something happened with spork functionality - my pool wallet suddenly rolled back approx 100 blocks and then started from the beginning. I had to manually adjust DB on my pool. Apart of this I had 3 orphaned blocks in last 3 hrs which is very unusual. Here is debug.log:

http://pastebin.com/q4qSL4m4