0: kd> !irp fffffa8009c055f0 1
Irp is active with 9 stacks 8 is current (= 0xfffffa8009c058b8)
No Mdl: No System Buffer: Thread 00000000: Irp stack trace.
Flags = 00000000
ThreadListEntry.Flink = fffffa8009c05610
ThreadListEntry.Blink = fffffa8009c05610
IoStatus.Status = 00000000
IoStatus.Information = 00000000
RequestorMode = 00000000
Cancel = 00
CancelIrql = 0
ApcEnvironment = 00
UserIosb = 00000000
UserEvent = 00000000
Overlay.AsynchronousParameters.UserApcRoutine = 00000000
Overlay.AsynchronousParameters.UserApcContext = 00000000
Overlay.AllocationSize = 00000000 - 00000000
CancelRoutine = 00000000
UserBuffer = 00000000
&Tail.Overlay.DeviceQueueEntry = fffffa8009c05668
Tail.Overlay.Thread = 00000000
Tail.Overlay.AuxiliaryBuffer = 00000000
Tail.Overlay.ListEntry.Flink = fffffa8007834b48
Tail.Overlay.ListEntry.Blink = fffff8000323cb00
Tail.Overlay.CurrentStackLocation = fffffa8009c058b8
Tail.Overlay.OriginalFileObject = 00000000
Tail.Apc = 00000000
Tail.CompletionKey = 00000000
cmd flg cl Device File Completion-Context
[ 0, 0] 0 0 00000000 00000000 00000000-00000000
Args: 00000000 00000000 00000000 00000000
[ 0, 0] 0 0 00000000 00000000 00000000-00000000
Args: 00000000 00000000 00000000 00000000
[ 0, 0] 0 0 00000000 00000000 00000000-00000000
Args: 00000000 00000000 00000000 00000000
[ 0, 0] 0 0 00000000 00000000 00000000-00000000
Args: 00000000 00000000 00000000 00000000
[ 0, 0] 0 0 00000000 00000000 00000000-00000000
Args: 00000000 00000000 00000000 00000000
[ 0, 0] 0 0 00000000 00000000 00000000-00000000
Args: 00000000 00000000 00000000 00000000
[ 0, 0] 0 0 00000000 00000000 00000000-00000000
Args: 00000000 00000000 00000000 00000000
>[ 16, 2] 0 e1 fffffa800a029e20 00000000 fffff80003080ce0-fffffa800a16dc90 Success Error Cancel pending
[COLOR=Red][B] Unable to load image \SystemRoot\system32\DRIVERS\SynTP.sys,[/B][/COLOR] Win32 error 0n2
*** WARNING: [COLOR=Red][B]Unable to verify timestamp for SynTP.sys[/B][/COLOR]
*** [COLOR=Red][B]ERROR: Module load completed but symbols could not be loaded for SynTP.sys[/B][/COLOR]
\Driver\SynTP nt!IopUnloadSafeCompletion
Args: 00014400 00000001 00000004 00000002
[ 0, 0] 0 0 00000000 00000000 00000000-fffffa800df7c010
Args: 00000000 00000000 00000000 00000000
0: kd> !devobj fffffa800a029e20
Device object (fffffa800a029e20) is for:
InfoMask field not found for _OBJECT_HEADER at fffffa800a029df0
\Driver\SynTP DriverObject fffffa800a00dd30
Current Irp 00000000 RefCount 0 Type 00000027 Flags 00002004
DevExt fffffa800a02bb00 DevObjExt fffffa800a029f90
ExtensionFlags (0x00000800)
Unknown flags 0x00000800
AttachedDevice (Upper) fffffa800a038060 \Driver\mouclass
AttachedTo (Lower) fffffa800a02e9f0 \Driver\[COLOR=Red][B]i8042prt[/B][/COLOR]
Device queue is not busy.