Hello, I've installed jackit-0.99.0-2mdk.i586.rpm and qjackctl-0.2.14-1mdk.i586.rpm and try to start jackd and get the following error message : Patch bay deactivated Statistics reset MIDI connection graph change MIDI connection change Startup script artsshell -q terminate Startup script terminate with exit status=256 Jack is starting ... /us/bin/jackd -v R -dalsa -ddefault -r48000 -p1024 -n2 JACK was started with PID=9259 (0x242b) 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_oss.so could not open driver '/usr/lib/jack/jack_oss.so': /usr/lib/jack/jack_oss.so: undefined symbol: jack_create_thread jackd 0.99.0 Copyright 2001-2003 Paul Davis and others Jackd comes with ABSOLUTELY NO WARRANTY This is a free softaware, 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 cannot lock down memory for jackd (operation not permitted) /usr/bin/jack: symbol lookup error: /usr/bin/jackd: undefined symbol: jack_create_thread JACK was stopped with exit status=127 what's the matter, can you help me? speak slowly I'm new with Linux See you,