[LAU] jackd: A lot of xruns

DuWayne Holsbeck drh at niptron.com
Wed Jun 13 16:14:36 EDT 2007


If you run "hdparm -t /dev/'hd or sd1partion" tell you ?

Cheers 
DRH

On Thu, 2007-06-14 at 22:09 +0200, Markus Herhoffer wrote:
> I get the same high frequecy of xruns both with -p 1024 and 2048:
> 
> 
> 22:06:19.818 Patchbay deactivated.
> 22:06:19.953 Statistics reset.
> 22:06:20.126 MIDI connection graph change.
> 22:06:20.286 MIDI connection change.
> 22:07:01.574 Startup script...
> 22:07:01.574 artsshell -q terminate
> 22:07:02.935 Startup script terminated with exit status=256.
> 22:07:03.017 JACK is starting...
> 22:07:03.018 jackd -R -P7 -u -dalsa -r44100 -p1024 -n2 -D -Chw:0 -Phw:0
> 22:07:03.047 JACK was started with PID=9622 (0x2596).
> 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|1024|2|44100|0|0|nomon|swmeter|-|32bit
> control device hw:0
> configuring for 44100Hz, period = 1024 frames, buffer = 2 periods
> nperiods = 2 for capture
> nperiods = 2 for playback
> **** alsa_pcm: xrun of at least 0.017 msecs
> **** alsa_pcm: xrun of at least 0.015 msecs
> **** alsa_pcm: xrun of at least 0.018 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 0.014 msecs
> 22:07:05.146 Server configuration saved to "/home/d135-1r43/.jackdrc".
> 22:07:05.148 Statistics reset.
> 22:07:05.796 Client activated.
> 22:07:05.798 Audio connection change.
> 22:07:05.802 Audio connection graph change.
> 22:07:05.802 XRUN callback (1).
> **** alsa_pcm: xrun of at least 0.019 msecs
> **** alsa_pcm: xrun of at least 0.019 msecs
> **** alsa_pcm: xrun of at least 0.022 msecs
> **** alsa_pcm: xrun of at least 41.788 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 0.011 msecs
> **** alsa_pcm: xrun of at least 0.018 msecs
> **** alsa_pcm: xrun of at least 0.013 msecs
> **** alsa_pcm: xrun of at least 0.012 msecs
> 22:07:07.701 XRUN callback (8).
> 22:07:07.837 XRUN callback (7 skipped).
> **** alsa_pcm: xrun of at least 0.018 msecs
> **** alsa_pcm: xrun of at least 0.016 msecs
> **** alsa_pcm: xrun of at least 0.012 msecs
> **** alsa_pcm: xrun of at least 0.011 msecs
> 22:07:09.869 XRUN callback (3 skipped).
> **** alsa_pcm: xrun of at least 0.020 msecs
> **** alsa_pcm: xrun of at least 0.011 msecs
> 22:07:10.376 Client deactivated.
> 22:07:10.377 JACK is stopping...
> jack main caught signal 15
> no message buffer overruns
> 22:07:10.717 JACK was stopped successfully.
> 22:07:10.718 Post-shutdown script...
> 22:07:10.719 killall jackd
> jackd: no process killed
> 22:07:11.086 Post-shutdown script terminated with exit status=256.
> 22:08:22.296 Startup script...
> 22:08:22.297 artsshell -q terminate
> 22:08:22.867 Startup script terminated with exit status=256.
> 22:08:22.868 JACK is starting...
> 22:08:22.868 jackd -R -P7 -u -dalsa -r44100 -p2048 -n2 -D -Chw:0 -Phw:0
> 22:08:22.874 JACK was started with PID=9631 (0x259f).
> 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|2048|2|44100|0|0|nomon|swmeter|-|32bit
> control device hw:0
> configuring for 44100Hz, period = 2048 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 0.015 msecs
> **** alsa_pcm: xrun of at least 0.016 msecs
> **** alsa_pcm: xrun of at least 0.015 msecs
> **** alsa_pcm: xrun of at least 0.019 msecs
> 22:08:24.927 Server configuration saved to "/home/d135-1r43/.jackdrc".
> 22:08:24.928 Statistics reset.
> 22:08:24.931 Client activated.
> 22:08:24.932 Audio connection change.
> 22:08:24.935 Audio connection graph change.
> **** alsa_pcm: xrun of at least 0.017 msecs
> 22:08:25.686 XRUN callback (1).
> **** alsa_pcm: xrun of at least 0.029 msecs
> **** alsa_pcm: xrun of at least 0.028 msecs
> **** alsa_pcm: xrun of at least 0.012 msecs
> **** alsa_pcm: xrun of at least 0.013 msecs
> 22:08:26.970 XRUN callback (4 skipped).
> **** alsa_pcm: xrun of at least 0.020 msecs
> **** alsa_pcm: xrun of at least 0.013 msecs
> **** alsa_pcm: xrun of at least 0.017 msecs
> 22:08:28.870 XRUN callback (8).
> 22:08:29.002 XRUN callback (2 skipped).
> **** alsa_pcm: xrun of at least 0.027 msecs
> **** alsa_pcm: xrun of at least 0.012 msecs
> **** alsa_pcm: xrun of at least 0.010 msecs
> 22:08:31.042 XRUN callback (2 skipped).
> **** alsa_pcm: xrun of at least 0.019 msecs
> 22:08:31.310 XRUN callback (12).
> 22:08:31.745 Client deactivated.
> 22:08:31.746 JACK is stopping...
> jack main caught signal 15
> no message buffer overruns
> 22:08:32.001 JACK was stopped successfully.
> 22:08:32.003 Post-shutdown script...
> 22:08:32.003 killall jackd
> jackd: no process killed
> 22:08:32.215 Post-shutdown script terminated with exit status=256.
> 
> DuWayne Holsbeck wrote:
> > Being that you probably do not need really low latencey, if you are not
> > doing overdubs, you could change your period setting to 1024 or greater
> > frames vs the 256 setting. This usually works for me, I have an A31
> > thinkpad, with many hours of live recording use, both with the onboard
> > chip and an RME HDSP.
> > 
> > Cheers
> > DRH
> > 
> > On Thu, 2007-06-14 at 21:44 +0200, Markus Herhoffer wrote:
> >> 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
> >> _______________________________________________
> >> Linux-audio-user mailing list
> >> Linux-audio-user at lists.linuxaudio.org
> >> http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user
> > 
> > _______________________________________________
> > Linux-audio-user mailing list
> > Linux-audio-user at lists.linuxaudio.org
> > http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user
> 
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