节点Device (P2P0)的子节点Device (S1F0)存在后还原原来的_CTXT放入ACPI!gReadyQueue

节点Device (P2P0)的子节点Device (S1F0)存在后还原原来的_CTXT放入ACPI!gReadyQueue

if (state->RunCompletion) {

if (state->CompletionHandlerType ==

PCISUPP_COMPLETION_HANDLER_PFNAA) {

simpleCompletion = (PFNAA)state->CompletionHandler;

simpleCompletion(state->CompletionContext);

}

1: kd> u 0xf7420914

ACPI!RestartCtxtCallback [d:\srv03rtm\base\busdrv\acpi\driver\amlinew\sched.c @ 401]:

f7420914 55 push ebp

f7420915 8bec mov ebp,esp

f7420917 56 push esi

f7420918 8b7508 mov esi,dword ptr [ebp+8]

f742091b 57 push edi

f742091c 6a01 push 1

f742091e bf603f43f7 mov edi,offset ACPI!`string' (f7433f60)

f7420923 57 push edi

VOID EXPORT RestartCtxtCallback(PCTXTDATA pctxtdata)

{

TRACENAME("RESTARTCTXTCALLBACK")

PCTXT pctxt = CONTAINING_RECORD(pctxtdata, CTXT, CtxtData);

ENTER(2, ("RestartCtxtCallback(pctxt=%x)\n", pctxt));

ASSERT(pctxt->dwSig == SIG_CTXT);

LOGSCHEDEVENT('RSCB', (ULONG_PTR)pctxt, 0, 0);

RestartContext(pctxt,

(BOOLEAN)((pctxt->dwfCtxt & CTXTF_ASYNC_EVAL) == 0));

EXIT(2, ("RestartCtxtCallback!\n"));

} //RestartCtxtCallback

1: kd> g

Breakpoint 42 hit

eax=00000000 ebx=898a8a10 ecx=8997e000 edx=00002707 esi=897e4000 edi=f7433f60

eip=f74207d4 esp=f791ab60 ebp=f791ab84 iopl=0 nv up ei pl zr na pe nc

cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00000246

ACPI!RestartContext:

f74207d4 55 push ebp

1: kd> kc

00 ACPI!RestartContext

01 ACPI!RestartCtxtCallback

02 ACPI!PciConfigSpaceHandlerWorker

03 ACPI!GetPciAddressWorker

04 ACPI!GetPciAddressWorker

05 ACPI!ACPIGetWorkerForInteger

06 ACPI!AsyncCallBack

07 ACPI!RunContext

08 ACPI!DispatchCtxtQueue

09 ACPI!StartTimeSlicePassive

0a ACPI!ACPIWorker

0b nt!PspSystemThreadStartup

0c nt!KiThreadStartup

1: kd> dv

pctxt = 0x897e4000

fDelayExecute = 0x00 ''

1: kd> p

eax=00000000 ebx=898a8a10 ecx=8997e000 edx=00002707 esi=897e4000 edi=f7433f60

eip=f74207d8 esp=f791ab58 ebp=f791ab5c iopl=0 nv up ei pl zr na pe nc

cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00000246

ACPI!RestartContext+0x4:

f74207d8 6a01 push 1

1: kd> dx -r1 ((ACPI!_ctxt *)0x897e4000)

((ACPI!_ctxt *)0x897e4000) : 0x897e4000 [Type: _ctxt *]

+0x000\] dwSig : 0x54585443 \[Type: unsigned long

+0x004\] pbCtxtEnd : 0x897e6000 : 0x43 \[Type: unsigned char \*

+0x008\] listCtxt \[Type: _List

+0x010\] listQueue \[Type: _List

+0x018\] pplistCtxtQueue : 0x0 \[Type: _List \* \*

+0x01c\] plistResources : 0x0 \[Type: _List \*

+0x020\] dwfCtxt : 0x120 \[Type: unsigned long

+0x024\] pnsObj : 0x8996d684 \[Type: _NSObj \*

+0x028\] pnsScope : 0x8996d684 \[Type: _NSObj \*

+0x02c\] powner : 0x897e40e0 \[Type: _objowner \*

+0x030\] pcall : 0x897e5f34 \[Type: _call \*

+0x034\] pnctxt : 0x0 \[Type: _nestedctxt \*

+0x038\] dwSyncLevel : 0x0 \[Type: unsigned long

+0x03c\] pbOp : 0x8996d6e2 : 0x0 \[Type: unsigned char \*

+0x040\] Result \[Type: _ObjData

+0x054\] pfnAsyncCallBack : 0xf7407364 \[Type: void (__cdecl\*)(_NSObj \*,long,_ObjData \*,void \*)

