Drivers?
I've rolled back and forth and completely uninstalled them so many times I've lost count. I've been trying to troubleshoot individual cards by running several instances of the miner, but I can't find any logic behind the crashes.
It only affects the higher end cards 1070ti and 1080ti.
It kind of looks like the PSU is shutting down, but that's kinda impossible since other algos use way more power than lyra2z and run stable.