[linux-audio-user] setting virmidi in modules.conf makes an jack error?

Frank Barknecht fbar at footils.org
Thu Feb 12 18:08:18 EST 2004


Hallo,
Piotr Sawicki hat gesagt: // Piotr Sawicki wrote:

> Hi,
> I have problems with configuring virmidi and running jack.
> According to howto from:
> http://linux-sound.org/quick-toots/4-sequencers_and_softsynths/quick-toot-midisynth_howto.html
> 
> I have set /etc/modules.conf like this:
> 
> above snd-ice1712 snd-pcm-oss
> # Configure support for OSS /dev/sequencer and
> # /dev/music (aka /dev/sequencer2)
> # (Takashi Iwai advises that it is unnecessary
> # to alias these services beyond the first card, i.e., card 0)
> alias sound-service-0-1 snd-seq-oss
> alias sound-service-0-8 snd-seq-oss
> 
> # Configure card 1 (second card) as a virtual MIDI card
> alias sound-slot-1 snd-card-1
> alias snd-card-1 snd-virmidi
> 
> alias sound-slot-0 snd-ice1712
> 
> 
> Then I want to run qjackctl as usual, but I get an error:
> 
> could not connect to jack server as client
> 
> and when I type in console:
> [root at pececik piotr]# jackd -d alsa -d hw:0
> jackd 0.94.3
> Copyright 2001-2003 Paul Davis and others.
> jackd comes with ABSOLUTELY NO WARRANTY
> This is free software, and you are welcome to redistribute it
> under certain conditions; see the file COPYING for details
> 
> loading driver ..
> creating alsa driver ... hw:0|hw:0|1024|2|48000|0|0|nomon|swmeter|rt|32bit
> ALSA lib pcm_hw.c:1055:(snd_pcm_hw_open) open /dev/snd/pcmC0D0p failed: 
> No such file or directory
> jackd: pcm.c:687: snd_pcm_nonblock: Assertion `pcm' failed.
> Aborted (core dumped)
> [root at pececik piotr]#
> 
> If I comment these lines in modules.conf and restart alsa, everything 
> works perfectly, so what am I doing wrong?

Which kernel are you running? You didn't define snd-card-0, maybe
that's an error? Could you post "lsmod | grep snd" while virmidi is
active? And "cat /proc/asound/cards" ?

ciao
-- 
 Frank Barknecht                               _ ______footils.org__



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