[wdmaudiodev] Strange Windows 10 problem installing multiple audio drivers

From: "Jeff Pages" <jeff@xxxxxxxxxxxxxxxx>
To: <wdmaudiodev@xxxxxxxxxxxxx>
Date: Mon, 24 Nov 2014 10:35:42 +1100

On a fresh installation of the Windows 10 Preview, I had two of our PCIe
audio cards in the machine, one for DAB radio capture (PCI device ID 3204)
and the other for FM capture (PCI device ID 3101). From Device Manager, I
first installed the DAB card driver. This all went well, as seen in the
setupapi.dev log file...

>>>  [Device Install (DiShowUpdateDevice) -
PCI\VEN_1BC9&DEV_3204&SUBSYS_32041BC9&REV_00\4&2F9FC9E9&0&0008]
>>>  Section start 2014/11/21 15:47:12.098
...
     ndv: {Update Driver Software Wizard exit(00000000)}
<<<  Section end 2014/11/21 15:47:24.958
<<<  [Exit status: SUCCESS]


With the DAB card happily running, I then started installing the driver for
the FM card but this is what happened:

>>>  [Device Install (DiShowUpdateDevice) -
PCI\VEN_1BC9&DEV_3204&SUBSYS_32041BC9&REV_00\4&1C1C19EA&0&00E0]
>>>  Section start 2014/11/21 15:53:19.645

The location string at the end is for the slot the FM card was in, but it's
using the PCI vendor, device and subsystem ID from the DAB card! When it
tried to start the DAB driver on the FM card, the system not surprisingly
blue-screened.


After a reboot, I went back into Device Manager and had another go at
installing the FM driver (still with both cards in the machine and with the
DAB card happily running)...

>>>  [Device Install (DiShowUpdateDevice) -
PCI\VEN_1BC9&DEV_3101&SUBSYS_31011BC9&REV_00\4&1C1C19EA&0&00E0]
>>>  Section start 2014/11/21 16:00:50.335

This time the vendor, device and subsystem ID are correct (note the location
string at the end is the same as the one above where it got the PCI
identifiers wrong) and the FM installation completed successfully:

     ndv: {Update Driver Software Wizard exit(00000000)}
<<<  Section end 2014/11/21 16:01:04.101
<<<  [Exit status: SUCCESS]


This is the first time I've ever seen a system muddle up the PCI identifiers
of cards like this. Hopefully it's just a quirk of the preview release.

Jeff Pages
Innes Corporation


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[wdmaudiodev] Strange Windows 10 problem installing multiple audio drivers

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