!usbkd.hub2_info_from_fdo
La commande !usbkd.hub2_info_from_fdo affiche des informations sur un hub USB.
!usbkd.hub2_info_from_fdo FDO
Paramètres
FDO
Adresse de l’objet de périphérique fonctionnel (FDO) pour un hub USB.
DLL
Usbkd.dll
Exemples
Voici un moyen de trouver l’adresse du FDO d’un hub USB. Commencez par saisir !usbkd.usb2tree.
0: kd> !usbkd.usb2tree
...
2)!ehci_info ffffe00001ca11a0 !devobj ffffe00001ca1050 PCI: VendorId 8086 DeviceId 293c RevisionId 0002
RootHub !hub2_info ffffe000023201a0 !devstack ffffe00002320050
Dans la sortie précédente, l’adresse du FDO pour le hub s’affiche comme argument de la commande suggérée !devstack ffffe00002320050.
Ensuite, transmettez l'adresse du FDO à la commande !hub2_info_from_fdo.
0: kd> !usbkd.hub2_info_from_fdo ffffe00002320050
usbhubext
*****************************************************************************
FDO ffffe00002320050 PDO ffffe0000213c050 HubNumber# 3
dt USBHUB!_DEVICE_EXTENSION_HUB ffffe000023201a0
!usbhublog ffffe000023201a0
RemoveLock ffffe00002320668
FdoFlags ffffe00002320ba0
CurrentPowerIrp: System (0000000000000000) Device (0000000000000000)
ObjReferenceList: !usblist ffffe00002320b70, RL
ExceptionList: !usblist ffffe00002321498, EL [Empty]
DmTimerListHead: !usblist ffffe00002321040, TL [Empty]
PdoRemovedListHead: !usblist ffffe00002321478, PL [Empty]
PdoPresentListHead: !usblist ffffe00002321468, PL
WorkItemListHead: !usblist ffffe00002320c80, WI [Empty]
SshBusyListHead: !usblist ffffe00002320dc0, BL
## PnP FUNC HISTORY (latest at bottom)
01. IRP_MN_QUERY_DEVICE_RELATIONS
...
## POWER FUNC HISTORY (latest at bottom)
01. IRP_MN_QUERY_POWER - PowerSystemHibernate
...
## HARD RESET STATE HISTORY (latest at bottom)
## EVENT STATE NEXT
01. HRE_Pause HReset_WaitReady HReset_Paused
...
## PNP STATE HISTORY (latest at bottom)
## EVENT STATE NEXT
01. Ev_SYSTEM_POWER FDO_WaitPnpStop FDO_WaitPnpStop
...
## POWER STATE HISTORY (latest at bottom)
## EVENT STATE NEXT
01. Ev_SET_POWER_S0 FdoSx_Dx FdoWaitS0IoComplete_Dx
...
## BUS STATE HISTORY (latest at bottom)
## EVENT STATE NEXT
01. BE_BusSuspend BS_BusPause BS_BusSuspend
...
SSH_EnabledStatus: [SSH_ENABLED_VIA_POWER_POLICY]
## SSH STATE HISTORY (latest at bottom)
## EVENT STATE NEXT
01. SSH_Event_ResumeHubComplete SSH_State_HubPendingResume SSH_State_HubActive
...
## PORT DATA
PortData 1: !port2_info ffffe000021bf000 Port State = PS_WAIT_CONNECT PortChangeLock: 0, Pcq_State: Pcq_Run_Idle
PDO 0000000000000000
...