Crashing when rewinding

[Flesh]

So, since somewhat recently, every time I try to rewind in a game, the game usually crashes by accessing some incorrect memory addresses. This seems true for every GBA game I've tried.
It also tends to spew out some stuff about stub or illegal opcodes.
It seemed to work quite well before, but recently started breaking.
I'm on Arch Linux, so that brings a whole different mess there.
What should I do to try and remedy this?

[endrift]

Can you try installing mgba-qt-git from AUR? I made some changes to rewind recently to see if they improved stability of rewinding but I haven't been able to prove if it does yet.

[Flesh]

Can you try installing mgba-qt-git from AUR? I made some changes to rewind recently to see if they improved stability of rewinding but I haven't been able to prove if it does yet.

I should've tried that earlier, to be honest.
It seemed to work at first, but after I downloaded some updates and rebooted, the issue pops up again. Real weird. I'm afraid it may be some weird mess with some libraries or something...
Either way, thanks for the advice.

[Flesh]

Oh, fucks sake.
Somehow, it seems related to running other stuff at the same time.
I think running firefox *somehow* manages to mess with it.
At this point this seems like it could well be more of a system/hardware issue than mgba issue.