Bug#630225: [nvidia-installer-cleanup] Does not install correctly, though nvidia works!

[David Baron]

On Saturday 16 Sivan 5771 06:28:50 Andreas Beckmann wrote:
> On 2011-06-15 20:55, David Baron wrote:
> > On Wednesday 13 Sivan 5771 11:18:53 Andreas Beckmann wrote:
> >> Try
> >> 
> >>     dpkg-reconfigure nvidia-installer-cleanup
> >> 
> >> Andreas
> > 
> > Did this OK. Did not change anything.
> 
> Reinstall nvidia-installer-cleanup and post the error message this
> installation produces. There must be some error as the package does not
> configure properly.
> 
> Andreas

This is it:
Setting up nvidia-installer-cleanup (20110515+1) ...
Setting up libglx-nvidia-alternatives (270.41.19-1) ...
ERROR: /usr/lib/xorg/modules/extensions/libglx.so does exist even if it is 
diverted. Aborting.
dpkg: error processing libglx-nvidia-alternatives (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of nvidia-glx:
 nvidia-glx depends on libglx-nvidia-alternatives; however:
  Package libglx-nvidia-alternatives is not configured yet.
dpkg: error processing nvidia-glx (--configure):
 dependency problems - leaving unconfigured
configured to not write apport reports
                                      configured to not write apport reports
                                                                            Errors 
were encountered while processing:
 libglx-nvidia-alternatives
 nvidia-glx
E: Sub-process /usr/bin/dpkg returned an error code (1)

So .. the cleanup does install. The libglx-nvidia-alternatives problem is 
still thee. Note that I synlinksed the extensions/libglx.so myself--it has no 
effect, however, some programs look for something there to know that opengl is 
available! This is NOT what caused the original error which is what ends this 
report.

So ... two things here:

1. Something does need to be in /usr/lib/xorg/modules/extensions/libglx.so 
whether or not diverted, dummy or for real. Otherwise, flightgear, for 
example, will not run!

2. There is a problem in the libglx-nvidia-alternatives script preventing its 
configuration. As I posted, nothing is set up for libglx.so but that it 
apparently does not matter, that the libGL1 setup seems to take care of this.
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