kodi freezes

[Nachteule]

OMG, running apt-get dist-upgrade was very very bad idea

I never talked about dist-upgrade, I said sudo apt-get upgrade see XBian FAQ "Why should I not use apt-get"

Seems you have killed your installation

So you can run into rescue mode see cmdlne options, mount root fs (/dev/mmcblk0p2) and recover system from snapshot automatically made before running apt-get distupgrade