Comment 45 for bug 1273764

I also seems to be affected by this. I don't know though if adding GRUB_RECORDFAIL_TIMEOUT=1 or 0 to /etc/default/grub will fix it. Every now and then (not always) grub menu shows up when booting. Which it shouldn't do, I haven't any other os installed on the computer. No boot failure has happened neither so I couldn't think of grub menu appearing because of that. I'm using Ubuntu stock 20.04. Is there some problem with grub which could lead to this behavior? And what is the best way to fix grub menu randomly appearing at boot up?