[PlanetCCRMA] JACK configuration

Bob Bailey bob@digisonus.com
Sat Apr 9 07:02:01 2005


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Mark,

I had enabled the alsa sound start up script with '/sbin/chkconfig
alsasound on' 

cat /proc/asound/version:

Advanced Linux Sound Architecture Driver Version 1.0.9rc1.
Compiled on Mar 22 2005 for kernel 2.6.10-2.1.11.rhfc2.ccrma.

cat /proc/asound/cards:

0 [M410        ]: ICE1712 - M Audio Delta 410
                       M Audio Delta 410 at 0xd000, irq 10

Starting JACK from the terminal worked using 'jackd -d alsa -d hw'. 
When I look into the settings for qjackctl it is using 'jackd-realtime'
as the Server Path.  Could that be why it couldn't find the JACK server
even though I have the the Realtime kernel module loaded?

RESULT:
jackd 0.99.36
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

JACK compiled with System V SHM support.
loading driver ..
creating alsa driver ... hw|hw|1024|2|48000|0|0|nomon|swmeter|-|32bit
configuring for 48000Hz, period - 1024 frames, buffer - 2 periods
nperiods - 2 for capture
nperiods - 2 for playback

MusE started fine.  Now I'll reboot and try this with an Edge kernel. 
I'm trying to get a system to the point that a non technical user can
use it, preferably with no need to use command lines (ie. system used
only as DAW, boots into realtime kernel, alsa started and running
indefinitely, JACK control Kit configured with pre-patch for sound card,
apps pre-configed, etc..)  

If you see anything else... it is much appreciated.  

Bob
-- 

digi|SONUS
p:: 877.769.3173
e:: info@digisonus.com


On Fri, 2005-04-08 at 21:51, Mark Knecht wrote:

> Bob,
>    Is Alsa running? cat /proc/asound/version   and   cat /proc/asound/cards
> 
>    Try a couple of simple things first:
> 
> (as a user)
> jackd -d alsa -d hw
> 
> Does it work?
> 
> If it does then man jackd and look at the options. If it doesn't we'll
> look at why.
> 
> Interesting options (from memory...)
> 
> jackd -R -d alsa -r 44100 -n 2 -p 256 -d hw
> 
> [mark@Godzilla mark]$ jackd -R -d alsa -r 44100 -n 2 -p 256 -d hw
> jackd 0.99.36
> 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
>  
> JACK compiled with System V SHM support.
> loading driver ..
> apparent rate = 44100
> creating alsa driver ... hw|hw|256|2|44100|0|0|nomon|swmeter|-|32bit
> configuring for 44100Hz, period = 256 frames, buffer = 2 periods
> nperiods = 2 for capture
> nperiods = 2 for playback
> 
> 
> Interesting. I'm not seeing realtime getting enabled. PlanetEdge kernel.
> 
> Anyway, give it a try.
> 
> Cheers,
> Mark



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Mark,<BR>
<BR>
I had enabled the alsa sound start up script with '<TT>/sbin/chkconfig alsasound on</TT>' <BR>
<BR>
<FONT COLOR="#737373"><I>cat /proc/asound/version:</I></FONT><BR>
<BR>
Advanced Linux Sound Architecture Driver Version 1.0.9rc1.<BR>
Compiled on Mar 22 2005 for kernel 2.6.10-2.1.11.rhfc2.ccrma.<BR>
<BR>
<FONT COLOR="#737373"><I>cat /proc/asound/cards:</I></FONT><BR>
<BR>
0 [M410&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ]: ICE1712 - M Audio Delta 410<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; M Audio Delta 410 at 0xd000, irq 10<BR>
<BR>
Starting JACK from the terminal worked using 'jackd -d alsa -d hw'.&nbsp; When I look into the settings for qjackctl it is using 'jackd-realtime' as the Server Path.&nbsp; Could that be why it couldn't find the JACK server even though I have the the Realtime kernel module loaded?<BR>
<BR>
RESULT:<BR>
jackd 0.99.36<BR>
Copyright 2001-2003 Paul Davis and others.<BR>
jackd comes with ABSOLUTELY NO WARRANTY<BR>
This is free software, and you are welcome to redistribute it<BR>
under certain conditions; see the file COPYING for details<BR>
<BR>
JACK compiled with System V SHM support.<BR>
loading driver ..<BR>
creating alsa driver ... hw|hw|1024|2|48000|0|0|nomon|swmeter|-|32bit<BR>
configuring for 48000Hz, period - 1024 frames, buffer - 2 periods<BR>
nperiods - 2 for capture<BR>
nperiods - 2 for playback<BR>
<BR>
MusE started fine.&nbsp; Now I'll reboot and try this with an Edge kernel.&nbsp; I'm trying to get a system to the point that a non technical user can use it, preferably with no need to use command lines (ie. system used only as DAW, boots into realtime kernel, alsa started and running indefinitely, JACK control Kit configured with pre-patch for sound card, apps pre-configed, etc..)&nbsp; <BR>
<BR>
If you see anything else... it is much appreciated.&nbsp; <BR>
<BR>
Bob<BR>
-- 
<PRE>digi|SONUS
p:: 877.769.3173
e:: info@digisonus.com</PRE>
<BR>
On Fri, 2005-04-08 at 21:51, Mark Knecht wrote:
<BLOCKQUOTE TYPE=CITE>
<PRE><FONT COLOR="#737373"><I>Bob,
   Is Alsa running? cat /proc/asound/version   and   cat /proc/asound/cards

   Try a couple of simple things first:

(as a user)
jackd -d alsa -d hw

Does it work?

If it does then man jackd and look at the options. If it doesn't we'll
look at why.

Interesting options (from memory...)

jackd -R -d alsa -r 44100 -n 2 -p 256 -d hw

[mark@Godzilla mark]$ jackd -R -d alsa -r 44100 -n 2 -p 256 -d hw
jackd 0.99.36
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
 
JACK compiled with System V SHM support.
loading driver ..
apparent rate = 44100
creating alsa driver ... hw|hw|256|2|44100|0|0|nomon|swmeter|-|32bit
configuring for 44100Hz, period = 256 frames, buffer = 2 periods
nperiods = 2 for capture
nperiods = 2 for playback


Interesting. I'm not seeing realtime getting enabled. PlanetEdge kernel.

Anyway, give it a try.

Cheers,
Mark</I></FONT></PRE>
</BLOCKQUOTE>
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