dom0 /etc/default/grub value incorrect

[brendanhoar]

Qubes OS version:

R4.0, currently updated to testing

Affected component(s):

/etc/default/grub contents

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Steps to reproduce the behavior:

Change GRUB_DISABLE_SUBMENU to the opposite value
Rebuild grub config

Expected behavior:

Grub menu changes

Actual behavior:

No change to grub menu on boot.

General notes:

In default setup, /etc/default/grub has a line like this:
GRUB_DISABLE_SUBMENU=true

However, if the intent was really to disable the submenu and show everything in a single list, it really should have been:

GRUB_DISABLE_SUBMENU="y"

After making that change and rebuilding grub config, all permutations of installed XEN and KERNELS are presented.

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Related issues:

[brendanhoar]

Just a reminder - really setting this correctly (as the default) might really help folks who have a broken init.rd on their newly downloaded kernel get back to a working system faster. Just noticed a confused discussion on the list today regarding something similar.

[marmarek]

I see there is an upstream patch to accept all three "true", "yes" and "y".
But nevertheless, our intention was not to enable it by default, so I'll also change default value (will affect only new installs, sadly).

[brendanhoar]

Oh well, that backfired. :)