Hello, our four way Opteron 842 (Quartet MB) with 8GB of RAM running Suse 9.1 haves some problems: After some time (always different) the system hangs completely. I've attached a console to check for error messages, but there are none. The system justs hangs without complaining. Next step was to reduce the memory to 4GB, but nothing changed. I've also tried to do the memcheck from the DVD, but immediately after starting the check, an error (something like 'unexpected interrupt') occurs and the test is aborted. Does anybody have a good idea or perhaps the same problem? Until now, I don't even know if it is a software or hardware problem. Regards, Holger -- Holger Fröning (mailto:holger@ra.ti.uni-mannheim.de) University of Mannheim - Computer Architecture Group URL: http://ra.ti.uni-mannheim.de -------------------------------------------------------