https://bugzilla.novell.com/show_bug.cgi?id=631284
https://bugzilla.novell.com/show_bug.cgi?id=631284#c11
--- Comment #11 from Stefan Dirsch 2010-09-19 10:00:30 UTC ---
Well, there are several reasons why a triple head setup cannot really work at
all for you at the moment with ATI/NVIDIA cards when using NVIDIA's proprietary
driver.
(1) Multi card setups are known to be broken upstream at least since
xorg-server 1.5 [1]. It's interesting that you managed to mix a driver for
your ATI card (which one?) with NVIDIA's proprietary driver .
(2) Since for OpenGL a complete different software stack is used by the nvidia,
fglrx and opensource drivers (like intel,radeon,nouveau), you can only mix
opensource drivers to get OpenGL support working. Since with nvidia
driver also part of the Xserver stack (GLX extension) is replaced you might
run into issues like Xserver crashes when mixing this driver with an
opensource driver like radeon.
I would suggest to use Twinview instead of Xinerama for the proprietary driver
by nvidia. Maybe this already fixes your issues. To address (2) you would need
to switch to a radeon/nouveau driver combination.
[1] This is being worked on upstream. How this is going to work together with
KMS I don't know.
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