On 2012-12-11 Bill Reid wrote:

http://rackerhacker.com/2007/07/01/check-available-entropy-in-linux/

That's handy. A quick check of a few of my servers shows that they are all over 200. My personal ws that I am running all the ssh's from is closer to 100. It changes quite often/rapidly! Not sure that's the problem. I'd probably have to log it over time to see if it runs out when it craps out. And I'm not sure if it's more important to watch the entropy on the ssh client or server...