I would suppose it is a hardware issue, too. Have you tried memtest86 ( http://www.memtest.org/ ) ?
Let this check run about 20 hours. I experienced a problem on my router after 12 runs of the complete test suite, but immediately unziping one special file. According to http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/30417.pdf your Opteron is specified for not more than 65°C case (processor package) and 70°C measured by the thermal sensor diode. But I would check fan, heatsink and thermal compound nevertheless. 62°C might be a problem. My San Diego AMD64 4000+ reaches about 40°C if I am compiling a kernel. Greets, Christoph -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]

