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dj_confus
n00b
Joined: 14 Oct 2005
Posts: 2
Location: Gatineau, QC
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 Posted: Sat Oct 15, 2005 6:38 am Post subject: Jack not starting |
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I'm trying to start jack with qjackctl. I'm thinking maybe there's something missing in my ALSA setup?
| Code: |
02:29:03.086 Patchbay deactivated.
02:29:03.113 Statistics reset.
JACK compiled with System V SHM support
02:29:03.159 MIDI connection graph change.
02:29:03.338 MIDI connection change.
02:29:03.541 MIDI connection change.
02:29:53.918 Startup script...
02:29:53.919 artsshell -q terminate
sound server terminated
02:29:54.459 Startup script terminated successfully.
02:29:54.459 JACK is starting...
02:29:54.459 /usr/bin/jackd -R -p64 -dalsa -dhw:0,0 -r44100 -p128 -n2 -P/dev/dsp -o2
02:29:54.484 JACK was started with PID=6009 (0x1779).
jackd 0.99.0
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 ..
apparent rate = 44100
creating alsa driver ... /dev/dsp|-|128|2|44100|0|2|nomon|swmeter|-|32bit
ALSA lib pcm.c:2090:(snd_pcm_open_noupdate) Unknown PCM /dev/dsp
ALSA: Cannot open PCM device alsa_pcm for playback. Falling back to capture-only mode
cannot load driver module alsa
02:29:54.575 JACK was stopped successfully.
02:29:56.526 Could not connect to JACK server as client.
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gimpel
Advocate
Joined: 15 Oct 2004
Posts: 2720
Location: Munich, Bavaria
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| Posted: Sat Oct 15, 2005 9:00 am Post subject: |
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seems it doesn't like -P/dev/dsp
try something simple like
| Code: | | jackd -dalsa -R -r44100 |
maybe the output/playback device in qjackctl is set to /dev/dsp (OSS) instead of 'default' (ALSA)?
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http://proaudio.tuxfamily.org/wiki - pro-audio software overlay
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FishB8
l33t
Joined: 17 Mar 2003
Posts: 820
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| Posted: Sun Oct 16, 2005 12:03 am Post subject: |
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Here's your problem:
| Code: | | Unknown PCM /dev/dsp |
You're trying to open a OSS device with an ALSA backend.
Use "hw:0" instead of "dev/dsp"
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"...as we enjoy great advantages from the inventions of others, we should be glad of an opportunity to serve others by any invention of ours, and this we should do freely and generously." -Benjamin Franklin |
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