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Date:      Wed, 8 Jun 2005 04:54:16 -0700
From:      Travis Poppe <tlpbsd@gmail.com>
To:        Simon Barner <barner@freebsd.org>
Cc:        Jeff Roberson <jroberson@chesapeake.net>, current@freebsd.org
Subject:   Re: Sound skipping problems
Message-ID:  <9533da6c05060804542aa62382@mail.gmail.com>
In-Reply-To: <20050608104844.GA24060@zi025.glhnet.mhn.de>
References:  <20050607210453.S16943@mail.chesapeake.net> <20050608104844.GA24060@zi025.glhnet.mhn.de>

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On 6/8/05, Simon Barner <barner@freebsd.org> wrote:
> Jeff Roberson wrote:
> > I have a patch that should greatly improve the sound skipping problems
> > people have under heavy io load.  Several people sent me traces that
> > showed the buf daemon running for hundreds of milliseconds with Giant
> > held, which can hold up the pcm code.  The patch is available at:
> >
> > http://www.chesapeake.net/~jroberson/flushbuf.diff
>=20
> [...]
>=20
> Can I use the patch on 5.4-STABLE? It applies cleanly (with offset,
> though), but I prefer to ask before doing useless tests.
>=20
> Simon

I tried this patch on 5.4-RELEASE and it caused audio playback to halt
under heavy I/O load (extracting firefox).

Other odd system behavior was also present.

-Travis Poppe



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