Irp is active with 4 stacks 3 is current (= 0xfffffa800792ddf0)
No Mdl: No System Buffer: Thread 00000000: Irp stack trace.
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
>[ 16, 2] 0 e1 fffffa8008c2c040 00000000 00000000-00000000 pending
*** WARNING: Unable to verify timestamp for nvlddmkm.sys
*** ERROR: Module load completed but symbols could not be loaded for nvlddmkm.sys
\Driver\nvlddmkm
Args: 00000000 00000001 00000004 00000000
[ 0, 0] 0 0 00000000 00000000 00000000-fffffa8009c922d0
Args: 00000000 00000000 00000000 00000000
0: kd> !devobj fffffa8008c2c040
Device object (fffffa8008c2c040) is for:
InfoMask field not found for _OBJECT_HEADER at fffffa8008c2c010
\Driver\nvlddmkm DriverObject fffffa8008ba1280
Current Irp 00000000 RefCount 0 Type 00000023 Flags 00002004
DevExt fffffa8008c2c190 DevObjExt fffffa8008c2cb48
ExtensionFlags (0x00000800) DOE_DEFAULT_SD_PRESENT
Characteristics (0x00000100) FILE_DEVICE_SECURE_OPEN
AttachedTo (Lower) fffffa8006fc4e40 \Driver\ACPI
Device queue is not busy.
0: kd> lmvm nvlddmkm
start end module name
fffff880`0564d000 fffff880`060eb000 nvlddmkm T (no symbols)
Loaded symbol image file: nvlddmkm.sys
Image path: \SystemRoot\system32\DRIVERS\nvlddmkm.sys
Image name: nvlddmkm.sys
[COLOR=Red] Timestamp: Sat Dec 29 12:17:52 2012[/COLOR] (50DE9218)
CheckSum: 00A7F96C
ImageSize: 00A9E000
Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4