@alpha1: I'm just another vaguely-confused "end user" like you; as far
as I can tell there should be "no reason" for the kernel to *demand* PAE
aside from Ubuntu apparently wanting to make sure all their users have
W^X protections (given Ubuntu's popularity among distributions, that's a
fair point, but only the subset of users with PAE-less hardware would be
vulnerable if they simply gave up on the apparently annoying-to-maintain
emulation patch) ... and guarantee that people with >4GB running 32-bit
can see all their RAM (the main reason PAE exists).

As far as I can tell the 'official' solution is to hang back with 12.04
LTS and see what happens when the 'LTS' runs out.  I don't think many
other distributions have made the same decision yet (some people have
pointed back to 'plain old Debian', for instance) and there's always the
"fun" options of customizing your own kernel or trusting someone's
unofficial build - so if you want to stick with 12.10, check around the
forums for links to PPAs.

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https://bugs.launchpad.net/bugs/1066294

Title:
  package linux-image-3.5.0-17-generic (not installed) failed to
  install/upgrade: subprocess new pre-installation script returned error
  exit status 1

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