Grub2 and a custom environment variable

[Tom H]

On Wed, Apr 7, 2010 at 9:04 PM, sam <srf10130 at vtc.vsc.edu> wrote:
> Does anyone know how to add a custom environment variable to
> /etc/default/grub and have it be usable in the grub.d scripts.
> I would like to define a GRUB_MAX_KERNEL variable to use in 10_linux,
> but simply adding it to /etc/default/grub doesn't quite cut it.

See
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/492995