Will verfy this again .... I'm not too old to learn something newAdrian wrote: ↑Sun Aug 12, 2018 1:21 pmDoesn't seem to be correct at least in my trials, I left GRUB_DEFAULT to something else and used grub-reboot that set memtest as default at the next reboot. I'm satisfied with forcing a 5 seconds timeout when somebody selects memtest. It's a good failsafe should not confuse people too much.
But the 5 seconds are a good survival time!