M-Audio Oxygen 49: snd_uaudio cycles (loads, detaches, loads.... ad infinitum)

[Mathias Picker]

Am Freitag, den 30.12.2011, 18:07 +0100 schrieb Hans Petter Selasky:
> On Friday 30 December 2011 17:45:31 Mathias Picker wrote:
> > I just got an 3rd gen oxygen 49 midi master keyboard, which is class
> > compliant.
> > 
> > Switching it on gives:
[snip]
> Hi,
> 
> There is a sysctl
> 
> hw.usb.uaudio.debug
> 
> Which you can set to 15, to enable USB audio debugging.
> 
> If the sysctl is not there you need to have "options USB_DEBUG" in your kernel 
> config.
> 
> --HPS

Wow, thanks for the fast response.

Now it looks like this:

Dec 30 18:26:37 mp kernel: ugen5.3: <M-Audio> at usbus5
Dec 30 18:26:37 mp kernel: uaudio1: <M-Audio Oxygen 49, class 0/0, rev
1.00/1.00, addr 3> on usbus5
Dec 30 18:26:37 mp kernel: uaudio_mixer_fill_info: found AC header,
vers=100, len=0
Dec 30 18:26:37 mp kernel: uaudio_mixer_fill_info: Maximum ID=0
Dec 30 18:26:37 mp kernel: uaudio_attach: audio rev 1.00
Dec 30 18:26:37 mp kernel: uaudio_attach: 0 mixer controls
Dec 30 18:26:37 mp kernel: uaudio1: No playback!
Dec 30 18:26:37 mp kernel: uaudio1: No recording!
Dec 30 18:26:37 mp kernel: umidi_bulk_read_callback: start
Dec 30 18:26:37 mp kernel: uaudio1: MIDI sequencer
Dec 30 18:26:37 mp kernel: uaudio_attach: doing child attach
Dec 30 18:26:37 mp kernel: pcm4: <USB audio> on uaudio1
Dec 30 18:26:37 mp kernel: uaudio_attach_sub: emulating master volume
Dec 30 18:26:37 mp kernel: uaudio_mixer_init_sub: 
Dec 30 18:26:38 mp kernel: uaudio1: at uhub5, port 3, addr 3
(disconnected)
Dec 30 18:26:38 mp kernel: uaudio_mixer_uninit_sub: 
Dec 30 18:26:38 mp kernel: pcm4: detached
Dec 30 18:26:38 mp kernel: umidi_bulk_read_callback:
error=USB_ERR_CANCELLED
Dec 30 18:26:39 mp kernel: uaudio1: <M-Audio Oxygen 49, class 0/0, rev
1.00/1.00, addr 3> on usbus5
Dec 30 18:26:39 mp kernel: uaudio_mixer_fill_info: found AC header,
vers=100, len=0
Dec 30 18:26:39 mp kernel: uaudio_mixer_fill_info: Maximum ID=0
Dec 30 18:26:39 mp kernel: uaudio_attach: audio rev 1.00
Dec 30 18:26:39 mp kernel: uaudio_attach: 0 mixer controls
Dec 30 18:26:39 mp kernel: uaudio1: No playback!
Dec 30 18:26:39 mp kernel: uaudio1: No recording!
Dec 30 18:26:39 mp kernel: uaudio1: MIDI sequencer
Dec 30 18:26:39 mp kernel: uaudio_attach: doing child attach
Dec 30 18:26:39 mp kernel: umidi_bulk_read_callback: start
Dec 30 18:26:39 mp kernel: pcm4: <USB audio> on uaudio1
Dec 30 18:26:39 mp kernel: uaudio_attach_sub: emulating master volume
Dec 30 18:26:39 mp kernel: uaudio_mixer_init_sub: 
Dec 30 18:26:40 mp kernel: uaudio1: at uhub5, port 3, addr 3
(disconnected)
Dec 30 18:26:40 mp kernel: uaudio_mixer_uninit_sub: 
Dec 30 18:26:40 mp kernel: pcm4: detached
Dec 30 18:26:40 mp kernel: umidi_bulk_read_callback:
error=USB_ERR_CANCELLED

And I forgot, this is on a 9.0-PRERELEASE #6: Wed Dec 14 17:00:27 CET
2011

Also, cat /dev/sndstat shows:
FreeBSD Audio Driver (newpcm: 64bit 2009061500/amd64)
Installed devices:
pcm0: <HDA ATI R6xx HDMI PCM #0 HDMI> at cad 0 nid 1 on hdac0 kld
snd_hda (1p:1v/0r:0v)
pcm1: <HDA Realtek ALC269 PCM #0 Analog> at cad 0 nid 1 on hdac1 kld
snd_hda (1p:1v/1r:1v) default
pcm2: <HDA Realtek ALC269 PCM #1 Digital> at cad 0 nid 1 on hdac1 kld
snd_hda (1p:1v/0r:0v)
pcm3: <USB audio> at ? kld snd_uaudio (0p:0v/1r:1v)
pcm4: <USB audio> at ? kld snd_uaudio (mixer only)

the moment the oxygen 49 is recognized, and midi devices are there for a
short time:

mp# lf /dev/umidi*
/dev/umidi1.0	/dev/umidi1.10	/dev/umidi1.12	/dev/umidi1.14	/dev/umidi1.2	/dev/umidi1.4	/dev/umidi1.6	/dev/umidi1.8
/dev/umidi1.1	/dev/umidi1.11	/dev/umidi1.13	/dev/umidi1.15	/dev/umidi1.3	/dev/umidi1.5	/dev/umidi1.7	/dev/umidi1.9