+0x058\] pdataCallBack : 0x899bfc3c \[Type: _ObjData \*

+0x05c\] pvContext : 0x899bfc10 \[Type: void \*

+0x060\] Timer \[Type: _KTIMER

+0x088\] Dpc \[Type: _KDPC

+0x0a8\] pheapCurrent : 0x897e40bc \[Type: _heap \*

+0x0ac\] CtxtData \[Type: _ctxtdata

+0x0bc\] LocalHeap \[Type: _heap

1: kd> dx -r1 (*((ACPI!_heap *)0x897e40bc))

(*((ACPI!_heap *)0x897e40bc)) [Type: _heap]

+0x000\] dwSig : 0x50414548 \[Type: unsigned long

+0x004\] pbHeapEnd : 0x897e5dac : 0x41 \[Type: unsigned char \*

+0x008\] pheapHead : 0x897e40bc \[Type: _heap \*

+0x00c\] pheapNext : 0x0 \[Type: _heap \*

+0x010\] pbHeapTop : 0x897e4130 : 0x0 \[Type: unsigned char \*

+0x014\] plistFreeHeap : 0x0 \[Type: _List \*

+0x018\] Heap \[Type: _heapobjhdr

1: kd> dt framehdr 0x897e5dac

ACPI!FRAMEHDR

+0x000 dwSig : 0x4f464341

+0x004 dwLen : 0x48

+0x008 dwfFrame : 2

+0x00c pfnParse : 0xf741957d long ACPI!ReadFieldObj+0

1: kd> u f741957d

ACPI!ReadFieldObj [d:\srv03rtm\base\busdrv\acpi\driver\amlinew\object.c @ 588]:

f741957d 55 push ebp

f741957e 8bec mov ebp,esp

f7419580 837d1000 cmp dword ptr [ebp+10h],0

f7419584 53 push ebx

f7419585 56 push esi

f7419586 8b750c mov esi,dword ptr [ebp+0Ch]

f7419589 57 push edi

f741958a b8d80143f7 mov eax,offset ACPI!`string' (f74301d8)

windbg> .open -a fffffffff741957d

1: kd> dt ACCFIELDOBJ 0x897e5dac

ACPI!ACCFIELDOBJ

+0x000 FrameHdr : _framehdr

+0x010 pdataObj : 0x8996d65c _ObjData

+0x014 pbBuff : 0x897e4124 ""

+0x018 pbBuffEnd : 0x897e4128 ""

+0x01c dwAccSize : 4

+0x020 dwcAccesses : 1

+0x024 dwDataMask : 0xffffffff

+0x028 iLBits : 0n32

+0x02c iRBits : 0n0

+0x030 iAccess : 0n0

+0x034 dwData : 0x77415ad

+0x038 fd : _FieldDesc

1: kd> dx -id 0,0,899a2278 -r1 (*((ACPI!_FieldDesc *)0x897e5de4))

(*((ACPI!_FieldDesc *)0x897e5de4)) [Type: _FieldDesc]

+0x000\] dwByteOffset : 0x0 \[Type: unsigned long

+0x004\] dwStartBitPos : 0x0 \[Type: unsigned long

+0x008\] dwNumBits : 0x20 \[Type: unsigned long

+0x00c\] dwFieldFlags : 0x3 \[Type: unsigned long

1: kd> dx -id 0,0,899a2278 -r1 ((ACPI!_ObjData *)0x8996d65c)

((ACPI!_ObjData *)0x8996d65c) : 0x8996d65c [Type: _ObjData *]

+0x000\] dwfData : 0x0 \[Type: unsigned short

+0x002\] dwDataType : 0x5 \[Type: unsigned short

+0x004\] dwRefCount : 0x0 \[Type: unsigned long

+0x004\] pdataBase : 0x0 \[Type: _ObjData \*

+0x008\] dwDataValue : 0x0 \[Type: unsigned long

+0x008\] uipDataValue : 0x0 \[Type: unsigned long

+0x008\] pnsAlias : 0x0 \[Type: _NSObj \*

+0x008\] pdataAlias : 0x0 \[Type: _ObjData \*

+0x008\] powner : 0x0 \[Type: void \*

+0x00c\] dwDataLen : 0x14 \[Type: unsigned long

+0x010\] pbDataBuff : 0x8996d590 : 0x0 \[Type: unsigned char \*

1: kd> dt fieldunitobj 0x8996d590

ACPI!FIELDUNITOBJ

+0x000 FieldDesc : _FieldDesc

+0x010 pnsFieldParent : 0x8996d5fc _NSObj

1: kd> dx -id 0,0,899a2278 -r1 (*((ACPI!_FieldDesc *)0x8996d590))

