Lee Revell wrote: > Yes, that is almost certainly the problem. > > The /tmp entry in /etc/fstab should look like this: > > tmpfs /tmp tmpfs defaults 0 > 0 Unfortunately, that didn't seem to help - I get the same symptoms as before (attached below). I'm heading for a 2.6.13 kernel with realtime-preempt patch now. I'm afraid this is going to get complicated because of rtlimits/PAM setup. Still don't know where to get the "chrt" tool from. Michael This is a typical verbose output of qjackctl, in this case running as root: 16:05:44.901 /usr/bin/jackd -v -R -P60 -p64 -t10000 -dalsa -dhw:0,0 -r48000 -p1024 -n2 -P -o2 16:05:44.908 JACK was started with PID=14435 (0x3863). 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 getting driver descriptor from /usr/lib/jack/jack_portaudio.so jackd 0.100.1 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 registered builtin port type 32 bit float mono audio running with uid=0 and euid=0, will not try to use capabilites loading driver .. new client: alsa_pcm, id = 1 type 1 @ 0x8059780 fd = -1 apparent rate = 48000 creating alsa driver ... hw:0,0|-|1024|2|48000|0|2|nomon|swmeter|-|32bit control device hw:0 configuring for 48000Hz, period = 1024 frames, buffer = 2 periods nperiods = 8 for playback new buffer size 1024 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() 14435 waiting for signals late driver wakeup: nframes to process = 7168. late driver wakeup: nframes to process = 7168. late driver wakeup: nframes to process = 7168. late driver wakeup: nframes to process = 7168. late driver wakeup: nframes to process = 7168. late driver wakeup: nframes to process = 7168. late driver wakeup: nframes to process = 7168. load = 0.1031 max usecs: 44.000, spare = 21289.000 delay of 127940.000 usecs exceeds estimated spare time of 21289.000; restart ... late driver wakeup: nframes to process = 7168. delay of 106612.000 usecs exceeds estimated spare time of 21289.000; restart ... delay of 106612.000 usecs exceeds estimated spare time of 21289.000; restart ... delay of 106612.000 usecs exceeds estimated spare time of 21289.000; restart ... delay of 106612.000 usecs exceeds estimated spare time of 21289.000; restart ...
