Bug#588026: Importance of partial upgrades

[Adam D. Barratt]

On Sat, 2010-10-16 at 20:50 +0200, Helge Kreutzmann wrote:
> the partial upgrade of lvm breaks grub2 (cf. #588026), however this is
> not mentioned in the control file. I was bitten by this quite hard and
> reported it, according to my understanding of policy this is "only"
> important, however. I've seen no maintainer reaction on this issue,
> unfortunately, but before reconsidering the severity I would like to
> ask debian-release how you would rate this issue.

Partial upgrades from one stable release to another are expected to
work, unless there's a really good reason (of the kind which one would
most likely expect to be mentioned somewhere prominent such as in the
Release Notes).

If installing the squeeze version of lvm2 on a lenny system leaves the
system in an unbootable state then that would be an RC bug.

Regards,

Adam