El Lunes, 1 de Octubre de 2007 23:45, Nigel Henry escribió:
| On Monday 01 October 2007 01:42, Marcos Guglielmetti wrote:
| > Hi, also you can add Musix GNU/Linux's repositories (debian/etch
| > compatible)
| >
| > # /etc/apt/sources.list Musix GNU+Linux
| > deb ftp://musix.ourproject.org/pub/musix/deb/ ./
| >
| > So you can install rt kernels on you Debian/ECTH, and upgrade Ardour to
| > 2.1, jackd to 0.103...
| >
| > regards
|
| Sorry for replying to my previous reply with everything now snipped.
|
| I've downloaded, and installed kernel 2.6.21rt4, 2.6.21.5rt18, and rtirq,
| but am still getting xruns when starting jackd in qjackctl. An xrun about
| every 3 secs, and that's with no music apps being used.
|
| Is there anything else I need to do to get zero xruns when starting jackd?
|
| Do I need to edit /etc/security/limits.conf for example, as I had to do
| for Fedora 7?
Yes: sure!
@audio - rtprio 99
@audio - nice -10
@audio - memlock 4000000
| As default this file has everything commented out in Etch,
Bad for jackd...
| but this file in Fedora 7 already had some lines for
| jack-audio-connection-kit set up as default, but only with a rtprio of 20.
| The updated pam that came down when installing the planetccrma low latency
| kernel, left a limits.conf.rpmnew with higher priorities. I added these to
| the existing limits.conf file, commenting out the defaults, and now when
| starting jack on Fedora 7, I have zero xruns.
Fine
| I still get the odd xrun when running a music app, but nothing when jack
| is started with no music apps being used. I've put a bit of jack's
| messages output below.
|
| 23:41:07.577 Audio connection change.
| 23:41:07.585 Audio connection graph change.
| delay of 26942.000 usecs exceeds estimated spare time of 11397.000;
| restart ...
| 23:41:09.026 XRUN callback (1).
| delay of 65588.000 usecs exceeds estimated spare time of 11397.000;
| restart ...
| delay of 12403.000 usecs exceeds estimated spare time of 11397.000;
| restart ...
| 23:41:09.632 XRUN callback (2 skipped).
| delay of 20107.000 usecs exceeds estimated spare time of 11349.000;
| restart ...
| **** alsa_pcm: xrun of at least 0.044 msecs
| 23:41:12.320 XRUN callback (4).
| 23:41:13.728 XRUN callback (1 skipped).
| delay of 70451.000 usecs exceeds estimated spare time of 11326.000;
| restart ...
| 23:41:14.276 XRUN callback (6).
| delay of 66210.000 usecs exceeds estimated spare time of 11417.000;
| restart ...
| 23:41:19.406 XRUN callback (7).
| delay of 66172.000 usecs exceeds estimated spare time of 11330.000;
| restart ...
| 23:41:24.513 XRUN callback (8).
| 23:41:29.614 XRUN callback (9).
| delay of 69610.000 usecs exceeds estimated spare time of 11400.000;
| restart ...
| 23:41:34.724 XRUN callback (10).
| delay of 69546.000 usecs exceeds estimated spare time of 11390.000;
| restart ...
| 23:41:37.612 Client deactivated.
| 23:41:37.650 JACK is stopping...
| jack main caught signal 15
| no message buffer overruns
| 23:41:37.736 JACK was stopped successfully.
|
| Any suggestions welcome as usual.
|
| Nigel.
-- `&' # Marcos Guglielmetti, co-director de # Musix GNU+Linux, 100% Software Libre para artistas _#_ http://www.musix.org.ar (#) / O \ + archivos: ftp://musix.ourproject.org/pub/musix ( === ) Ecología: http://autosus.wordpress.com `---' Personal: http://marcospcmusica.wordpress.com "Los hamsters no pueden volar" http://es.wikiquote.org/wiki/Los_Simpson_pizarra _______________________________________________ Linux-audio-user mailing list Linux-audio-user@email-addr-hidden http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-userReceived on Tue Oct 2 04:15:02 2007
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