text_combined: ntdreuzhawaiirrcom tuesday 04 march 2008 064128 per jessen wrote im starting new thread new results significantly changed situation undoubtedly remember discussion stability problems new workstation couple weeks ago ill quickly sum 1 gigabyte motherboard quite new model 2 amd phenom quadcore cpu 22ghz 3 4gb memory 4 software raid1 sata disks 5 ati radeon x1650 6 850w powersupply subject system stress testing mprime automatically reboot fairly short time asked mersenne prime mailing list lot people use mprime anyone anything add george woltman mprime author suggested running small fft test would use lot memory obviously memory problem mind well interesting results machine running almost hour 4 mprime instancesthreads already passed first selftests started cpu temperature rose almost immediately 6364c seemed settle 66c hit 67c settled back 60c leave memory memory controller problem memtest86 fails spot per jessen zürich conflicting indicators ram issues could still either software hardware issue thread suggestions installing windoze running mprime windoze seems time come swallow hard take deep breath temporarily submit unmentionable possible mem86 right first encounter important os weakness memory access hardware erron multicpu chips relevant gurus require input good luck thu 07 aug 2008 230537 1000 opensuse ot unstable system still trying identify culprit update