Black screen with plasma 5.20.0

[Tobias C. Berner]

Moin moin

Can you make sure that both plasma5-plasma-workspace and
plasma5-plasma-desktop are installed?
A file moved between the two packages, which might lead to pkg
removing one of them during the upgrade.

mfg Tobias

On Thu, 15 Oct 2020 at 15:25, Jan Henrik Sylvester <me at janh.de> wrote:
>
> Hello,
>
> I have just tried plasma 5.20.0, but only got a black screen after
> login. I could start a Konsole with <Alt>+<F2> to kill plasmashell and
> restart it. This did not help, but I got:
>
> QObject::disconnect: Unexpected nullptr parameter
> QObject::disconnect: Unexpected nullptr parameter
> QObject::disconnect: Unexpected nullptr parameter
> kf.plasma.quick: Applet preload policy set to 1
> Constructing a KPluginInfo object from old style JSON. Please use
> kcoreaddons_desktop_to_json() for "" instead of
> kservice_desktop_to_json() in your CMake code.
> Warning: corona package invalid
> Invalid home screen package
> Containment graphic object not valid
>
> I tried a user with an empty home directory with the same result. It is
> not something in my profile.
>
> Reverting all plasma5 packages to 5.19.5, I got the background and
> desktop, but not the start menu. I had to rollback my home directory, too.
>
> Unfortunately, this is my main work machine and I have to get back to
> work. Hence, I cannot test more. Maybe someone has a clue what is going on.
>
> Cheers,
> Jan Henrik