[ardour-users] Problems running jack and ardour on macbookpro and debian

Antonio Castellano stanzarossa at email.it
Fri May 11 02:54:22 PDT 2007

i got the same error even switching from kmix and correcting my commmand:

$ /usr/bin/jackd -v -R -P89 -p1024 -dalsa -r44100 -p1024 -n2 -Phw:0
getting driver descriptor from /usr/lib/libjack0.100.0-0/jack_dummy.so
getting driver descriptor from /usr/lib/libjack0.100.0-0/jack_alsa.so
getting driver descriptor from /usr/lib/libjack0.100.0-0/jack_oss.so
jackd 0.101.1
Copyright 2001-2005 Paul Davis and others.
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
nperiods = 2 for playback
registered builtin port type 32 bit float mono audio
required capabilities not available
capabilities: = cap_ipc_lock,cap_sys_nice+e
new client: alsa_pcm, id = 1 type 1 @ 0x8058450 fd = -1
new buffer size 1024
registered port alsa_pcm:playback_1, offset = 0
registered port alsa_pcm:playback_2, offset = 0
registered port alsa_pcm:playback_3, offset = 0
registered port alsa_pcm:playback_4, offset = 0
registered port alsa_pcm:playback_5, offset = 0
registered port alsa_pcm:playback_6, offset = 0
registered port alsa_pcm:playback_7, offset = 0
registered port alsa_pcm:playback_8, offset = 0
++ jack_rechain_graph():
client alsa_pcm: internal client, execution_order=0.
-- jack_rechain_graph()
23595 waiting for signals

**** alsa_pcm: xrun of at least 0.028 msecs

**** alsa_pcm: xrun of at least 0.026 msecs

i know that capture of my soundcard is not supported by the driver can 
this cause this malfunctions? i'm giving away 300 euro for a presonus 
firebox freebob soundcard, will i have the same problems?

thanks for your time
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