Re: [Jack-Devel] Portaudio "queries" on ARM

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Date	Sat, 31 Mar 2012 09:50:43 -0500
From	Chris Caudle <[hidden] at chriscaudle dot org>
To	Ajay Garg <[hidden] at gmail dot com>
Cc	[hidden] at lists dot jackaudio dot org
Follow-Up	Ajay Garg Re: [Jack-Devel] Portaudio "queries" on ARM
Don't run jackd as root.. Use a normal user account, and make sure you
have security.conf set to allow your user group to use realtime
scheduling.

-- 
Chris Caudle


On Sat, March 31, 2012 9:29 am, Ajay Garg wrote:
> audacity-src-2.0.0]$ sudo jackd -d alsa &
>
> [1] 1315
>
> [olpc@xo-c5-b9-6c audacity-src-2.0.0]$ jackdmp 1.9.8
>
> Copyright 2001-2005 Paul Davis and others.
>
> Copyright 2004-2011 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
>
> JACK server starting in realtime mode with priority 10
>
> creating alsa driver ...
hw:0|hw:0|1024|2|48000|0|0|nomon|swmeter|-|32bit
>
> control device hw:0
>
> configuring for 48000Hz, period = 1024 frames (21.3 ms), buffer = 2 periods
>
> ALSA: final selected sample format for capture: 16bit little-endian
>
> ALSA: use 2 periods for capture
>
> ALSA: final selected sample format for playback: 16bit little-endian
>
> ALSA: use 2 periods for playback
>
>
>
>
>
> [olpc@xo-c5-b9-6c audacity-src-2.0.0]$ ps -aux | grep jack
>
> Warning: bad syntax, perhaps a bogus '-'? See
> /usr/share/doc/procps-3.2.8/FAQ
>
> root      1315  0.0  0.3   8676  1532 pts/1    S    17:49   0:00 sudo
jackd -d alsa
>
> root      1318 11.1 20.2  96052 89448 ?        SLsl 17:49   0:01 jackd
-d
> alsa
>
> olpc      1350  0.0  0.1   4196   816 pts/1    S+   17:49   0:00 grep
--color=auto jack
> ###############################################################################################
>
> Server started :-) Thanks Adrian.
>
>
>
>
>
>
> b)
> Next, I re-tested portuadio now, as follows ::
>
> ########################################################################################################
[olpc@xo-c5-b9-6c bin]$ ./pa_devs
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.center_lfe
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.surround40
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.surround41
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.surround50
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.surround51
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.surround71
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.phoneline
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.phoneline
>
> ALSA lib pcm_dmix.c:957:(snd_pcm_dmix_open) The dmix plugin supports
only playback stream
>
> ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave
>
> Cannot connect to server socket err = No such file or directory
>
> Cannot connect to server socket
>
> jack server is not running or cannot be started
>
> PortAudio version number = 1899
>
> PortAudio version text = 'PortAudio V19-devel (built Mar 30 2012 21:41:05)'
>
> Number of devices = 0
>
> ----------------------------------------------
>
>
>
>
> [olpc@xo-c5-b9-6c bin]$ ./paex_sine
>
> PortAudio Test: output sine wave. SR = 44100, BufSize = 64
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.center_lfe
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.surround40
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.surround41
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.surround50
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.surround51
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.surround71
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.phoneline
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.phoneline
>
> ALSA lib pcm_dmix.c:957:(snd_pcm_dmix_open) The dmix plugin supports
only playback stream
>
> ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave
>
> Cannot connect to server socket err = No such file or directory
>
> Cannot connect to server socket
>
> jack server is not running or cannot be started
>
> Error: No default output device.
>
> An error occured while using the portaudio stream
>
> Error number: 0
>
> Error message: Success
> ########################################################################################################
>
> Portaudio still can't get hold of the jack server; god knows why :-(
>
>
>
>
>
>
>
> c)
> As expected, I am stick stuck on my original problem - the same
> startup messages, and still cannot get "Import Audio" to work :-(
>
>
> #########################################################################################################
[olpc@xo-c5-b9-6c audacity-src-2.0.0]$ ./audacity
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.front
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.center_lfe
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.surround40
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.surround41
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.surround50
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.surround51
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.surround71
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.iec958
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.hdmi
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.modem
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.phoneline
>
> ALSA lib pcm.c:2212:(snd_pcm_open_noupdate) Unknown PCM
> cards.pcm.phoneline
>
> ALSA lib pcm_dmix.c:957:(snd_pcm_dmix_open) The dmix plugin supports
only playback stream
>
> ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave
>
> Cannot connect to server socket err = No such file or directory
>
> Cannot connect to server socket
>
> jack server is not running or cannot be started
> #########################################################################################################
>
>
>
>
> Any angel who could come to the rescue?
>
>
>
> Regards,
> Ajay
>
> On Sat, Mar 31, 2012 at 2:57 PM, Adrian Knoth
<[hidden]>
> wrote:
>> On 03/31/2012 07:54 AM, Ajay Garg wrote:
>>> ======= Backtrace: =========
>>> /lib/libc.so.6(+0x6d564)[0x403e3564]
>>> /usr/lib/libffado.so.2(_ZN11DebugModuleD0Ev+0x14)[0x40602ffc]
>> This is, without a doubt, the ffado-termination bug.
>>   http://subversion.ffado.org/ticket/329
>> Either update libffado or remove it from your installation if you don't
have a firewire audio device.
>>> b)
>>> I then removed "jack-audio-connection-kit"; downloaded
>>> "jack-audio-connection-kit-0.121.3.tar.gz"; untarred, did "./waf
configure", "./waf build", "sudo ./waf install"; and tried running
"jackd -d alsa".
>> Who are you trying to fool here? jackd1 (that's 0.121.3) doesn't use
waf, it is autotools based. jackd2, however, uses waf.
>>> However, all I got was ::
>>>                     "Unknown driver "alsa""
>> Instead of CC'ing half of the Internet, you should have run
>>   ./waf --help
>> It would have revealed that you have to pass "--alsa" to configure.
>>> ==================
>>> JACK 1.9.8 exported from r4653
>> See, this is jackd2 configure output, version 1.9.8.
>> HTH
> 
> Jack-Devel mailing list
> [hidden]
> http://lists.jackaudio.org/listinfo.cgi/jack-devel-jackaudio.org
>
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