Upgrade to 17.04 gnome-flashback issue

[Ralf Mardorf]

On Sat, 28 Oct 2017 22:00:18 -0700, NoOp wrote:
>3rd party software PPA's are disabled on upgrade, so all 16.04 PPA
>packages remain 16.04 following the 17.04 upgrade. Renabling, updating,
>and upgrading to 17.04 versions made no difference - was my point

It depends on the used PPA, if already installed third party software
has got impact on official packages or not. It even depends on the
PPA's packages, if they are upgraded or not, e.g. if a package is
available by a PPA and by official packages or not by official packages.

The issue you experience might have nothing to do with the used PPAs,
but actually your install is a tainted install. That there's no
difference with or without PPAs enabled means nothing at all.