Problem (subpixel issue?) with ATI M6

[James Butler]

Just to follow up... I fixed this by using xf86-video-ati 6.8.0 as
mentioned by Jung-uk Kim in a recent post (thanks!).

On Wed, Feb 27, 2008 at 8:43 PM, James Butler
<sweetnavelorange at gmail.com> wrote:
> On Mon, 25 Feb Andrei Kolu wrote:
>  > 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.
>
>  I think your problem is unrelated, and has to do with drawing rendered
>  fonts. My issue is with every pixel on the screen, al the time.... I
>  have tried with little success to take a photo of it, so I'll resort
>  to ASCII art to try to clarify what I mean.....
>
>  The lovely default X background is a pattern like this (o for black, x
>  for white):
>  oooxoooxooox
>  oxoooxoooxoo
>  ooxoooxoooxo
>  xoooxoooxooo
>  oooxoooxooox
>  oxoooxoooxoo
>
>  What I see is (adding c for cyan, m for magenta):
>  oocxoocxoocx
>  cxoocxoocxoo
>  ooxmooxmooxm
>  xmooxmooxmoo
>  oocxoocxoocx
>  cxoocxoocxoo
>
>  (from memory). Is this familiar to anyone?
>
>  Thanks,
>  James
>
Regards,
James