[PlanetCCRMA] snd_seq loaded but no midi

Fernando Lopez-Lezcano nando@ccrma.Stanford.EDU
Wed May 25 09:32:02 2005


On Wed, 2005-05-25 at 04:10, Kenneth wrote:
> Fernando Lopez-Lezcano wrote:
> 
> >On Tue, 2005-05-24 at 07:13, Kenneth wrote:
> >  
> >
> >>        Hi
> >>
> >>    This is odd. A while back I used chkconfig to get alsa to load the
> >>snd_seq on startup, to get my Radium49 midi keyboard to work. This
> >>worked and I could use midi. However, this has stopped working for
> >>some reason. I can see that snd_seq is loaded, but JACK and Pd doesn´t
> >>see any midi devices available. Checked cable and usb plug. All fine.
> >>
> >>Here´s a listing from lsmod:
> >>snd_usb_audio          67904  3
> >>snd_usb_lib            13824  1 snd_usb_audio
> >>snd_via82xx            30592  0
> >>snd_ac97_codec         76512  1 snd_via82xx
> >>snd_pcm_oss            55716  0
> >>snd_mixer_oss          20224  1 snd_pcm_oss
> >>snd_pcm               113544  6
> >>snd_usb_audio,snd_via82xx,snd_ac97_codec,snd_pcm_oss
> >>snd_timer              36100  2 snd_seq,snd_pcm
> >>snd_page_alloc         10372  2 snd_via82xx,snd_pcm
> >>snd_mpu401_uart        10752  1 snd_via82xx
> >>snd_rawmidi            31008  2 snd_usb_lib,snd_mpu401_uart
> >>snd_seq_device          9484  2 snd_seq,snd_rawmidi
> >>snd                    59748  16
> >>snd_seq,snd_usb_audio,snd_via82xx,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device
> >
> >It looks like the right kernel module is actually loaded
> >(snd-usb-audio). Maybe you need to point pd to use the right device?
> >Check soundcards recognized and devices present by doing:
> >
> >  cat /proc/asound/cards
> >  cat /proc/asound/devices
>
>     Thanks for the answer, however there's still no luck. Cat gives:
> 
> cat /proc/asound/cards 
> 0 [V8235          ]: VIA8233 - VIA 8235
>                      VIA 8235 with CMI9739 at 0xe200, irq 22
> 1 [UA25           ]: USB-Audio - EDIROL UA-25
>                      Roland EDIROL UA-25 at usb-0000:00:10.0-2, full speed
> 
> cat /proc/asound/devices
>   0: [0- 0]: ctl
>  17: [0- 1]: digital audio playback
>  25: [0- 1]: digital audio capture
>  16: [0- 0]: digital audio playback
>  24: [0- 0]: digital audio capture
>   1:       : sequencer
>  33:       : timer
>  32: [1- 0]: ctl
>  48: [1- 0]: digital audio playback
>  56: [1- 0]: digital audio capture
> 
> 	
> 	I'm guessing that starting pd with -mididev 2 would point it to the sequencer in the device list, but that didn't work either.
> 	Also JACK fails to recognize the keyboard as well. Before I would just run pd through JACK and everything was fine.

Ah, pd, of course. Pd (the version at Planet CCRMA, at least) still uses
oss for midi i/o. See if you have the OSS midi devices in /dev ("ls -l
/dev/midi*")

-- Fernando