I did manage to get this stack trace to reproduce, however when I tried again under GDB I didn't have any luck. The log of this 2nd crash is attached.

The original desync is long gone, the most recent one is attached.

Hi, I've been playing a vanilla map with some friends online the past few days on 0.13.9 I am a client running 64bit Ubuntu 14.04. Just today when I logged in I got into a desync loop. When I restarted the game I was able to get in and play for a bit, but in a minute or two both I and another player...