This is expected behavior; it's just under documented =( curtin writes /etc/default/grub.d/50-curtin-settings.cfg
even if there aren't any extra args from maas due to the maas images which include a default console=ttyS0 setting, forcing serial output even if users don't ask for it. (curtin revno: 98). Grub has been modified to allow files in /etc/default/grub.d/*.cfg to override /etc/default/grub to allow control without touching /etc/default/grub (ie, leave it pristine). https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/901600 However, none of this is documented in a user-visible fashion (like insde /etc/default/grub itself). You may want to reopen grub2 task and request/supply a comment to the default template indicating this. ** Changed in: curtin (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1569567 Title: Running update-grub does not update /boot/grub/grub.cfg with GRUB_CMDLINE_LINUX_DEFAULT from /etc/default/grub To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/curtin/+bug/1569567/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
