Problem (subpixel issue?) with ATI M6

[Andrei Kolu]

On Saturday 23 February 2008 13:23:56 James Butler wrote:
> Greetings
>
> I've just installed 7.0-RC2 on my Thinkpad X31 (ATI Radeon LY RV100
> Mobility M6), and added Xorg from packages. When starting X without an
> xorg.conf, or with an xorg.conf generated by X -configure, I get a
> strange effect on the screen: It's hard to describe, but it looks like
> maybe X is drawing the wrong subpixels, as all shapes have strange
> coloured fringes, and the the X "weave" background consists of white,
> red and blue pixels instead of just white. The total effect is that
> the image looks "washed-out" and pixelated; I'm sorry I have no easy
> way to capture how this looks!! (Also I just noticed that some xft
> fonts are coming out ~50% bigger with the "ati" driver than with
> "vesa".... don't know if this is relevant).
>
> I have tried all three documented "SubPixelOrder" settings in
> xorg.conf without effect, and I also tried disabling DRI (for no good
> reason); currently I am using the "vesa" driver which works perfectly
> (if slowly). If I have missed anything obvious please let me know.
>
> Please find the xorg.conf.new and Xorg.0.log generated by X
> -configure, along with my dmesg, here:
> http://homepages.ihug.co.nz/~sweetnavelorange/
>
> If anyone has any ideas, then thanks in advance.
>
I have similar problem with Intel 945GM graphics on Dell XPS 1210- in KDE 
konsole during compilation I see black pixel leftovers after text scrolling 
up- when I move window behind some other application and back then those 
pixels disappear.