Bug 740601

Summary: Upgrades using preupgrade should downgrade packages as appropriate
Product: [Fedora] Fedora Reporter: Dmytro Taranovsky <dmytro>
Component: preupgradeAssignee: Richard Hughes <hughsient>
Status: CLOSED WONTFIX QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
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Version: 15CC: hughsient, jnovy
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Description Dmytro Taranovsky 2011-09-22 12:01:31 EDT
While upgrades using yum distro-sync can downgrade packages as appropriate, upgrades using preupgrade (as far as I know) cannot, which in certain circumstances can result in a broken system. See for example
Bug 739746 - dhcp / bind mismatch on f15 to f16 upgrade: no network
In such cases, the desired behavior for upgrades using preupgrade is to automatically downgrade the appropriate packages (or at a minimum warn about the dependency problems).
Comment 1 Fedora End Of Life 2012-08-06 16:02:58 EDT
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(Please note: Our normal process is to give advanced warning of this 
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Comment 2 Fedora End Of Life 2012-08-06 16:02:58 EDT
This message is a notice that Fedora 15 is now at end of life. Fedora 
has stopped maintaining and issuing updates for Fedora 15. It is 
Fedora's policy to close all bug reports from releases that are no 
longer maintained.  At this time, all open bugs with a Fedora 'version'
of '15' have been closed as WONTFIX.

(Please note: Our normal process is to give advanced warning of this 
occurring, but we forgot to do that. A thousand apologies.)

Package Maintainer: If you wish for this bug to remain open because you
plan to fix it in a currently maintained version, feel free to reopen 
this bug and simply change the 'version' to a later Fedora version.

Bug Reporter: Thank you for reporting this issue and we are sorry that 
we were unable to fix it before Fedora 15 reached end of life. If you 
would still like to see this bug fixed and are able to reproduce it 
against a later version of Fedora, you are encouraged to click on 
"Clone This Bug" (top right of this page) and open it against that 
version of Fedora.

Although we aim to fix as many bugs as possible during every release's 
lifetime, sometimes those efforts are overtaken by events.  Often a 
more recent Fedora release includes newer upstream software that fixes 
bugs or makes them obsolete.

The process we are following is described here: 
http://fedoraproject.org/wiki/BugZappers/HouseKeeping