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Date: Sat, 30 Oct 2004 22:29:15 +0200
From: Florian Schmidt <mista.tapas@gmx.net>
To: Lee Revell <rlrevell@joe-job.com>
Cc: Ingo Molnar <mingo@elte.hu>, Paul Davis <paul@linuxaudiosystems.com>,
       Thomas Gleixner <tglx@linutronix.de>,
       LKML <linux-kernel@vger.kernel.org>, mark_h_johnson@raytheon.com,
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       Karsten Wiese <annabellesgarden@yahoo.de>,
       jackit-devel <jackit-devel@lists.sourceforge.net>,
       Rui Nuno Capela <rncbc@rncbc.org>
Subject: Re: [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.4]
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On Sat, 30 Oct 2004 16:05:14 -0400
Lee Revell <rlrevell@joe-job.com> 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]

flo
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