PSOD: Spin count exceeded - possible deadlock with PCPU 3

I have two identical hosts that randomly will go "Not Responding" at different times.

I pulled a vmkernel log and cut out everything aside from the BlueScreen area.

How can I determine the cause from this message?

http://pastebin.com/swBEsCwY

6.5.0 VMKernel 4564106

Thanks!

Matt