I found the problem. The error was in the .asoundrc file.
The line "0 pcm:playback_1" should have been "0 system:playback_1"
On 8 August 2011 16:15, Ian Leonard <i...@smallworld.cx> wrote:
> Hi,
>
> I am having trouble getting alsa and jackd to work on Fedora14. I have had
> this working on a much older version.
>
> I have disabled pulseaudio by removing the rpm (I hope this is enough).
>
> My .asoundrc file looks like this:
>
> # use this as default
> pcm.!default {
> type plug
> slave { pcm "jack" }
> }
>
> pcm.jack {
> type jack
> playback_ports {
> 0 alsa_pcm:playback_1
> 1 alsa_pcm:playback_2
> }
>
> capture_ports {
> 0 alsa_pcm:capture_1
> 1 alsa_pcm:capture_2
> }
> }
>
> I run jackd and get this:
>
> jackdmp 1.9.5
> Copyright 2001-2005 Paul Davis and others.
> Copyright 2004-2009 Grame.
> jackdmp 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
> no message buffer overruns
> no message buffer overruns
> JACK server starting in realtime mode with priority 20
> audio_reservation_init
> Acquire audio card Audio0
> creating alsa driver ... hw:0|hw:0|1024|2|48000|0|0|nomon|swmeter|-|32bit
> Using ALSA driver HDA-Intel running on card 0 - HDA Intel at 0xe0280000 irq
> 46
> configuring for 48000Hz, period = 1024 frames (21.3 ms), buffer = 2 periods
> ALSA: final selected sample format for capture: 32bit integer little-endian
> ALSA: use 2 periods for capture
> ALSA: final selected sample format for playback: 32bit integer
> little-endian
> ALSA: use 2 periods for playback
> Using port names patch v0.1 (07.04.2010)
>
>
> I then run aplay:
>
> # aplay /tmp/test.wav
> jack_client_new: deprecated
> Playing WAVE '/tmp/test.wav' : Signed 16 bit Little Endian, Rate 48000 Hz,
> Mono
> cannot connect alsa-jack.jackP.29854.0:out_000 to alsa_pcm:playback_1
> aplay: pcm_write:1603: write error: Input/output error
>
> while jackd gives:
>
> Unknown destination port in attempted (dis)connection src_name
> [alsa-jack.jackP.29854.0:out_000] dst_name [alsa_pcm:playback_1]
>
>
> Without jack, the wav file plays fine an alsamixer works. It looks like
> jackd doesn't know how to talk to alsa but it has read the .asoundrc file.
> I have the following installed:
>
> qjackctl-0.3.8-1.fc14.i686
> jack-audio-connection-kit-1.9.5-1.fc14.i686
> alsa-plugins-jack-1.0.22-1.fc13.i686
> jack_capture-0.9.56-1.fc14.1.i686
>
>
> Any help appreciated.
>
> --
> Ian
>
--
Ian
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