(*((ACPI!_FieldDesc *)0x8996d590)) [Type: _FieldDesc]

+0x000\] dwByteOffset : 0x0 \[Type: unsigned long

+0x004\] dwStartBitPos : 0x0 \[Type: unsigned long

+0x008\] dwNumBits : 0x20 \[Type: unsigned long

+0x00c\] dwFieldFlags : 0x3 \[Type: unsigned long

1: kd> dx -id 0,0,899a2278 -r1 ((ACPI!_NSObj *)0x8996d5fc)

((ACPI!_NSObj *)0x8996d5fc) : 0x8996d5fc [Type: _NSObj *]

+0x000\] list \[Type: _List

+0x008\] pnsParent : 0x8996d45c \[Type: _NSObj \*

+0x00c\] pnsFirstChild : 0x0 \[Type: _NSObj \*

+0x010\] dwNameSeg : 0x0 \[Type: unsigned long

+0x014\] hOwner : 0x899af330 \[Type: void \*

+0x018\] pnsOwnedNext : 0x8996d5b8 \[Type: _NSObj \*

+0x01c\] ObjData \[Type: _ObjData

+0x030\] Context : 0x0 \[Type: void \*

+0x034\] dwRefCount : 0x0 \[Type: unsigned long

1: kd> dx -id 0,0,899a2278 -r1 (*((ACPI!_ObjData *)0x8996d618))

(*((ACPI!_ObjData *)0x8996d618)) [Type: _ObjData]

+0x000\] dwfData : 0x0 \[Type: unsigned short

+0x002\] dwDataType : 0x83 \[Type: unsigned short

+0x004\] dwRefCount : 0x0 \[Type: unsigned long

+0x004\] pdataBase : 0x0 \[Type: _ObjData \*

+0x008\] dwDataValue : 0x0 \[Type: unsigned long

+0x008\] uipDataValue : 0x0 \[Type: unsigned long

+0x008\] pnsAlias : 0x0 \[Type: _NSObj \*

+0x008\] pdataAlias : 0x0 \[Type: _ObjData \*

+0x008\] powner : 0x0 \[Type: void \*

+0x00c\] dwDataLen : 0x4 \[Type: unsigned long

+0x010\] pbDataBuff : 0x8996d0dc : 0xb8 \[Type: unsigned char \*

1: kd> dt fieldobj 0x8996d0dc

ACPI!FIELDOBJ

+0x000 pnsBase : 0x8996d5b8 _NSObj

1: kd> dx -id 0,0,899a2278 -r1 ((ACPI!_NSObj *)0x8996d5b8)

((ACPI!_NSObj *)0x8996d5b8) : 0x8996d5b8 [Type: _NSObj *]

+0x000\] list \[Type: _List

+0x008\] pnsParent : 0x8996d45c \[Type: _NSObj \*

+0x00c\] pnsFirstChild : 0x0 \[Type: _NSObj \*

+0x010\] dwNameSeg : 0x53474552 \[Type: unsigned long

+0x014\] hOwner : 0x899af330 \[Type: void \*

+0x018\] pnsOwnedNext : 0x8996d518 \[Type: _NSObj \*

+0x01c\] ObjData \[Type: _ObjData

+0x030\] Context : 0x8996d45c \[Type: void \*

+0x034\] dwRefCount : 0x0 \[Type: unsigned long

1: kd> db 0x8996d5b8

8996d5b8 18 d5 96 89 fc d5 96 89-5c d4 96 89 00 00 00 00 ........\.......

8996d5c8 52 45 47 53 30 f3 9a 89-18 d5 96 89 00 00 0a 00 REGS0...........

8996d5d8 00 00 00 00 00 00 00 00-18 00 00 00 a0 d4 96 89 ................

8996d5e8 5c d4 96 89 00 00 00 00-48 4e 53 4f 44 00 00 00 \.......HNSOD...

8996d5f8 00 90 96 89 b8 d5 96 89-40 d6 96 89 5c d4 96 89 ........@...\...

8996d608 00 00 00 00 00 00 00 00-30 f3 9a 89 b8 d5 96 89 ........0.......

8996d618 00 00 83 00 00 00 00 00-00 00 00 00 04 00 00 00 ................

