[Bug 1834224] [NEW] grub change timeout not working

[p-thor]

Public bug reported:

after updating /etc/default/grub and running update-grub or update-grub2
the changes do not do anything.

The settings changed are:
GRUB_DEFAULT="0"
GRUB_TIMEOUT="0"
GRUB_HIDDEN_TIMEOUT="0"
GRUB_HIDDEN_TIMEOUT_QUIET=true


I have mucked about with the settings above and they seem to do nothing to /boot/grub/grub.cfg
When I change the 30 second timeout there after reboot I do see a change. So it seems that the config generator is not working properly?

ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: grub-efi-amd64 2.02+dfsg1-12ubuntu2
ProcVersionSignature: Ubuntu 5.0.0-20.21-generic 5.0.8
Uname: Linux 5.0.0-20-generic x86_64
ApportVersion: 2.20.10-0ubuntu27
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Tue Jun 25 18:40:31 2019
InstallationDate: Installed on 2019-06-20 (4 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
SourcePackage: grub2
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub2 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug disco

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https://bugs.launchpad.net/bugs/1834224

Title:
  grub change timeout not working

Status in grub2 package in Ubuntu:
  New

Bug description:
  after updating /etc/default/grub and running update-grub or update-
  grub2 the changes do not do anything.

  The settings changed are:
  GRUB_DEFAULT="0"
  GRUB_TIMEOUT="0"
  GRUB_HIDDEN_TIMEOUT="0"
  GRUB_HIDDEN_TIMEOUT_QUIET=true

  
  I have mucked about with the settings above and they seem to do nothing to /boot/grub/grub.cfg
  When I change the 30 second timeout there after reboot I do see a change. So it seems that the config generator is not working properly?

  ProblemType: Bug
  DistroRelease: Ubuntu 19.04
  Package: grub-efi-amd64 2.02+dfsg1-12ubuntu2
  ProcVersionSignature: Ubuntu 5.0.0-20.21-generic 5.0.8
  Uname: Linux 5.0.0-20-generic x86_64
  ApportVersion: 2.20.10-0ubuntu27
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Jun 25 18:40:31 2019
  InstallationDate: Installed on 2019-06-20 (4 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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