Yum update from Fedora 14 -> 15 WARNING! UPDATE

Mon May 30 20:17:59 UTC 2011

On Mon, 30 May 2011 18:44:01 +0100, NG wrote:

> OK, folks I have just reinstalled Fedora 14, (KDE minimal and working),
> updated, (working) , then upgraded to Fedora 15 and it still fails
> completely.

Updating the F14 prior to upgrading it to F15 may be a mistake
already, given that F14 updates may be newer than F15 release. Do you
enable the "updates" network repo during F15 upgrade?