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    SubjectRe: [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.4]
    On Sat, 30 Oct 2004 16:05:14 -0400
    Lee Revell <> wrote:

    > So maybe the bug is not related to scheduling of SCHED_FIFO threads, but
    > that we are missing IRQs. I think this would explain the choppy
    > playback with mplayer (it uses the RTC and does not run SCHED_FIFO).

    I wonder about what X11 is doing. Is it maybe doing some locking which is
    "out of line" for RP or something? I mean the RP patches touch everything
    that accesses hw directly with the exception of X11, right? [/me never
    grokked how X fits into linux' driver model anyways]

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