On Sun, Jun 30, 2024 at 08:26:06AM +0200, Jan Stary wrote: > This is current/amd64 on a PC (full dmesg below). > I got my hands on an M-Audio Fast Track Ultra 8R, > an USB audio interface; eight tracks, 24/96, nice. > > It doesn't seem to be supported though: > it attaches as an ugen, but no uaudio. > > umidi0 at uhub4 port 2 configuration 1 interface 3 "M-Audio Fast Track Ultra > 8R" rev 2.00/1.51 addr 3 > umidi0: (genuine USB-MIDI) > umidi0: out=1, in=1 > midi0 at umidi0: <USB MIDI I/F> > ugen0 at uhub4 port 2 configuration 1 "M-Audio Fast Track Ultra 8R" rev > 2.00/1.51 addr 3 > > This happens in any USB slot. > > What can I do to debug this? > Is anyone using this on OpenBSD? > > It is an USB-compliant audio device, > macOS and Windows use it just fine.
It seems that the uaudio driver doesn't even try to attach. You could instrument the uaudio_match() kernel function, and try to figure out why it returns UMATCH_NONE for your device.
