Jackd Real Time Problem

[hms2k]

Hello all, yea its me again...

 

i have a soundblaster live 5.1 platinum, alsa driver is ok i think.

 

i has installed kernel-multimedia-smp-2.4.22.21mm.2mdk-1-1mdk.i586.rpm, jackit 0.94.0-2mdk and qjackctl-0.2.6-1mdk.

 

When start jackd with qjackctl i get this :

 

11:04:56.442 Statistics reset.

11:04:56.472 Startup script...

11:04:56.473 artsshell -q terminate

11:04:56.522 MIDI connection graph change.

JACK compiled with System V SHM support

sound server terminated

11:04:57.174 Startup script terminated successfully.

11:04:57.188 JACK is starting...

11:04:57.189 /usr/bin/jackd -v -R -t500 -dalsa -dhw:0 -r44100 -p1024 -n2 -zs

11:04:57.205 JACK was started with PID=2518 (0x9d6).

getting driver descriptor from /usr/lib/jack/jack_alsa.so

getting driver descriptor from /usr/lib/jack/jack_dummy.so

jackd 0.94.0

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

loading driver ..

new client: alsa_pcm, id = 1 type 1 @ 0x80643a8 fd = -1

apparent rate = 44100

creating alsa driver ... hw:0|hw:0|1024|2|44100|0|0|nomon|swmeter|rt|32bit

control device hw:0

configuring for 44100Hz, period = 1024 frames, buffer = 2 periods

Couldn't open hw:0 for 32bit samples trying 24bit instead

Couldn't open hw:0 for 24bit samples trying 16bit instead

Couldn't open hw:0 for 32bit samples trying 24bit instead

Couldn't open hw:0 for 24bit samples trying 16bit instead

Noise-shaped dithering at 16 bits

new buffer size 1024

JACK: unable to mlock() port buffers: Operation not permitted

registered port alsa_pcm:capture_1, offset = 4096

registered port alsa_pcm:capture_2, offset = 8192

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()

cannot set thread to real-time priority (FIFO/20) (1: Operation not permitted)

no realtime watchdog thread

cannot use real-time scheduling (FIFO/10) (1: Operation not permitted)

2518 waiting for signals

11:04:57.410 MIDI connection change.

load = 0.4910 max usecs: 228.000, spare = 22991.000

load = 0.3166 max usecs: 33.000, spare = 23186.000

11:04:59.485 Server configuration saved to "/home/hms2k/.jackdrc"

11:04:59.487 Statistics reset.

11:04:59.500 Client activated.

11:04:59.502 Audio connection change.

new client: qjackctl-2516, id = 2 type 2 @ 0x40026000 fd = 17

cannot lock down memory for RT thread (Operation not permitted)

load = 0.2143 max usecs: 26.000, spare = 23193.000

load = 0.1480 max usecs: 19.000, spare = 23200.000

load = 0.0977 max usecs: 11.000, spare = 23208.000

 

how i can fix this?: cannot lock down memory for RT thread (Operation not permitted)

 

thanx a lot.

Edited April 17, 2004 by hms2k