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    SubjectRe: 2.6.0-test1-mm2 music skips
    At Sun, 20 Jul 2003 21:21:43 -0400,
    Ed Sweetman wrote:
    >
    > Christian Axelsson wrote:
    > > On Sun, 2003-07-20 at 22:34, Lukas Kolbe wrote:
    > >
    > > Please read the O*int threads.
    > > It's probably Con's new scheduler that is causing these problems.
    > > If you are using alsa, try the OSS emulation as it seems to help abit.
    > >
    >
    > I've been using the 2.5 kernel for a long time now and the 2.4 kernel
    > since it was just turned into 2.3. There have been these "problems"
    > since 2.3, this is not something new caused by any new schedulers. The
    > schedulers can cause problems, no doubt, but they also make userspace
    > programming issues apparent. The fact that going to oss emu only proves
    > that this is mostly a userspace problem. ALSA drivers have to be coded
    > with much more attention to latency because it's very specific about
    > being run on time. You can only send it a small amount of data every
    > write you make to the soundcard.

    well, just a small correction: it's ALSA output plugin of xmms, not
    ALSA drivers. it uses the hardware buffer directly (or mmapped) while
    xmms OSS output plugin has much larger internal buffers.


    Takashi
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