Issue #5241 has been reported by Lucas Nussbaum. ---------------------------------------- Bug #5241: test_massign.rb:165 fails on Debian GNU/kFreeBSD (amd64) http://redmine.ruby-lang.org/issues/5241 Author: Lucas Nussbaum Status: Open Priority: Normal Assignee: Category: Target version: ruby -v: 1.9.3 Hi, With a reduced testcase: # ruby1.9.1 -e "Fiber::new {}.resume" -e:1:in `resume': can't alloc machine stack to fiber (FiberError) from -e:1:in `<main>' That's using svn revision 33077. This might or might not be related to bug #5240. -- http://redmine.ruby-lang.org