What does BSOD 0xBFF (BC_BTHMINI_VERIFIER_FAULT) mean?

 
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BC_BLUETOOTH_VERIFIER_FAULT SAVER_SICKAPPLICATION

BC_BTHMINI_VERIFIER_FAULT

The BC_BTHMINI_VERIFIER_FAULT bug check has a value of 0x00000BFF. This indicates that The Bluetooth miniport extensible driver verifier has caught a violation.

Bug check 0x00000BFF is raised by the Bluetooth miniport extensible-driver verifier. Parameter 1 selects a miniport-specific violation, while parameters 2 and 3 carry the returned and expected packet type, status, or buffer size when those values are relevant.

Compare the packet returned by the lower transport driver with the original miniport request. A packet-type mismatch, unexpected status, or incorrect byte count should be diagnosed at the completion boundary rather than as a generic Bluetooth verifier failure.

BC_BTHMINI_VERIFIER_FAULT Parameters

Parameter Description
1

The subtype of the Bluetooth verifier fault.

0x1 : An attempt was made to return a packet with type that mis-matched its original request. 2 - Returned packet type 3 - Expected packet type 4 - Reserved 0x2 : An attempt was made to return an unexpected status code and caused the packet to be discarded. 2 - Unexpected return status 3 - Reserved 4 - Reserved 0x3 : Incorrect output buffer size was returned to indicate number of bytes written by the lower transport driver. 2 - Unexpected buffer size 3 - Expected buffer size 4 - Reserved
2 See parameter 1
3 See parameter 1
4 See parameter 1

Resolution

Use the miniport verifier subtype and the transport completion stack to identify the incorrect completion. Verification should replay the same request and confirm that packet type, status, and output length match the original contract.

Blue-screen reference

Microsoft: troubleshoot blue-screen errors


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