Issue with using a compiled ac97 audio driver from the sample code

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vayne3000

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I am getting no sound when using a compiled ac97 audio driver from WDK 8.1's sample code in a Windows 7 x86 VM and in a Windows Server 2003 x86 VM.

Both are being ran via VirtualBox 6.0.20.

I have noticed that there is a CIV is out of range error being mentioned in the debug output shown in WinDbg.

I chatted with a developer who told me that its possibly an issue with its MAX_BDL_ENTRIES code.

The debug output that I get when changing DBG_DEFAULLT to DBG_ALL in the proper line of code found in its debug.h file can be found at View Paste sMMJH.

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