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I'm running Ubuntu 12.04 x86_64 (though these issues have existed in previous releases too) and have a Radeon 6800 graphics card. I've run into issues with the open-source driver (the system would randomly hang when shutting down) so I switched to the proprietary driver (I compiled it myself using these instructions), but I am having new problems now.

The main issue is that when I go into sleep mode, about 50-75% of the time, the screen goes black but the monitor does not actually shut off, and I can hear that the fans/hard drive are not suspending either. I can't get the computer to wake up (Ctrl+Alt+F1,2,3,etc. does not work), and I always end up force shutting down with the power button.

I'd really appreciate help! Here is some information that might be helpful:

$ fglrxinfo
display: :0  screen: 0
OpenGL vendor string: Advanced Micro Devices, Inc.
OpenGL renderer string: AMD Radeon HD 6800 Series  
OpenGL version string: 4.2.11631 Compatibility Profile Context

$ dmesg | grep fglrx
[...]
[    6.718606] [fglrx] module loaded - fglrx 8.96.4 [Apr  5 2012] with 1 minors
[...]
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2 Answers 2

I think the problem is the instructions you used specifically this line

sudo sh ./amd-driver-installer-12-4-x86.x86_64.run --buildpkg Ubuntu/oneiric

You state you are running 12.04 Precise but the instructions you used are for oneiric Ubuntu 11.10.

Please review the accepted answer to this question for the correct method to install catalyst on 12.04. You may need to purge some of your install before proceeding.

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It appears that this works properly with Catalyst 12.6 (released yesterday)!

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What evidence do you have to back this up - please share. catalyst 12.6 is a beta release –  Stephen Myall Jun 29 '12 at 12:06

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