kd> !irp fffffa800a7f90c0
Irp is active with 18 stacks 15 is current (= 0xfffffa800a7f9580)
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 e0 fffffa8009771a00 00000000 fffff880028c3350-00000000 Success Error Cancel
\Driver\usbccgp STREAM!SCDevWakeCompletionRoutine
Args: 00000000 00000001 00000001 00000000
[ 16, 2] 0 1 fffffa80036ed050 00000000 00000000-00000000 pending
Unable to load image \SystemRoot\system32\DRIVERS\5U877.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for 5U877.sys
*** ERROR: Module load completed but symbols could not be loaded for 5U877.sys
\Driver\5U877
Args: 00000000 00000001 00000001 00000000
[ 16, 2] 0 e1 fffffa800971e660 00000000 00000000-00000000 pending
\Driver\ksthunk
Args: 00000000 00000001 00000001 00000000
[ 0, 0] 0 0 00000000 00000000 00000000-fffffa80085d2870
Args: 00000000 00000000 00000000 00000000
0: kd> lmvm 5U877
start end module name
fffff880`0288c000 fffff880`028c0e80 5U877 T (no symbols)
Loaded symbol image file: 5U877.sys
Image path: \SystemRoot\system32\DRIVERS\5U877.sys
Image name: [COLOR="blue"]5U877.sys[/COLOR]
Timestamp: [COLOR="Red"]Wed Mar 28 10:16:46 2012[/COLOR] (4F7290AE)
CheckSum: 0003A4A4
ImageSize: 00034E80
Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4