i'm on 0.4 and for the past few days it just keeps dropping to ~20 GH/s after going for a hours a couple of hours at most. i usually end up with usb errors and need to reboot the host to get regain hash rate. initially it was dropping hash rate after just a few minutes, but dropping the clock to ~350 MHz allows it to hash for longer (also set fans to 90-99 as temp was near 90C at default clock). i'm wondering if my heatsink might not be on right anymore (recently move the machine). fuck this pos.