Hello Jeff, > I've noticed that occasionally > IMiniportWavePciStream::MappingAvailable is > called at dispatch level, even though the documentation says it's supposed > to be only called at passive level. I already wrote about this issue here and made a comment to MSDN Library (http://msdn2.microsoft.com/en-us/library/ms792536.aspx). No answers from MS staff, no updates to MSDN Library docs :( Regards, Eugene ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.com/