hi, i've got some errors starting jackd... jackstart -v -R -d alsa -d fx -p512 -r48000 -ztriangular -i8 -S -s back from read, ret = 1 errno == Success getting driver descriptor from /usr/lib/libjack0.80.0-0/jack_iec61883.so getting driver descriptor from /usr/lib/libjack0.80.0-0/jack_dummy.so getting driver descriptor from /usr/lib/libjack0.80.0-0/jack_alsa.so getting driver descriptor from /usr/lib/libjack0.80.0-0/jack_oss.so jackd 0.98.1 Copyright 2001-2003 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 registered builtin port type 32 bit float mono audio capabilities: = cap_setpcap,cap_ipc_lock,cap_sys_nice,cap_sys_resource+eip loading driver .. new client: alsa_pcm, id = 1 type 1 @ 0x8057a20 fd = -1 apparent rate = 48000 creating alsa driver ... fx|fx|512|2|48000|8|0|nomon|swmeter|soft-mode|16bit configuring for 48000Hz, period = 512 frames, buffer = 2 periods Triangular dithering at 16 bits new buffer size 512 registered port alsa_pcm:capture_1, offset = 2048 registered port alsa_pcm:capture_2, offset = 4096 registered port alsa_pcm:capture_3, offset = 6144 registered port alsa_pcm:capture_4, offset = 8192 registered port alsa_pcm:capture_5, offset = 10240 registered port alsa_pcm:capture_6, offset = 12288 registered port alsa_pcm:capture_7, offset = 14336 registered port alsa_pcm:capture_8, offset = 16384 registered port alsa_pcm:playback_1, offset = 0 registered port alsa_pcm:playback_2, offset = 0 ++ jack_rechain_graph(): client alsa_pcm: internal client, execution_order=0. -- jack_rechain_graph() 3806 waiting for signals jackd watchdog: timeout - killing jackd Abandon thanks for the help... julien