Ubuntu 8.04 LTS upgrade from 7.10 fails

[Oliver Grawert]

hi,
Am Montag, den 28.04.2008, 17:33 -0400 schrieb Robert Stockdale IV:
> On Sun, Apr 27, 2008 at 4:33 PM, Felipe Figueiredo
> <philsf79 at gmail.com> wrote:

> If I could remember which ones were which, then it might not be such a
> problem. I know most of them are Stock Market Charting programs and
> then there are the multimedia installs from medibuntu. There might
> even be one or two programs compiled from source code. Is there a way
> to find this out? Is there a program or script that can be run to
> locate what is not supported?

so imagine one of your packages installed from a 3rd party repo or one
of the apps you compiled yourself into packages have a fixed dependency
on libYXZ-123 .... that lib was available in this version in gutsy, the
third party packages were built against that lib and the packages have a
dependency on exactly this version ... 

... now there is only libXYZ-223 in hardy libXYZ is an essential package
and cant be installed in different versions twice at the same time
without the 223 version packages in hardy will break ...

...the third party packages forcefully try to keep version 123 while the
hardy packages all try to forcefully pull in version 223...

the upgrade would break the system in either way, so update-manager
tells you it cant do it.
the best chance you have is to wait with the upgrade until your third
party maintainers have updated their code or at least rebuilt their
packages to the hardy versions. 

there is nothing you can do from the ubuntu side for this problem but
suggesting to people to not use third part repos or to nag the
maintainers of these repos enough that they update their packages.

ciao
	oli
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