sddm not starting after upgrade

[Valorie Zimmerman]

On Thu, Mar 12, 2015 at 3:39 PM, Jonathan Riddell <jr at jriddell.org> wrote:
> Today's update has a nice daily image working well with ubiquity-dm but
> seems to fall for a mysterious bug on some upgrades where login manager sddm
> does not run if you reboot
>
> https://bugs.launchpad.net/ubuntu/+source/sddm/+bug/1431332
>
> you can start it manually by logging in at the linux console and running
> systemctl start sddm
>
> and a reinstall of the live cd fixes it
>
> but as yet I've no idea what makes it not start sddm.  Any suggestions
> welcome.
>
> Jonathan

I was hit with that after upgrades today. One of the packages updated
was SDDM - perhaps that update should be examined. Yesterday's updates
pulled in systemd for me with no problems. (I had waited a few days
for systemd in case of problems.)

On a related note, I upgraded my old laptop running 14.10 + next ppa
today. I used the advice we're now publishing here:
https://community.kde.org/Plasma/Packages#Kubuntu . I updated the
advice since `do-release-upgrade` doesn't work, and will not until
release. `kubuntu-devel-release-upgrade` works.

Errors and failure were reported on the upgrade, and I was unable to
shut down since upstart had been removed.

After I shut it off with the power button, I got the weird blank
screen + starting system #, but Riddell's advice above worked, plus I
had to startx.

Once the system had actually booted into KDE, everything looks tops.
Even my wireless turned on automatically once kwallet got its
password. \o/

So we've got a few things to fix before release, but overall, things went well.

Valorie