If you have the weather mod installed as and the LOTR mod as of the update past 24.4 you get in a battle on who gets to render and you see this-

WARNING if you have photosensative epilepsy do no click on this link
http://www.twitch.tv/prospercraft/v/32837533

Link doesnt work now, I'm predicting setting Misc_proxyRenderOverrideEnabled to false in my config will help.