[Bug 1569567] Re: Running update-grub does not update /boot/grub/grub.cfg with GRUB_CMDLINE_LINUX_DEFAULT from /etc/default/grub

[Marc Khouri]

I have the same setup as Felix in the comment above me: Ubuntu 18.04.1
server, installed onto bare metal from a bootable usb stick, neither or
curtin packages are installed. This also results in
/etc/default/grub.d/50-curtin-settings.cfg overriding my
GRUB_CMDLINE_LINUX_DEFAULT from /etc/default/grub.

The file creation time on my /etc/default/grub.d/50-curtin-settings.cfg
matches the time when I first installed Ubuntu on this machine via usb
stick.

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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

Status in curtin package in Ubuntu:
  Confirmed
Status in grub2 package in Ubuntu:
  Confirmed

Bug description:
  Running update-grub does not update /boot/grub/grub.cfg with options
  from GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub

  Reproducer:
  1. edit GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub .
  2. Run update-grub
  3. check /boot/grub/grub.cfg for the correct options

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