Similar issue i think!
I was in a building in electro when the fps drop and all the building texture dissapeared. I had to wait 30-60 seconds for texture to load again.

Happened to me too, backpack was floating in the tree branches. I had to chop down the tree to get my backpack back.

Last night I was pretty healty and was figthing a zombie in electro industrial on the experimental/hardcore server. The zombie hit me once then looks like he hit me again and I died.
Now I don't know, was a bug with the zombie or another player shot me down? Would be nice a text message like: You are dead, another surviver killed you or something like this.