如何從windbg獲取有關設備堆棧的信息

Question

I have a setup in which host is win8 and guest on virtual machine is also win8. 
Running windbg on host and debuggin guest on virtual machine throgh pipe. 
          Now i want to analyse how a device stack is built internally for a keboard. 
 For this when i run 

 "!drvobj kbdclass"

 on windbg it doesnt show up any keyboard device object in guest,Below is the output     
 what i get

 kd> !drvobj kbdclass
 Driver object (862357d0) is for:
 \Driver\kbdclass
 Driver Extension List: (id , addr)

 Device Object list:
 862480e8 

Answer 1

plz，使用！devstack擴展命令。

例如）！devstack 862480e8

！devstack

！devstack擴展名顯示與設備對象關聯的設備堆棧的格式化視圖。

!devstack DeviceObject 

參數

DeviceObject指定設備對象。 這可以是DEVICE_OBJECT結構的十六進制地址，也可以是設備的名稱。

DLL Windows 2000 Kdextx86.dll

Windows XP和更高版本的Kdexts.dll