ha, exact same behavior here. And after that crash Nemo doesn't boot anymore.

It complaints about locked x server files etc. Ends up in an endless loop.
I'm now rewriting my SD card, thinking I was sold a bad card.
It seems it's not the case. There must still be other things to tweak.

PS I'm having a Samsung Class 10 8 GB card, from a reputable seller at Amazon. I'm expecting also a Samsung Class 6 8GB card, for actual runtime speed comparison testing.