Xorg problem with 5.3
e.schuele at computer.org
Thu Apr 7 09:23:21 PDT 2005
Godwin Stewart wrote:
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> On Mon, 4 Apr 2005 14:15:47 +0100, Yann Golanski <yann at kierun.org> wrote:
>>I am having an issue with Xorg under FreeBSD 5.3: The screen has lots
>>of small wave-like patterns descending along the screen whenever the CPU
>>does any work. My monitor is a Viglen CRT.
> I think this is more likely to be an issue with the graphics adapter than
> with the monitor. The monitor has no way of knowing if the CPU is under
> load or not and therefore cannot react to it. The graphics adapter, OTOH,
> could be experiencing EMI from the CPU fan as it steps up power with the
I'll second the EMI. I have a baby monitor 6 feet from my wifes
desktop. Her screen saver simply floats random images across the
screen. When the image is moving... you can hear it (static) in the
baby monitor. Very annoying.
> CPU heating up, or maybe just reacting to the extra heat from the CPU if
> it's near enough. Or maybe the shielding in the Sub-D connected to
> the monitor is bust.
> Either way round we don't have enough information to go on here, but I
> expect the problem is not the monitor in any case.
>>Versions are: xorg-6.8.2 on FreeBSD 5.3-RELEASE.
> More to the point, what type of CPU is it, what kind of graphics card on
> what bus, and how far away from the CPU?
> - --
> G. Stewart - gstewart at bonivet.net
> There are only 10 kinds of people in the world: Those who understand
> binary, and those who don't.
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