[linux-audio-user] Problem with jackd

[pascal lawrynowicz]

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,