Firefox 3 displays pieces of desktop background
oberman at es.net
Mon Nov 17 08:24:57 PST 2008
> Date: Mon, 17 Nov 2008 07:11:57 +0100
> From: Christoph Moench-Tegeder <cmt at burggraben.net>
> Sender: owner-freebsd-x11 at freebsd.org
> ## Mark Kirkwood (markir at paradise.net.nz):
> > I'm on 7.1 Prerelease refreshed a few days ago. I've noticed that
> > Firefox 3 (3.0.4, but 3.0.3 was the same) displays snippets from ones
> > desktop on some webpages (yahoo and youtube being the 2 most recent).
> Image rendering was optimized in Firefox 3, so it breaks with a lot
> of xservers (seems as if some pixmap rendering code is broken in X
> and firefox triggers that problem).
> Try setting Option "XaaNoOffscreenPixmaps" to "true" in the "Device"
> section of your xorg.conf.
Thank yo so much for this suggestion.
I have been annoyed by this odd problem since I started using Firefox3
and this finally make things work correctly. I think this needs to be in
a FAQ somewhere until/unless the Xorg driver is fixed.
In any case, I was seeing this with an ATI Radeon X300 M22 graphics
chipset. I don't seem to see it with my nVidia GeForce 7800 GT based
system. I don't THINK I see it with my old MGA Matrox G450 , but I
won't have my eyeballs in front of that system until next month, si I am
Anyone seeing this with any other graphics device that does not use the
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net Phone: +1 510 486-8634
Key fingerprint:059B 2DDF 031C 9BA3 14A4 EADA 927D EBB3 987B 3751
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