Unity does not load when selecting Xorg open source radeon driver

Posted by Teddy Thorpe on Ask Ubuntu See other posts from Ask Ubuntu or by Teddy Thorpe
Published on 2012-11-28T02:59:17Z Indexed on 2012/12/17 5:13 UTC
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When I select the X.org Radeon open source driver, Unity does not load. However, when I select the Proprietary AMD Driver from the official Ubuntu repository, Unity does load. Why is Unity doing this? I had no problems with switching between these drivers in Ubuntu 12.04 LTS. This started happening when I upgraded to Ubuntu 12.10.

Before I ever installed the propriatery AMD driver, the X.org driver loaded Unity fine, but very sluggishly. I downloaded the AMD driver from their official website and installed that first and that is what started this problem. I removed that driver and went back to X.org and X.org didn't load Unity either. Then using Synaptic, I installed the AMD driver from the Ubuntu repositories and thats what I'm using now. I'm very confused why that downloaded AMD driver would effect X.org.

I have a AMD Radeon HD 6620G. It's integrated graphics on my AMD A8-3500M APU (Accelerated Processing Unit as AMD advertises it).

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