
Win32 Start Address 0x00000000ff50d240
Stack Init fffff8800b535c70 Current fffff8800b533dc0
Base fffff8800b536000 Limit fffff8800b52d000 Call 0
Priority 10 BasePriority 8 UnusualBoost 1 ForegroundBoost 0 IoPriority 2 PagePriority 5
Child-SP RetAddr : Args to Child : Call Site
fffff880`0b533bf8 fffff800`03157ea0 : 00000000`00000050 fffff6fc`400626d8 00000000`00000000 fffff880`0b533d60 : nt!KeBugCheckEx
fffff880`0b533c00 fffff800`030d9d2e : 00000000`00000000 fffff6fc`400626d8 fffffa80`00000000 fffffa80`0e8a2a20 : nt! ?? ::FNODOBFM::`string'+0x4149d
fffff880`0b533d60 fffff800`030f6cbf : fffff880`0b534150 fffff880`0151e1cf fffffa80`0fd8c360 fffff880`009ea180 : nt!KiPageFault+0x16e (TrapFrame @ fffff880`0b533d60)
fffff880`0b533ef0 fffff880`01253a41 : fffffa80`0e8a2a20 fffff800`0000c4db 00000000`00000001 00000000`00001000 : nt!MmMapLockedPagesSpecifyCache+0x2c4
fffff880`0b533fc0 fffff880`0125f703 : fffff880`0b534410 fffffa80`0e76a970 fffffa80`10fb9750 fffff980`02988601 : Ntfs!NtfsVerifyAndRevertUsaBlock+0x81
fffff880`0b5340b0 fffff880`01258ec8 : fffff880`0b534410 fffffa80`10fb9750 00000000`00000000 fffffa80`0fd8c360 : Ntfs!NtfsNonCachedIo+0x8a1
fffff880`0b534270 fffff880`01259398 : fffff880`0b534410 fffffa80`10fb9750 fffff880`0b534501 fffffa80`111ee801 : Ntfs!NtfsCommonRead+0x18df
fffff880`0b5343e0 fffff880`01002bcf : fffffa80`10fb9aa8 fffffa80`10fb9750 fffffa80`111ee880 00000000`00000000 : Ntfs!NtfsFsdRead+0x1b8
fffff880`0b5345f0 fffff880`010016df : fffffa80`0e766880 fffffa80`0e766880 fffffa80`0e766800 fffffa80`10fb9750 : fltmgr!FltpLegacyProcessingAfterPreCallbacksCompleted+0x24f
fffff880`0b534680 fffff800`03103689 : fffffa80`10fb9750 fffffa80`0e8a29b0 fffff880`0b534700 fffff880`009ea180 : fltmgr!FltpDispatch+0xcf
fffff880`0b5346e0 fffff800`03103109 : fffffa80`0e650400 fffffa80`0e650400 fffffa80`0e8a29b0 fffffa80`0e650008 : nt!IoPageRead+0x2a9
fffff880`0b534770 fffff800`030e99c9 : 00000000`00000000 00000000`00000000 ffffffff`ffffffff fffff880`03b45000 : nt!MiIssueHardFault+0x255
fffff880`0b534800 fffff800`030d9d2e : 00000000`00000000 fffff980`01c22800 fffff8a0`0034c000 00000000`0000000e : nt!MmAccessFault+0x1399
fffff880`0b534960 fffff800`033dbb37 : 00000004`00000001 00000000`00362800 fffff880`0b534bb8 fffff880`0b534bb0 : nt!KiPageFault+0x16e (TrapFrame @ fffff880`0b534960)
fffff880`0b534af0 fffff880`012f8382 : fffff880`0001d800 fffffa80`0cd4aed0 00000000`00000001 fffffa80`0000000e : nt!CcMapData+0x117
fffff880`0b534bb0 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : Ntfs!NtfsReadMftRecord+0xb2
// Can't enumerate devices, IRP is not present in dump either:
1: kd> !devnode 0 1
Error reading value of IopRootDeviceNode (0xfffff800032e5db0)