Am 25.01.2014 23:26, schrieb Tomasz Torcz:
On Sat, Jan 25, 2014 at 02:55:32PM -0500, Simo Sorce wrote:
> The ONLY way to do that is if you do not care at all about user's data
> and simply accept that a rollback will also remove user data.
>
> The reason is simple: lot's of software *changes* data as part of its
> normal functioning, including and often in rollback-incompatible ways.
What user data? There is no user data touched/created during offline upgrade
and what is with the data *between* the upgrade and decision to roll back?