[ardour-users] Jack Problem on 2.6.21 and Mac book Pro

[Antonio Castellano]

hi to the list and thanks to everybody worked at ardour2, it's 
wonderfull, i'd like to make a question a little off topic, it's not 
properly about ardour, it's about jack.
i have a macbook pro qith kernel 2.6.21 with realtime patch (musix) both 
realtime linux secuity module and rlimits well configured, the same 
setup  works on other machines.
when i try to start jack in realtime i got this lines:
# /usr/bin/jackd -v -R -P89 -p1024 -dalsa -dhw:0,0 -r44100 -p1024 -n2 -Chw:0
getting driver descriptor from /usr/lib/jack/jack_dummy.so
getting driver descriptor from /usr/lib/jack/jack_freebob.so
getting driver descriptor from /usr/lib/jack/jack_alsa.so
getting driver descriptor from /usr/lib/jack/jack_oss.so
jackd 0.103.0
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 ..
apparent rate = 44100
creating alsa driver ... -|hw:0|1024|2|44100|0|0|nomon|swmeter|-|32bit
control device hw:0
configuring for 44100Hz, period = 1024 frames, buffer = 2 periods
ALSA: final selected sample format for capture: 32bit little-endian
ALSA: use 2 periods for capture
registered builtin port type 32 bit float mono audio
registered builtin port type 8 bit raw midi
clock source = system clock via clock_gettime
new client: alsa_pcm, id = 1 type 1 @ 0x80594a0 fd = -1
new buffer size 1024
registered port alsa_pcm:capture_1, offset = 4096
registered port alsa_pcm:capture_2, offset = 8192
++ jack_rechain_graph():
client alsa_pcm: internal client, execution_order=0.
-- jack_rechain_graph()
6184 waiting for signals


as you can see i got it from root, so it's not a capability problem, it 
looks like an alsa problem but i don't really know where to look.

thanks in advance

antonio castellano
 
 
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