From: Earle Clubb Date: 2009-01-08T00:41:33+09:00 Subject: Re: Changing date backward messes up threaded sleep For the record, this is not an issue with ruby 1.9.1. The native threads in 1.9.1 handle the negative time change just fine, whereas 1.8.6's green threads do not. Earle -- Posted via http://www.ruby-forum.com/.