Comment 31 for bug 1642298

On Fri, Jun 30, 2017 at 3:06 PM, Blake Rouse <email address hidden>
wrote:

> I think having MAAS tell curtin to set the grub2/update_nvram to False,
> works fine. Since the path to the EFI loader should not change this is
> acceptable.
>
> Having grub adjust the EFI vars because of an upgrade is really bad in
> MAAS case because a following re-deploy will no longer work.
>

We currently have a config key:

grub:
  update_nvram: <boolean: default False>

Which tells curtin whether or not to pass the --no-nvram flag to
grub-install

We could also set the grub2/update_nvram debconf value to match this config.
Will that achieve the desired goal?
Is there a use-case for a separate value used during grub-install than from
what one would put in the debconf value?

>
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> https://bugs.launchpad.net/bugs/1642298
>
> Title:
> UEFI Xenial install sets computer to boot from hard disk
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