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I have installed Catalyst 13.8 beta according to these instructions, and the visual performance is great.

I was having the same problems as in this question until I totally uninstalled unity and replaced it with cinnamon according to these instructions.

When the desktop shows, it's extremely limited with the default unity background and no cinnamon features or even the theme. Windows are immobile, and everything has to be executed by terminal.

When I try to execute cinnamon from terminal, I get this error:

Setting of real/effective user Id to 0/0 failed
libGL error: open uki failed (Operation not permitted)
libGL error: reverting to (slow) indirect rendering
Segmentation fault (core dumped)

How can this be resolved?

(Note, I did this to get my wifi working)

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A segmentation fault means it's a bug - it should never happen in any application. The best thing to do is to report this as a bug so that developers can fix this. –  gertvdijk Aug 27 '13 at 23:34
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closed as off-topic by Thomas W., gertvdijk, Braiam, Eric Carvalho, Alaa Sep 1 '13 at 13:38

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Bug reports and problems with the development version of Ubuntu should be reported on Launchpad so that developers can see, track and fix these issues." – Thomas W., gertvdijk, Braiam, Eric Carvalho, Alaa
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1 Answer

up vote 0 down vote accepted

This has already been solved here.

Now, everything's right and oh so beautiful!

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