8996d628 dc d0 96 89 00 00 00 00-00 00 00 00 48 4e 53 4f ............HNSO

1: kd> db 0x8996d45c

8996d45c 98 d2 96 89 60 d8 96 89-78 cd 96 89 d4 d4 96 89 ....`...x.......

8996d46c 53 31 46 30 30 f3 9a 89-98 d2 96 89 00 00 06 00 S1F00...........

8996d47c 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................

8996d48c 88 8c 96 89 00 00 00 00-48 4f 52 47 34 00 00 00 ........HORG4...

8996d49c 00 90 96 89 00 00 00 00-04 00 00 00 02 00 00 00 ................

8996d4ac 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 ................

8996d4bc 00 00 00 00 00 00 00 00-00 00 00 00 48 4e 53 4f ............HNSO

8996d4cc 44 00 00 00 00 90 96 89-1c d8 96 89 18 d5 96 89 D...............

1: kd> dx -id 0,0,899a2278 -r1 (*((ACPI!_ObjData *)0x8996d5d4))

(*((ACPI!_ObjData *)0x8996d5d4)) [Type: _ObjData]

+0x000\] dwfData : 0x0 \[Type: unsigned short

+0x002\] dwDataType : 0xa \[Type: unsigned short

+0x004\] dwRefCount : 0x0 \[Type: unsigned long

+0x004\] pdataBase : 0x0 \[Type: _ObjData \*

+0x008\] dwDataValue : 0x0 \[Type: unsigned long

+0x008\] uipDataValue : 0x0 \[Type: unsigned long

+0x008\] pnsAlias : 0x0 \[Type: _NSObj \*

+0x008\] pdataAlias : 0x0 \[Type: _ObjData \*

+0x008\] powner : 0x0 \[Type: void \*

+0x00c\] dwDataLen : 0x18 \[Type: unsigned long

+0x010\] pbDataBuff : 0x8996d4a0 : 0x0 \[Type: unsigned char \*

1: kd> dt opregionobj 0x8996d4a0

ACPI!OPREGIONOBJ

+0x000 uipOffset : 0

+0x004 dwLen : 4

+0x008 bRegionSpace : 0x2 ''

+0x009 reserved : [3] ""

+0x00c RegionBusy : 0n0

+0x010 listLock : 0

+0x014 plistWaiters : (null)

Device (S1F0)

{

Name (_ADR, Zero) // _ADR: Address

Name (_SUN, 0x40) // _SUN: Slot User Number

OperationRegion (REGS, PCI_Config, 0x00, 0x04)

Field (REGS, DWordAcc, NoLock, Preserve)

{

ID, 32

}

Method (_STA, 0, NotSerialized) // _STA: Status

{

Return (BSTA (ID))

}

if (KeGetCurrentIrql() < DISPATCH_LEVEL)

{

AcquireMutex(&gReadyQueue.mutCtxtQ);

rc = InsertReadyQueue(pctxt, fDelayExecute);

ReleaseMutex(&gReadyQueue.mutCtxtQ);

}

1: kd> dx -r1 (*((ACPI!_ctxtq *)0xf743a928))

(*((ACPI!_ctxtq *)0xf743a928)) [Type: _ctxtq]

+0x000\] dwfCtxtQ : 0x0 \[Type: unsigned long

+0x004\] pkthCurrent : 0x89981ca0 \[Type: _KTHREAD \*

+0x008\] pctxtCurrent : 0x89857000 \[Type: _ctxt \*

+0x00c\] plistCtxtQ : 0x8985a010 \[Type: _List \*

+0x010\] dwmsTimeSliceLength : 0x64 \[Type: unsigned long

+0x014\] dwmsTimeSliceInterval : 0x64 \[Type: unsigned long

+0x018\] pfnPauseCallback : 0x0 \[Type: void (__cdecl\*)(void \*)

+0x01c\] PauseCBContext : 0x0 \[Type: void \*

+0x020\] mutCtxtQ \[Type: _mutex

+0x028\] Timer \[Type: _KTIMER

+0x050\] DpcStartTimeSlice \[Type: _KDPC

+0x070\] DpcExpireTimeSlice \[Type: _KDPC

+0x090\] WorkItem \[Type: _WORK_QUEUE_ITEM

1: kd> dx -r1 ((ACPI!_List *)0x8985a010)

((ACPI!_List *)0x8985a010) : 0x8985a010 [Type: _List *]

[+0x000] plistPrev : 0x897e4010[Type: _List *]

+0x004\] plistNext : 0x8985c010 \[Type: _List \*