!usbkd.usbhcdlistlogs
The !usbkd.usbhcdlistlogs command displays a list of all functional device objects (FDOs) associated with the USB port driver (Usbport.sys). The command also displays the complete debug logs for all EHCI Host Controllers.
!usbkd.usbhcdlistlogs
DLL
Usbkd.dll
Examples
This example shows a portion of the output of the !usbhcdlistlogs command.
0: kd> !usbkd.usbhcdlistlogs
MINIPORT List @ fffff80001e5bbd0
*flink, blink ffffe00001f48018,ffffe00001f48bd8
[0] entry @: ffffe00001f48010 dt usbport!_USBPORT_MINIPORT_DRIVER ffffe00001f48010
UHCI MINIPORT @ ffffe00001f48010 !drvobj ffffe00002000060 regpkt ffffe00001f48048
02. !devobj ffffe00001ca4050 !usbhcdext ffffe00001ca41a0 HFDO 8086 2938 RHPDO ffffe0000213a050
03. !devobj ffffe00001ca7050 !usbhcdext ffffe00001ca71a0 HFDO 8086 2937 RHPDO ffffe00002140050
[1] entry @: ffffe00001f48bd0 dt usbport!_USBPORT_MINIPORT_DRIVER ffffe00001f48bd0
EHCI MINIPORT @ ffffe00001f48bd0 !drvobj ffffe00001fd33a0 regpkt ffffe00001f48c08
01. !devobj ffffe00001ca1050 !usbhcdext ffffe00001ca11a0 HFDO 8086 293c RHPDO ffffe0000213c050
LOG@: ffffe00001ca11b8
>LOG mask = 3ff idx = fff69e8d (28d)
*LOG: ffffe000020191a0 LOGSTART: ffffe00002014000 *LOGEND: ffffe0000201bfe0 # -1
[ 000] ffffe000020191a0 Tmt0 0000000000000000 0000000000000000 0000000000000000
[ 001] ffffe000020191c0 _Pop 0000000000000003 0000000000003000 0000000000000000
...
[ 005] ffffe00002019240 chgZ 0000000000000000 0000000000b7228f 0000000000000000
[ 006] ffffe00002019260 nes- 0000000000000000 0000000000000000 0000000000000000
[ 007] ffffe00002019280 nes+ ffffe00001ca2370 ffffe00001ca2370 00000000000ced39
...
[1014] ffffe00002019060 tmo4 0000000000000000 0000000000000040 ffffe00001ca1c20
...
[1022] ffffe00002019160 xdw2 ffffe00001ca1b88 ffffe00001ca1050 0000000000000002
[1023] ffffe00002019180 xdB0 ffffe00001ca1b88 ffffe00001ca1050 0000000000000000
The command output shows two FDOs that represent UHCI host controllers and one FDO that represents an EHCI host controller. Then the output shows the debug log for the one EHCI host controller.