[PlanetCCRMA] qjackctl not starting

Thu Sep 6 14:05:01 PDT 2007

On Thu, 2007-09-06 at 16:44 -0400, John Dey wrote:
> Hi list,
> 
> It seems that my sound card is not being detected.  I just updated my 
> ccrma.  Sound was working before the update.  Any thoughts and/or 
> suggestion would be greatly appreciated.

Which version of Fedora? What is it that got updated? ("rpm -q -a
--last" will show you a cronological ordered list of package updates). 

What do you see in:

  cat /proc/asound/cards
  cat /proc/asound/devices

What soundcard(s) do you have?
-- Fernando

> 1. System->Administration->Soundcard Detection shows proper sound card 
> as default and plays sample sound.
> 
> 2. Command "speaker-test" does not produce any sound.  Error messages:
> 
> 
> [robo6 at localhost ~]$ speaker-test
> 
> speaker-test 1.0.14
> 
> Playback device is default
> Stream parameters are 48000Hz, S16_LE, 1 channels
> Using 16 octaves of pink noise
> ALSA lib confmisc.c:769:(parse_card) cannot find card ''
> ALSA lib conf.c:3510:(_snd_config_evaluate) function 
> snd_func_card_driver returned error: No such device
> ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
> ALSA lib conf.c:3510:(_snd_config_evaluate) function snd_func_concat 
> returned error: No such device
> 
> 3. Command qjackctl produces error messages:
> 
> 15:32:51.885 MIDI connection change.
> 15:33:00.739 Startup script...
> 15:33:00.739 artsshell -q terminate
> JACK tmpdir identified as [/dev/shm]
> 15:33:00.977 Startup script terminated with exit status=256.
> 15:33:00.977 JACK is starting...
> 15:33:00.977 jackd -R -t200 -dalsa -dhw:0 -r48000 -p512 -n2
> 15:33:00.978 JACK was started with PID=3564 (0xdec).
> jackd 0.103.0
> Copyright 2001-2005 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
> JACK compiled with System V SHM support.
> loading driver ..
> SSE2 detected
> apparent rate = 48000
> creating alsa driver ... hw:0|hw:0|512|2|48000|0|0|nomon|swmeter|-|32bit
> control device hw:0
> ALSA: Cannot open PCM device alsa_pcm for playback. Falling back to 
> capture-only mode
> cannot load driver module alsa
> no message buffer overruns
> 15:33:01.023 JACK was stopped successfully.
> 15:33:01.023 Post-shutdown script...
> 15:33:01.023 killall jackd
> jackd: no process killed
> 15:33:01.249 Post-shutdown script terminated with exit status=256.
> 15:33:03.146 Could not connect to JACK server as client. Please check 
> the messages window for more info.
> JACK tmpdir identified as [/dev/shm]