On Wed, 2011-04-06 at 21:28 +1000, Erik Christiansen wrote:
> Perhaps b) is the way to go?

At the risk of appearing an ungrateful wretch, it seems the problem has
been transformed from:

- remember to edit /boot/grub/grub.cfg after each kernel update

into one or more of:

- modify / debug / maintain various system scripts
- maintain wrappers around various grub scripts
- maintain / remember to apply filter scripts for grub.cfg
- risk grub update failures due to locally modified files

While script twiddling may be a cleaner solution, the whole apparat can
cause even more mysterious failures than my usual "Whoops, forgot to
edit grub.cfg again!" error. Any system update that clobbers those files
or the assumptions going into them will (silently) cause a boot with
EMC2 unable to run.

Worst case, the mods may trigger truly weird & wonderful behavior by
unexpectedly (and silently) pooching grub.cfg, perhaps rendering the
entire system unbootable by mere mortals.

It's now painfully obvious that the requirement for different kernel
options on different kernels wasn't part of the *cough* Grub2 system
architecture planning process.

Fortunately, we *may* get a new leach field in the next few days, after
which I can think about something other than sewage. Suffice it to say
some projects have been backing up around here.

Thanks to all for exploring some solutions that I was only dimly aware
of...

-- 
Ed
http://softsolder.com



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