Ok, it turned out to be hardware failure. I tested the board again just now, and I can't even boot into a live CD anymore without the computer rebooting randomly and the chips getting dangerously hot, even memtest doesn't run longer than a few seconds.
I guess this renders the issue moot.
Ok, it turned out to be hardware failure. I tested the board again just now, and I can't even boot into a live CD anymore without the computer rebooting randomly and the chips getting dangerously hot, even memtest doesn't run longer than a few seconds.
I guess this renders the issue moot.