PcIrqlIport rule (audio)

The PcIrqlIport rule specifies that a PortCls miniport driver must call PortCls IPort interfaces at the correct IRQL level.

Driver model: Audio

Bug check(s) found with this rule: Bug Check 0xC4: DRIVER_VERIFIER_DETECTED_VIOLATION (0x00071003)

How to test

At run time

To verify this rule, open a Command Prompt window. Enter a Driver Verifier command and specify /domain audio.

For example:

verifier /domain audio [options] /driver <yourdriver>

For more information, see Driver Verifier.