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!devstack
The !devstack extension displays a formatted view of the device stack associated with a device object.
!devstack DeviceObject
Parameters
DeviceObject
Specifies the device object. This can be the hexadecimal address of the DEVICE_OBJECT structure or the name of the device.
DLL
Kdexts.dll
Additional Information
For information about device stacks, see the Windows Driver Kit (WDK) documentation.
Remarks
If DeviceObject specifies the name of the device but supplies no prefix, the prefix "\Device\" is assumed. Note that this command will check to see if DeviceObject is a valid address or device name before using the expression evaluator.
Here is an example:
kd> !devstack e000000085007b50
!DevObj !DrvObj !DevExt ObjectName
e0000165fff32040 \Driver\kmixer e0000165fff32190
> e000000085007b50 \Driver\swenum e000000085007ca0 KSENUM#00000005
!DevNode e0000165fff2e010 :
DeviceInst is "SW\{b7eafdc0-a680-11d0-96d8-00aa0051e51d}\{9B365890-165F-11D0-A195-0020AFD156E4}"
ServiceName is "kmixer"