[lkml]   [2010]   [Jun]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [alsa-devel] PROBLEM: SIS7019 stops recording after 42 min
    2010/6/21 David Dillow <>:
    > On Mon, 2010-06-21 at 19:42 +0200, Hans Schou wrote:

    >> cmdline is now:
    >> arecord -B 250000 -F 125000 -c 1 -r 44100 -f S16 -M -D hw:0,0 -v arec.wav

    > This really makes me think the system just cannot keep up. Can you post
    > the initial output to verify that it is getting two periods per buffer,
    > please?

    Then I have to run it again. I do not have it on the screen anymore.
    I will do that after the test I'm running now - as mentioned before.

    I have turned on my signal generator with 400Hz. I will give it a try
    with listen to it, to hear any clicks when the overrun occur.

    > Also, does it do the same without the -M ? And you may wish to try
    > longer and shorter periods to see if you get so many overruns.

    > Also, what storage are you using? Does it support DMA? PIO modes can be
    > very slow...

    On a daily basis I use USB flash memory stick and have done this more
    than a year but always less than 42 min. Right now I'm using old 4GB
    external hard disk connected through USB.


     \ /
      Last update: 2010-06-21 21:07    [W:0.029 / U:0.844 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site