After setting GRUB_RECORDFAIL_TIMEOUT=5 and update-grub command countdown is set to 5 seconds, as expected. System is closing or restarting without any problem. I'm using BTRFS on root partition and boot partitions and file system doesn't report any problems.
** Changed in: grub2 (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1837948 Title: GRUB_TIMEOUT isn't working as expected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1837948/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs