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[gentoo-user] urgent : chicken-egg problem

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Helmut Jarausch

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Nov 11, 2009, 4:30:02 AM11/11/09
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Hi,,

somehow one of my machines is broken.

After uninstalling x11-drivers/ati-drivers
eselect opengl set xorg-x11
gives
Switching to xorg-x11 OpenGL interface...!!! Error: No proper xorg-x11 or xorg-x11 opengl implementation found

Trying to re-emerge media-libs/mesa fails during install
Switching to xorg-x11 OpenGL interface...!!! Error: No proper xorg-x11 or xorg-x11 opengl implementation found
exiting

and trying to re-emerge x11-base/xorg-server
fails because of missing file
/usr/lib64/libGL.so

So, how can I cut this Gordean knot?

Many thanks for your help,
Helmut.

--
Helmut Jarausch

Lehrstuhl fuer Numerische Mathematik
RWTH - Aachen University
D 52056 Aachen, Germany

walt

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Nov 11, 2009, 1:10:03 PM11/11/09
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On 11/11/2009 01:22 AM, Helmut Jarausch wrote:
> Hi,,
>
> somehow one of my machines is broken.
>
> After uninstalling x11-drivers/ati-drivers
> eselect opengl set xorg-x11
> gives
> Switching to xorg-x11 OpenGL interface...!!! Error: No proper xorg-x11 or xorg-x11 opengl implementation found
>
> Trying to re-emerge media-libs/mesa fails during install
> Switching to xorg-x11 OpenGL interface...!!! Error: No proper xorg-x11 or xorg-x11 opengl implementation found
> exiting
>
> and trying to re-emerge x11-base/xorg-server
> fails because of missing file
> /usr/lib64/libGL.so

If the ati-drivers are like my nvidia drivers you many have a dangling
symlink at /usr/lib/libGL.so:

/usr/lib/libGL.so <----- This is a symlink to one of the two libs below
/usr/lib/opengl/xorg-x11/lib/libGL.so
/usr/lib/opengl/nvidia/lib/libGL.so

Try pointing that symlink to the opengl version of libGL.so.

Helmut Jarausch

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Nov 12, 2009, 6:00:02 AM11/12/09
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Thanks, this helped. I ran symlinks -dr on /usr
Initially this didn't help.
Once I've stopped the X server, I could re-emerge mesa which
fixed the problems.
Many thanks again,

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