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Date:      Fri, 29 Mar 2002 20:01:43 -0500 (EST)
From:      "Adam D. Gorski" <agorski@engin.umich.edu>
To:        John Utz <john@utzweb.net>
Cc:        <freebsd-multimedia@FreeBSD.ORG>
Subject:   Re: SB problem (was: Cat'ing /dev/audio)
Message-ID:  <Pine.SOL.4.33.0203291951340.11223-100000@and.engin.umich.edu>
In-Reply-To: <Pine.LNX.4.44.0203291817060.11448-100000@jupiter.linuxengine.net>

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Ok, several responses to various recommendations/ideas are included here..
first off.. I installed sox and performed the suggested downsampling. I took
a 44khz wav file and converted it to 38Khz, 22Khz, and 8Khz... all wav files
prdouced the same screeching as the 44Khz one.

Next, I recompiled mpg123 and my kernel with i386 instead of p2 in
make.conf. That made no difference.

I built my system up from source. After an initial 'bare' console install, I
did a cvsup to get /usr/src and /usr/ports, made world, made the kernel,
made X, etc., all using the optimizations I've mentioned. I do everything
'properly' if you will, so for the kernel I started with the GENERIC file
which I modified based on reading LINT and various documents, and I compiled
it using 'make kernel KERNCONF=MYCONF'. As far as I know, I have done
everything 'according to the rules.'

As I've said, 2 of my friends run the exact same card under 4.5 with no
problems... but let's not forget that my SP 64 (es1370) experiences the same
problem. It _could_ be that my clock is fast, but that would be odd... my
system was pretty good back in 98 when I built it.. just in case any of this
means anything:

Asus P2B w/ P2-450
Matrox G200
256MB ram
Promise ATA/100 Controller -> IBM Deskstar 20 gig, 7200 (BSD's Home :))
Various other driver, nics, etc.

The box has been humming flawlessly since I've put it together, with almost
no down time (other than moving from apartment to apartment). It ran Win98
fine back in the day, then housed Linux for 2+ years... I figured I'd have
seen problems if there were any serious ones.

Sorry to all those who don't give a crap, I didn't mean to spam this list
with my rather minor problem, but I don't really know who else to turn to :\

- Adam

 On Fri, 29 Mar 2002, John Utz wrote:

::On Fri, 29 Mar 2002, Adam D. Gorski wrote:
::
::> Well, I re-compiled mpg123 for i386, but it's still crackling... did you
::> mean that I should recompile my whole system form the bottom up? I hope
::> not...
::
::did you recompile the entire box with p2? if you did, then you probably
::should recompile the whole thing.
::
::if you just compiled the kernel and the mods with p2, then just recompile
::and reinstall those.
::
::refresh my memory, did you rebuild the whole machine from src? or did u
::just do the kernel?
::
::and if you just did the kernel, did u just copy the kernel up to / or did
::you do a make install?
::
::if you rebuilt the kernel and modules but didnt do a make install and
::copied the kernel to / instead, then you have a kernel that was built with
::p2 and modules that where not.
::
::> - Adam
::>
::> ::my current supposition is a math error, because i know that gcc with the
::> ::more specialized cpu architecture setups isnt particularly well tested,
::> ::and it's tested even less on freebsd! furthermore, preparing oggs and
::> ::mp3's for play is a math intensive process, so any goof ups in the math
::> ::code would be painfully evident.
::> ::
::> ::but, i am guessing.
::> ::
::> ::
::> ::
::> ::> Rahul
::> ::>
::> ::
::> ::--
::> ::
::> ::John L. Utz III
::> ::john@utzweb.net
::> ::
::> ::Idiocy is the Impulse Function in the Convolution of Life
::> ::
::> ::
::>
::
::--
::
::John L. Utz III
::john@utzweb.net
::
::Idiocy is the Impulse Function in the Convolution of Life
::
::


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