(In reply to MirceaKitsune from comment #22)
> Wasn't sure whether to bump this same bug report, as the original issue has
> clearly been fixed during nearly an year of countless Kernel + Mesa + driver
> updates.

In this case please open up a new bug report, cause the old logs are most
likely completely useless for the new bug.

> Unfortunately I now experience a new issue acting just like what I
> described here at the time: When certain 3D engines are running, there is a
> chance that after a few minutes the machine instantly freezes and becomes
> fully unusable until powered off and back on. I don't know when the new
> crash was implemented since I haven't played a lot of 3D games recently, but
> I'd assume somewhere within the last few months.

Any chance to narrow that down further?