Hey, I used to run jack without a problem using 64studio, but it doesn't work on Debian LEnny with the Musix 2.6.23.rt4 kernel. This are the messages: [code] 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 -1210673488, from thread -1210673488] (1: Operation not permitted) cannot create engine cleaning up shared memory cleaning up files unregistering server `default' 20:23:59.176 JACK was stopped successfully. 20:23:59.176 Post-shutdown script... 20:23:59.179 killall jackd jackd: geen proces afgebroken 20:23:59.408 Post-shutdown script terminated with exit status=256. 20:24:00.748 Startup script... 20:24:00.756 artsshell -q terminate JACK tmpdir identified as [/dev/shm] 20:24:01.071 Startup script terminated with exit status=256. 20:24:01.073 JACK is starting... 20:24:01.075 /usr/bin/jackd -v -R -dalsa -ddefault -r44100 -p256 -n2 -m 20:24:01.096 JACK was started with PID=5103 (0x13ef). getting driver descriptor from /usr/lib/jack/jack_alsa.so 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_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 cannot use real-time scheduling (FIFO at priority 10) [for thread -1210636624, from thread -1210636624] (1: Operation not permitted) cannot create engine cleaning up shared memory cleaning up files unregistering server `default' 20:24:01.115 JACK was stopped successfully. 20:24:01.116 Post-shutdown script... 20:24:01.116 killall jackd jackd: geen proces afgebroken 20:24:01.342 Post-shutdown script terminated with exit status=256. 20:24:03.146 Could not connect to JACK server as client. Please check the messages window for more info. JACK tmpdir identified as [/dev/shm] [/code] Some help is needed here... regards, _________________________________________________________________ Express yourself instantly with MSN Messenger! Download today it's FREE! http://messenger.msn.click-url.com/go/onm00200471ave/direct/01/