I wouldn't worry too much about RB, It can be a mess at times. So many libraries need to be in line for it to work. If it's passing everything else I would chalk it up to a bad RB. Even on a clean OS it can be hard to get running at times.
Here's another hany and quick test. It's IBT but has the AVX instructions included, actually works quite well on AMD and shows instability quite quickly. Also customizable ram allocation.
Here's another hany and quick test. It's IBT but has the AVX instructions included, actually works quite well on AMD and shows instability quite quickly. Also customizable ram allocation.