Re: FB & 2.1.117

Martin Mares (mj@ucw.cz)
Sun, 23 Aug 1998 13:18:51 +0200


Hello.

> when using vesafb I have a noise ( I just don't know how else
> to call it ) up to two centimeters on the right side of
> everything written on the screen _when_ screen contents is
> _changing_ ! Using X on the very same resolution _and_ refresh
> rate I can see perfect picture so I doubt it's a shitty video
> card.
>
> Can anybody confirm that !?
>
> Does FB device sync video signal at all !?

The vesafb driver has nothing to do with syncing etc. -- it just uses the
linear frame buffer as set up by your BIOS. It's almost sure this is a BIOS
bug (misprogrammed video memory timings or something similar). What card
do you use?

Have a nice fortnight

-- 
Martin `MJ' Mares   <mj@ucw.cz>   http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
"The first myth of management is that it exists."

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