[wdmaudiodev] DMUS Port Init Failure
- From: Philip Lukidis <plukidis@xxxxxxxxxxxxx>
- To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Thu, 23 Dec 2010 10:41:37 -0500
Hello,
There is an issue with my DMus MIDI (CLSID_PortDMus) driver initialization on a
third party machine to which I have no access. WPP traces gathered by the
third party via Logman indicate that the IPort::Init interface failed with
status:0xc0000034(STATUS_OBJECT_NAME_NOT_FOUND). My own miniport was
successfully created just prior to this call. Now this only occurs on the
machine's USB 3 port, and there is no issue on the standard EHCI controller
port. I confess I'm not even sure to which name the error refers; it cannot be
the subdevice name registered via PcRegisterSubdevice, as that would be called
after IPort::Init:
http://msdn.microsoft.com/en-us/library/ff538390(VS.85).aspx
Could anyone shed any light on just what the failure could be?
thank you,
Philip Lukidis
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