[LAU] jackd: A lot of xruns

Hi! I want to use Jack on my Thinkpad X60s notebook with the built in soundchip. I know that this is not the best hardware, but I need a possibility to record some things mobile. I get quite a few xruns every time I start jack with qjackctl -- too many to work efficiently. I use Gentoo kernel 2.6.20-gentoo-r8, realtime-lsm as module and the kernel option "Preemption Model (Preemptible Kernel (Low-Latency Desktop))". This is the output of qjackctl (I stopped Jack intentionally): 21:40:29.357 Patchbay deactivated. 21:40:29.486 Statistics reset. 21:40:29.553 MIDI connection graph change. 21:40:29.727 MIDI connection change. 21:40:31.468 Startup script... 21:40:31.468 artsshell -q terminate 21:40:32.225 Startup script terminated with exit status=256. 21:40:32.293 JACK is starting... 21:40:32.293 jackd -R -P7 -u -dalsa -r44100 -p256 -n2 -D -Chw:0 -Phw:0 21:40:32.295 JACK was started with PID=9380 (0x24a4). jackd 0.101.1 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. loading driver .. apparent rate = 44100 creating alsa driver ... hw:0|hw:0|256|2|44100|0|0|nomon|swmeter|-|32bit control device hw:0 configuring for 44100Hz, period = 256 frames, buffer = 2 periods nperiods = 2 for capture nperiods = 2 for playback **** alsa_pcm: xrun of at least 0.015 msecs **** alsa_pcm: xrun of at least 0.014 msecs **** alsa_pcm: xrun of at least 0.016 msecs **** alsa_pcm: xrun of at least 0.011 msecs **** alsa_pcm: xrun of at least 0.013 msecs **** alsa_pcm: xrun of at least 0.015 msecs **** alsa_pcm: xrun of at least 0.011 msecs **** alsa_pcm: xrun of at least 0.018 msecs **** alsa_pcm: xrun of at least 0.015 msecs **** alsa_pcm: xrun of at least 0.017 msecs **** alsa_pcm: xrun of at least 0.011 msecs **** alsa_pcm: xrun of at least 0.017 msecs **** alsa_pcm: xrun of at least 0.014 msecs **** alsa_pcm: xrun of at least 0.013 msecs **** alsa_pcm: xrun of at least 0.014 msecs 21:40:34.356 Server configuration saved to "/home/d135-1r43/.jackdrc". 21:40:34.357 Statistics reset. 21:40:34.380 Client activated. 21:40:34.382 Audio connection change. 21:40:34.391 Audio connection graph change. **** alsa_pcm: xrun of at least 0.015 msecs **** alsa_pcm: xrun of at least 0.039 msecs 21:40:34.446 XRUN callback (1). **** alsa_pcm: xrun of at least 0.013 msecs **** alsa_pcm: xrun of at least 0.015 msecs **** alsa_pcm: xrun of at least 0.017 msecs **** alsa_pcm: xrun of at least 0.011 msecs **** alsa_pcm: xrun of at least 0.026 msecs **** alsa_pcm: xrun of at least 0.010 msecs **** alsa_pcm: xrun of at least 0.014 msecs **** alsa_pcm: xrun of at least 0.016 msecs **** alsa_pcm: xrun of at least 0.016 msecs **** alsa_pcm: xrun of at least 0.016 msecs **** alsa_pcm: xrun of at least 0.014 msecs **** alsa_pcm: xrun of at least 0.010 msecs **** alsa_pcm: xrun of at least 0.011 msecs 21:40:35.649 Client deactivated. 21:40:35.651 JACK is stopping... jack main caught signal 15 no message buffer overruns 21:40:35.904 JACK was stopped successfully. 21:40:35.907 Post-shutdown script... 21:40:35.907 killall jackd jackd: no process killed 21:40:36.242 Post-shutdown script terminated with exit status=25 These are my cards: # cat /proc/asound/cards 0 [Intel ]: HDA-Intel - HDA Intel HDA Intel at 0xee240000 irq 22 # lspci | grep Audio 00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02) What to do? Are there some things to tweak? Markus