[Bug 2100718] Re: GRUB2 Configuration Issue: GRUB_TIMEOUT_STYLE ignored when GRUB_RECORDFAIL_TIMEOUT is not set

[Frédéric LAVOINE]

Hi Mate,

/boot : ext4 of a md (raid 1 of 3 slices of 1.5 GB each /dev/sda2
/dev/sdb2 /dev/sdc2) configured during first installation thru
installation tool.

/dev/sda1 /dev/sdb1 /dev/sdc1 are for /boot/efi vfat first partition was created during installation on 
/dev/sda1 and /dev/sdb1, /dev/sdc1 were added as supplementary copies during installation.

/dev/sda3, /dev/sdb3, /dev/sdc3 are member or a raid md on with root-vg
is configured and formatted as ext4.

all disks are SSD from Samsung, same model, same firmware, same
generation (bought all together).

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to grub2 in Ubuntu.
https://bugs.launchpad.net/bugs/2100718

Title:
  GRUB2 Configuration Issue: GRUB_TIMEOUT_STYLE ignored when
  GRUB_RECORDFAIL_TIMEOUT is not set

Status in grub2 package in Ubuntu:
  New

Bug description:
  Subject: GRUB2 Configuration Issue: GRUB_TIMEOUT_STYLE ignored when
  GRUB_RECORDFAIL_TIMEOUT is not set

  Dear Ubuntu/Canonical Team,

  I'm writing to report an issue with GRUB2 configuration in Ubuntu that
  affects the boot experience.

  Issue Description:
  When GRUB_TIMEOUT and GRUB_TIMEOUT_STYLE are set in /etc/default/grub but GRUB_RECORDFAIL_TIMEOUT is not defined, the system ignores these settings and defaults to a 30-second timeout with menu display, regardless of the GRUB_TIMEOUT_STYLE setting.

  Steps to Reproduce:
  1. Set in /etc/default/grub:
     GRUB_TIMEOUT=0
     GRUB_TIMEOUT_STYLE=hidden
  2. Run sudo update-grub
  3. Reboot the system
  4. Observe that GRUB still shows a menu with a 30-second timeout

  Expected Behavior:
  The system should respect GRUB_TIMEOUT and GRUB_TIMEOUT_STYLE settings.

  Actual Behavior:
  The system uses hardcoded 30-second timeout values from /etc/grub.d/00_header:
  set timeout=${GRUB_RECORDFAIL_TIMEOUT:-30}
  Workaround:
  Adding GRUB_RECORDFAIL_TIMEOUT=5 to /etc/default/grub resolves the timeout issue, but this is not documented in the GRUB configuration manual pages.

  System Information:
  - Ubuntu Version: 24.10 (Oracular Oriole)"
  - GRUB Version: grub-install (GRUB) 2.12-5ubuntu5.1
  - Installation Type: Server + sudo apt install ubuntu-desktop

  This behavior is confusing for users who expect their GRUB
  configuration to be applied as specified. It also unnecessarily
  extends boot time when a faster timeout is desired.

  Thank you for your attention to this matter.

  Best regards,
  Frédéric Lavoine

  ProblemType: Bug
  DistroRelease: Ubuntu 24.10
  Package: grub2 (not installed)
  ProcVersionSignature: Ubuntu 6.11.0-18.18-generic 6.11.11
  Uname: Linux 6.11.0-18-generic x86_64
  ApportVersion: 2.30.0-0ubuntu4
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Mar  2 21:31:26 2025
  InstallationDate: Installed on 2025-03-01 (1 days ago)
  InstallationMedia: Ubuntu-Server 24.10 "Oracular Oriole" - Release amd64 (20241007.1)
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/2100718/+subscriptions