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Date: Mon, 21 May 2007 16:48:12 +0200 (CEST)
From: Martin Dieringer <martin.dieringer@gmx.de>
To: Ian Smith <smithi@nimnet.asn.au>
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Cc: freebsd-multimedia@freebsd.org, Ariff Abdullah <ariff@freebsd.org>
Subject: Re: still audio hiccups
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On Tue, 22 May 2007, Ian Smith wrote:

> On Mon, 21 May 2007, Ariff Abdullah wrote:
> > On Mon, 21 May 2007 14:46:28 +0200 (CEST)
> > Martin Dieringer <martin.dieringer@gmx.de> wrote:
> [..]
> > > It seems to work now if I set debug.cpufreq.lowest=450, with
> > > freq=300 and below there are still hiccups.
> > > (I can live with cpu.freq above 450.)
> > >
> > > It doesn't matter if powerd is running, just seems to depend on
> > > actual cpu frequency.
> > >
> > > I didn't reboot, kldunloaded all sound modules and reloaded the new
> > > ones.
> > >
> >
> > Consider my other suggestions: Disable acpi_thottle. This has nothing
> > to do with cpufreq/est/speedstep/powernow/etc.
> >
> > hint.acpi_throttle.0.disabled=1
> >
> > Lastly, believe me. This entire affair has nothing to do with sound
> > driver at all.
>
> We believe you :)  After much pulling teeth in -stable, Warner Losh had
> already hit the bullseye regarding Martin's other problem (clock losing
> time beyond ntpd's ability to cope when running powerd) in this post:
>
> http://lists.freebsd.org/pipermail/freebsd-stable/2007-May/035068.html
>
> where he suggested bumping debug.cpufreq.lowest up past 300MHz or so,
> where Martin's t42p was shifting down to 75MHz at idle (with HZ=1000)


but that didn't help before I used Ariff's sound patch...


> Glad that's sorted ..

is it?...

m.