What Fedora makes sucking for me - or why I am NOT Fedora

[Seth Vidal]

On Sun, 14 Dec 2008, Kevin Kofler wrote:

> Seth Vidal wrote:
>> the downgrade problems are as follows:
>>
>> 1. scriptlets are not reversible
>> 2. downgrading works provided the user data/user config is not modified by
>> an update in a one-way process. (ex: mysql upgrade from  4->5 will convert
>> a db, but going back the other way won't fly)
>> 3. There are certain processes which no one is ever going to do the work
>> to make them reversible: lvm1->lvm2, db transitions, udev migration,
>> ext3->ext4.
>
> 4. Some KDE applications use kconf_update to upgrade configuration files to
> a new syntax. This works per user, the first time the KDE libraries are
> used by that user after the upgrade. Other applications may have similar
> per-user config file upgrade mechanisms. This is also not easily
> reversible.


I've documented the problems with downgrading packages here:

http://yum.baseurl.org/wiki/DownGradeProblems

so we can refer to that in the future.

-sv