High CPU usage issue / leap second?

Переход через leap second пару недель назад вызвал такой вот баг в redmine/mod_rails/ruby:

RE: High CPU usage issue / leap second? - Added by Moritz Schepp 12 days ago Yes I discovered we had the same problem on every server running passenger. Restarting Apache, recompiling passenger, updating passenger all didn't help. I restarted one of the machines and it's all back to normal again. What also seems to fix the issue is to just set the date: /etc/init.d/chrony stop date -s "`date`" /etc/init.d/chrony start You don't even have to restart Apache afterwards. So I guess the leap second could be the cause after all. Also, I we have KVM virtual machines here only, perhaps the problem is additionally specific to this scenario

Full article: http://www.redmine.org/boards/2/topics/31731