*BSD News Article 91825


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From: "GoldCom Inc." <rickg@goldcominc.com>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Weird problem with 2.2 Rel
Date: 24 Mar 1997 08:02:37 GMT
Organization: GoldCom Inc.
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Message-ID: <01bc3829$9fcc1d20$0100000a@g1.goldcom.ppp.cyberenet.net>
References: <3335ABCD.F74@unixg.ubc.ca>
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Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:37652

Paul Reitsma <preitsma@unixg.ubc.ca> wrote in article
<3335ABCD.F74@unixg.ubc.ca>...
> I installed 2.2 Release a couple days ago and then noticed it was
> interfering with my utterly unconnected radio on the other end of my
> desk.
> That's some nontrivial EM interference, so I figured generating it CAN'T
> be doing good things to my system.
> 
> Everything runs fine, but, just after booting and probing stops, my
> radio starts registering interference pulses at about 3.75 Hz which
> continue until I reboot.  These pulses are about the same volume as
> normal radio programs.
> 
> I've also got Win95 on the machine, and I've never encountered anything
> like this (there's always boot-time interference, but then it stops).
 
[snip]

Probably your monitor cable. EMI stops when Win95 starts because that
puts video at another freq. Disconnect it and see what happens.

(totally unrelated, but from your boot sequence...) recompile your kernel
for your hardware and use "shutdown now" before flipping off the power
switch.