Scott, thank you for providing the script, and the analysis that led to it. I've run into this issue numerous times but have not been able to suss out exactly what leads to it such that it can be reproduced.
I've linked a relevant Debian bug, which appears to address the same issue, and was filed more recently. ** Bug watch added: Debian Bug tracker #812574 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=812574 ** Also affects: grub2 (Debian) via https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=812574 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/564853 Title: Spurious conffile prompts for /etc/default/grub To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/564853/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs