Re: [LAU] jackd: A lot of xruns

From: Markus Herhoffer <markus@email-addr-hidden>
Date: Thu Jun 14 2007 - 23:09:09 EEST

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@email-addr-hidden
>> http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user
>
> _______________________________________________
> Linux-audio-user mailing list
> Linux-audio-user@email-addr-hidden
> http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user

_______________________________________________
Linux-audio-user mailing list
Linux-audio-user@email-addr-hidden
http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user
Received on Thu Jun 14 00:15:02 2007

This archive was generated by hypermail 2.1.8 : Thu Jun 14 2007 - 00:15:03 EEST