[Bug 1569567] Re: Running update-grub on ppc64el does not update /boot/grub/grub.cfg with options from GRUB_CMDLINE_LINUX_DEFAULT

[Dave Chiluk]

I just verified on x86 + 14.04, and it looks like any changes to the
GRUB_CMDLINE_LINUX_DEFAULT do not end up making their way into
/boot/grub/grub.cfg.

It turns out /etc/default/grub.d/50-curtin-settings.cfg 
sets GRUB_CMDLINE_LINUX_DEFAULT=""

I'm not exactly sure why this is, but I'll move this case over to curtin
as it seems to be the culprit.

** Also affects: curtin (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: grub2 (Ubuntu)
       Status: New => Invalid

** Summary changed:

- Running update-grub on ppc64el does not update /boot/grub/grub.cfg with options from GRUB_CMDLINE_LINUX_DEFAULT
+ Running update-grub does not update /boot/grub/grub.cfg with GRUB_CMDLINE_LINUX_DEFAULT from /etc/default/grub

** Description changed:

- Running update-grub on ppc64el does not update /boot/grub/grub.cfg with
- options from GRUB_CMDLINE_LINUX_DEFAULT.
+ 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 .  
+ 1. edit GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub .
  2. Run update-grub
  3. check /boot/grub/grub.cfg for the correct options
- 
- Unfortunately I've only checked this on a 14.10 ppc64el machine, so this
- needs to be verified on a 14.04 machine, but I didn't want to lose this
- bug just in case.
- 
- It seems to only affect ppc64el hardware.
- 
- My line looked like 
- GRUB_CMDLINE_LINUX_DEFAULT="console=hvc0 crashkernel=2G-4G:320M at 32M,4G-32G:512M at 32M,32G-64G:1024M at 32M,64G-128G:2048M at 32M,128G-:4096M at 32M"

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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:
  New
Status in grub2 package in Ubuntu:
  Invalid

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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