From: Roger Pack <rogerdpack@...>
Date: 2009-08-16T11:28:50+09:00
Subject: [ruby-core:24932] Re: [Bug #1940] Segmentation fault on 	TestFiber#test_many_fibers_with_threads (make check)

> Is someone there that made or complete executing Ruby 1.9.1 tests?

I always have to delete test_io.rb and test_fiber.rb before running
make test-all, for the reason you describe.
-r