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@32M,4G-32G:512M@32M,32G-64G:1024M@32M,64G-128G:2048M@32M,128G-:4096M@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
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