1: kd> !analyze -show 0x9F 0x3
DRIVER_POWER_STATE_FAILURE (9f)
A driver has failed to complete a power IRP within a specific time.
Arguments:
Arg1: 0000000000000003, A device object has been blocking an Irp for too long a time
Arg2: 0000000000000000, Physical Device Object of the stack
Arg3: 0000000000000000, nt!_TRIAGE_9F_POWER on Win7 and higher, otherwise the Functional Device Object of the stack
Arg4: 0000000000000000, The blocked IRP