diaspora/diaspora — pull request #2377 by dmorley (2011-11-10 20:48:00+00:00)
Title: update system timer gem version

I was unable to db:migrate or start workers. looks like bug was: https://github.com/ph7/system-timer/pull/13
my error was: undefined method `exclusive' for Thread:Class

This is a old bug, but I did update packages yesterday.

using the new version solved my issues.