Any keyboard input made on the login screen crashes the login manager

[hui]

If i remember right, there was a thread which mentioned that this was XCB related.

Edit: This one…

Keyboard problems after update

Libxkbcommon dev here. First of all, sorry for the inconvenience. An upgrade request has been send for Tumbleweed; it should land pretty soon. Meanwhile you may want to fallback to the previous snapshot or downgrade manually using packages from e.g. this page.

But after reading again…it seems not really related to your issue.