[lubuntu] fglrx on 5800k in 3d causing memory failures

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http://ubuntuforums.org – I have a fresh media center pc build with an a10-5800k and some corsair 2133 ram. At the XMP profile, with stock speed, memtest86 and memtest86+ have passed runs for 6 hours and ~10 runs each. The radeon driver works fine. Fglrx runs fine (sans the need to install generic linux headers) up until I use any 3d application. And soon after starting to run such an application I get systemic memory failures that leave the system unresponsive and the display in a corrupt state with malformed patches of green and blue pixels that stutter. If I downclock the memory to 1866, this never happens. I (Hardware)