Public bug reported: Grub updates always produce this warning:
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported. And that comes from default grub config file: $ diff -u3 /etc/default/grub /usr/share/grub/default/grub $ cat /usr/share/grub/default/grub # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. # For full documentation of the options in this file, see: # info -f grub -n 'Simple configuration' GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX="" ... ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: grub2-common 2.02~beta3-4ubuntu7.1 ProcVersionSignature: Ubuntu 4.13.0-30.33-generic 4.13.13 Uname: Linux 4.13.0-30-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia ApportVersion: 2.20.7-0ubuntu3.7 Architecture: amd64 CurrentDesktop: i3 Date: Wed Jan 24 23:12:18 2018 SourcePackage: grub2 UpgradeStatus: Upgraded to artful on 2017-10-20 (96 days ago) ** Affects: grub2 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug artful package-from-proposed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1745221 Title: Default grub config gives warnings To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1745221/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs