Going on 4 weeks...

1. The only action we took, was upgrading our clean-install of 10.04.

2. We expected the new kernel to boot.

3. "Invalid magic number" hangs the computer from booting to desktop,
everyday,  unless the offending kernel is removed. Users must know to
select another kernel.

When the offending kernel is removed, which I have purged and
reinstalled several times, and getting "Invalid magic number", every
time, this also removes "linux-image", and this system is then stuck,
not kernel upgrading, with the old kernel, without further technical
intervention. Whatever security, bugs, and function, the new, now main
stream kernel effects, is lost. Total Ubuntu, system integrity, is
compromised.

Obviously, this makes Ubuntu look bad. I have strong concerns, of slower
Ubuntu adoption and therefore less mainstream, and comprehensive
integrity.

Thoughts: Logically speaking, and since it didn't work, when I tried
GRUB legacy (and then returned to Grub "2"), it's seems to me, the
"Invalid magic number" error, suggests this kernel build does not work
with SOME systems. Especially, since the old kernel boots off of, the
self same EXT4 partition. We may need another kernel build in order to
stop this error and keep Ubuntu working, on more systems. We may be
missing many instances, of this fundamental error.

Dynamic upgrades are a major success of Ubuntu, and a necessity of
modern computing. When this breaks, even if for a fraction of users, on
their MISSION CRITICAL systems, the priority is of the highest.

Q: How can I know the current status and ETA, of the next, official
Ubuntu generic kernel build?

-- 
package linux-image-2.6.32-24-generic 2.6.32-24.39 failed to install/upgrade 
with grub2 error "Invalid magic number"
https://bugs.launchpad.net/bugs/613967
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