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I have a fresh Arch install on an HP EliteBook 8560w. It has an AMD FirePro M5950 videocard similar to the AMD Radeon HD 6770M. The problem is with the open source video driver for this card. It does not work properly. Sometimes I get a black screen and in a dual head setup I am getting a weird offset on my primary monitor:

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I hope someone can provide me with a solution or maybe some pointers towards the solution. Maybe show me which log or config files to look at.

The fglrx proprietary drivers work correctly so I don't think this is a hardware problem.

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