From: "jonforums (Jon Forums)" Date: 2012-04-01T00:49:17+09:00 Subject: [ruby-core:44008] [ruby-trunk - Bug #6228] [mingw] Errno::EBADF in ruby/test_io.rb on ruby_1_9_3 Issue #6228 has been updated by jonforums (Jon Forums). of course it's the FD_SETSIZE macro I'm talking about... ---------------------------------------- Bug #6228: [mingw] Errno::EBADF in ruby/test_io.rb on ruby_1_9_3 https://bugs.ruby-lang.org/issues/6228#change-25538 Author: jonforums (Jon Forums) Status: Open Priority: Normal Assignee: Category: test Target version: 1.9.3 ruby -v: ruby 1.9.3p172 (2012-03-30 revision 35179) [i386-mingw32] On Win7 32bit built with MinGW 4.6.2 using the RubyInstaller build recipes, I get the following test error: sh-3.1$ ruby --version ruby 1.9.3p172 (2012-03-30 revision 35179) [i386-mingw32] sh-3.1$ make test-all TESTS='openssl fiddle psych zlib io json mkmf pathname stringio erb fileutils ruby/test_io.rb ruby/test_io_m17n.rb ruby/test_file.rb' 7) Error: test_lines(TestIO): Errno::EBADF: Bad file descriptor c:/Users/Jon/Documents/RubyDev/ruby-git/test/ruby/test_io.rb:33:in `close' c:/Users/Jon/Documents/RubyDev/ruby-git/test/ruby/test_io.rb:33:in `rescue in block in pipe' c:/Users/Jon/Documents/RubyDev/ruby-git/test/ruby/test_io.rb:30:in `block in pipe' -- http://bugs.ruby-lang.org/