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Date:      Mon, 03 Oct 2011 21:50:43 +0400
From:      "Marat N.Afanasyev" <amarat@ksu.ru>
To:        Adam K Kirchhoff <akirchhoff135014@gmail.com>
Cc:        freebsd-x11@freebsd.org
Subject:   Re: Problems with the radeon driver
Message-ID:  <4E89F5F3.5050404@ksu.ru>
In-Reply-To: <201109051251.58076.akirchhoff135014@gmail.com>
References:  <201109051251.58076.akirchhoff135014@gmail.com>

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Adam K Kirchhoff wrote:
>
> Has anyone else seen this type of artefacting with the radeon driver:
>
> http://adam.visualtech.com/radeon-corruption.jpg
>
> I get it on two different machines, one with an HD4850 and one with an =
HD4350.
> I've put up with it for over a year now, but it's really started to get=
 on my
> nerves.
>
> I've done some testing and it seems to have been introduced in 6.13.0. =
 If I
> go back to 6.12.7, everything is fine.  I'm using X server 1.7.7 from p=
orts,
> with EXA acceleration.  This happens without a compositor running
> (kwin/compiz/xcompmgr).  In the screenshot, it's just plain openbox.  Y=
ou can
> see three windows (Terminal, akregator, chrome) as one big giant mess. =
  This
> happens mostly when moving/resizing windows, but also with scrolling.
>
> Running 'xrefresh' will clear the screen and redraw everything properly=
=2E  But
> then I move a window, and it happens again.  Sometimes it's worse than =
others.
> In the screenshot, it's particularly bad.
>
> Unfortunately, the developers in #radeon on Freenode don't seem paritcu=
larly
> concerned as this bug is only present when using UMS (I had the same is=
sue in
> Slackware at one point when I was using UMS), and UMS is now, essential=
ly,
> deprecated.
>
> There is at least one bug reported on http://bugs.freedesktop.org/ that=
 seems
> to be related: https://bugs.freedesktop.org/show_bug.cgi?id=3D27650
>
> Adam
> _______________________________________________
> freebsd-x11@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-x11
> To unsubscribe, send any mail to "freebsd-x11-unsubscribe@freebsd.org"
>
they say that more probably is a xorg-server bug, see
https://bugs.freedesktop.org/show_bug.cgi?id=3D25497
--=20
SY, Marat


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