[Bug 1846522] [NEW] GRUB_CMDLINE_LINUX_DEFAULT has no effect on grub.cfg

[kelv]

Public bug reported:

----------------
Environment info
----------------

-> lsb_release -rd
Description:    Ubuntu 18.04.3 LTS
Release:        18.04

-> Grub package versions:
grub-common 2.02-2ubuntu8.13
grub-efi-amd64 2.02-2ubuntu8.13
grub-efi-amd64-bin 2.02-2ubuntu8.13
grub-efi-amd64-signed 1.93.14+2.02-2ubuntu8.13
grub-legacy-ec2 1:1
grub-pc 2.02-2ubuntu8.2
grub2-common 2.02-2ubuntu8.13

-----
Issue
-----

After editing /etc/default/grub variable:
GRUB_CMDLINE_LINUX_DEFAULT
and then running
update-grub

Checking /boot/grub/grub.cfg, values are not seen.

However if the GRUB_CMDLINE_LINUX variable is used, the values can be
seen in grub.cfg

The GRUB_CMDLINE_LINUX_DEFAULT does not seem to add the values to
grub.cfg after running update-grub


According to the documentation:
GRUB_CMDLINE_LINUX_DEFAULT -> added to normal mode 
GRUB_CMDLINE_LINUX -> added to both normal and recovery modes


So I am expecting the values to be seen even when I only use 
GRUB_CMDLINE_LINUX_DEFAULT

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

** Description changed:

  ----------------
  Environment info
  ----------------
  
  -> lsb_release -rd
  Description:    Ubuntu 18.04.3 LTS
  Release:        18.04
  
  -> Grub package versions:
  grub-common 2.02-2ubuntu8.13
  grub-efi-amd64 2.02-2ubuntu8.13
  grub-efi-amd64-bin 2.02-2ubuntu8.13
  grub-efi-amd64-signed 1.93.14+2.02-2ubuntu8.13
  grub-legacy-ec2 1:1
  grub-pc 2.02-2ubuntu8.2
  grub2-common 2.02-2ubuntu8.13
  
  -----
  Issue
  -----
  
  After editing /etc/default/grub variable:
  GRUB_CMDLINE_LINUX_DEFAULT
  and then running
  update-grub
  
  Checking /boot/grub/grub.cfg, values are not seen.
  
  However if the GRUB_CMDLINE_LINUX variable is used, the values can be
  seen in grub.cfg
  
  The GRUB_CMDLINE_LINUX_DEFAULT does not seem to add the values to
  grub.cfg after running update-grub
+ 
+ 
+ According to the documentation:
+ GRUB_CMDLINE_LINUX_DEFAULT -> added to normal mode 
+ GRUB_CMDLINE_LINUX -> added to both normal and recovery modes
+ 
+ 
+ So I am expecting the values to be seen even when I only use 
+ GRUB_CMDLINE_LINUX_DEFAULT

-- 
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https://bugs.launchpad.net/bugs/1846522

Title:
  GRUB_CMDLINE_LINUX_DEFAULT has no effect on grub.cfg

Status in grub2 package in Ubuntu:
  New

Bug description:
  ----------------
  Environment info
  ----------------

  -> lsb_release -rd
  Description:    Ubuntu 18.04.3 LTS
  Release:        18.04

  -> Grub package versions:
  grub-common 2.02-2ubuntu8.13
  grub-efi-amd64 2.02-2ubuntu8.13
  grub-efi-amd64-bin 2.02-2ubuntu8.13
  grub-efi-amd64-signed 1.93.14+2.02-2ubuntu8.13
  grub-legacy-ec2 1:1
  grub-pc 2.02-2ubuntu8.2
  grub2-common 2.02-2ubuntu8.13

  -----
  Issue
  -----

  After editing /etc/default/grub variable:
  GRUB_CMDLINE_LINUX_DEFAULT
  and then running
  update-grub

  Checking /boot/grub/grub.cfg, values are not seen.

  However if the GRUB_CMDLINE_LINUX variable is used, the values can be
  seen in grub.cfg

  The GRUB_CMDLINE_LINUX_DEFAULT does not seem to add the values to
  grub.cfg after running update-grub

  
  According to the documentation:
  GRUB_CMDLINE_LINUX_DEFAULT -> added to normal mode 
  GRUB_CMDLINE_LINUX -> added to both normal and recovery modes

  
  So I am expecting the values to be seen even when I only use 
  GRUB_CMDLINE_LINUX_DEFAULT

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