celluloid/celluloid — pull request #296 by tarcieri (2013-07-10 15:04:04+00:00)
Title: Add backtraces to "Dangerously suspending task" messages

Right now there's no way to determine where dangerous suspends are occurring.
Including backtraces in the warning message alows us to track down where these
problems are coming from.

Downside: it makes the warning messages longer
Upside: we can find and eliminate them!