Gentoo, jack, RT et autres tracasseries... (résolu)
Pour faire court avant ça marchait maintenant ça ne marche plus 😀
Ca plante dès que je lance le serveur en RT.
J'ai d'abord pensé qu'il pouvait y avoir un problème pour octroyer a mon utilisateur standard les droits d'accès temps réel : je ne sais pas pourquoi mais ça fait deux fois que je suis obligé de rééditer limits.conf pour remettre les caractéristiques du groupe audio qui vont bien, ça disparait de temps en temps ; mais le souci se pose même quand je lance jack en root.
quand je lance le serveur via qjackctl en utilisateur normal j'ai :
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15:31:01.561 Patchbay deactivated. 15:31:01.606 Statistics reset. 15:31:01.625 JACK is starting... 15:31:01.627 jackd -v -R -P89 -dalsa -r44100 -p256 -n2 -D -Chw:0,1 -Phw:0,2 15:31:01.650 JACK was started with PID=11517 (0x2cfd). getting driver descriptor from /usr/lib/jack/jack_dummy.so getting driver descriptor from /usr/lib/jack/jack_alsa.so jackd 0.107.5 Copyright 2001-2005 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. server `default' registered cannot use real-time scheduling (FIFO at priority 10) [for thread -1210775872, from thread -1210775872] (1: Operation not permitted) cannot create engine cleaning up shared memory cleaning up files unregistering server `default' 15:31:01.671 JACK was stopped successfully. 15:31:01.671 Post-shutdown script... 15:31:01.676 killall jackd 15:31:01.689 ALSA connection graph change. jackd: no process killed 15:31:02.088 Post-shutdown script terminated with exit status=256. 15:31:03.865 Could not connect to JACK server as client. Please check the messages window for more info.
en root via la console :
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# jackd -v -R -P89 -dalsa -r44100 -p256 -n2 -D -Chw:0,1 -Phw:0,2 getting driver descriptor from /usr/lib/jack/jack_dummy.so getting driver descriptor from /usr/lib/jack/jack_alsa.so jackd 0.107.5 Copyright 2001-2005 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. server `default' registered loading driver .. Enhanced3DNow! detected apparent rate = 44100 creating alsa driver ... hw:0,2|hw:0,1|256|2|44100|0|0|nomon|swmeter|-|32bit control device hw:0 configuring for 44100Hz, period = 256 frames, 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 11520 waiting for signals jackd watchdog: timeout - killing jackd Aborted
Est ce que l'un d'entre vous a une idée?
Pour info:
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matth@matth ~ $ grep audio /etc/security/limits.conf @audio - rt_prio 100 @audio - nice -10 @audio - memlock 250000 matth@matth ~ $ groups wheel audio cdrom sshd video games users matth plugdev matth@matth ~ $ grep audio /etc/group audio:!:18:matth matth@matth ~ $ uname -a Linux matth 2.6.23.1-rt11 #1 PREEMPT RT Fri Nov 16 10:34:21 CET 2007 i686 AMD Athlon(tm) XP 2800+ AuthenticAMD GNU/Linux
