虫趣:FAST_MUTEX死锁

拿到一个dump文件后,经过简单分析,是设备驱动在处理电源IRP时,超时未完成导致的。这是一个典型的0x9F BSOD错误:

DRIVER_POWER_STATE_FAILURE (9f)
A driver has failed to complete a power IRP within a specific time (usually 10 minutes).
Arguments:
Arg1: 0000000000000003, A device object has been blocking an Irp for too long a time
Arg2: fffffa800182aa90, Physical Device Object of the stack
Arg3: fffff800139e9930, nt!TRIAGE_9F_POWER on Win7, otherwise the Functional Device Object of the stack
Arg4: fffffa8002437e10, The blocked IRP

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