This is definitely the problem. I found it in the journalctl logs. feel free to close. In case anything like this happens again, it could be worth asking people to post the output of
journalctl | grep -i steam

(assuming they're using steam to launch ldo). in my case it looked like:

Apr 01 16 ...

Actually I have a possible candidate - my dotfiles had a ulimit on total cpu time set. I'm trying with that turned off.

Hey there

This is the proper bug report from my post on reddit https://www.reddit.com/r/factorio/comments/88xgqj/frequent_crashes_with_016_on_linux/

I'm getting a lot of crashes on my linux desktop. I'm not 100% sure whether there's a single trigger as there doesn't seem to be any obvious pattern ...