Updating to 2.0.8 seems to have fixed it for me.

Okay I think you're onto something. My laptop was still working with Factorio -- ostensibly because it was set up with an ancient Arch mirror that hadn't synced since June. After updating on a current mirror, everything is broken.

I've tried downgrading packages as follows, but there were ...

I'm fully up-to-date -- gcc and gcc-libs are the following version: 14.2.1+r134+gab884fffe3fc-1. Do you have a suggestion for a version to try?

I'm seeing something similar (same stacktrace), with similar specs. Have you managed to get anywhere? I saw a very vague statement somewhere on a seemingly unrelated SIGSEGV issue that led me to believe it might have something to do with the AMD driver, but it seems like that's not the likely ...