BSOD during DTM testing with Vista SP1 - Bug Check code 9F

By balamurugan
Feb 12, 2009
  1. I am developing a usb device driver and I got a BSOD during DTM testing with Vista SP1. This does not happen with XP.

    The blue screen is caused by Bug Check code 9F - the Driver Power State Failure. The four parameters 0x00000004, 0x00000258, 0x00000000, 0x00000000.

    When I checked the Parameter 1 values for 0x9F, I don't find 0x00000004 at all. Am I missing anything?

    Please help.
  2. Route44

    Route44 TechSpot Ambassador Posts: 11,979   +71

  3. balamurugan

    balamurugan TS Rookie Topic Starter

    i suspect it could be my generic usb driver. I will check this. Anyway thanks for your reply.
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