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re: xsrc/42287 (KDE4 unusable with Intel graphic chipsets)

The following reply was made to PR xsrc/42287; it has been noted by GNATS.

From: matthew green <>
Subject: re: xsrc/42287 (KDE4 unusable with Intel graphic chipsets)
Date: Mon, 07 Jun 2010 08:32:42 +1000

 >  To investigated this behavior somewhat further on I've installed 
 >  NetBSD-current on a machine with a Radeon HD3000 graphics adaptor using 
 >  KDE-4.4.4 from pkgsrc-current. Even there I see those problems with 
 >  distortion and invisible panel. (I've tested both radeon and radeonhd.) So 
 > I 
 >  assume that this effect is not Intel specific. It's more an issue of the 
 >  interaction of KDE4 and the EXA-acceleration.
 >  I agree that it does not really make sense to switch to XAA by default. At 
 >  least in the case of the Radeon driver only EXA acceleration is available.
 i see some corruption on a radeon hd 4670 card with konqueror menus, that
 goes away with i disable radeondrm.  however, then the card performance
 is absysmal there, and i have no Xvideo.
 i bet this is the same problem.  it's on my list of things to deal with.
 thanks for testing all these combinations and reporting the results.

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