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In Lubuntu, if you click on the shutdown button, the one to the right on the panel; the whole window system slows down and any click you make takes more than 20 seconds to complete.

From around the web it seems like this is a problem with the drivers for AMD cards, however I can't state it as a fact.

I'm using a SAPPHIRE HD 7770.

givanse
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1 Answers1

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The root cause of the problem has not been found, but there is a solution:

Update your video card drivers.

In my case: What is the correct way to install ATI Catalyst Video Drivers (fglrx)?

Before doing any changes execute this:

fgl_glxgears

And again after you are done. This will give you some data for comparisons afterwards.

Community
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givanse
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  • You should modify your question because your answer applies to amd. –  Jan 28 '14 at 03:47
  • Done. Since I do not know the real cause for the problem, I can't tell if it is an AMD exclusive problem. – givanse Jan 28 '14 at 04:11