From: Roger Pack <rogerpack2005@...>
Date: 2009-04-20T22:55:48+09:00
Subject: Re: Ruby 1.9.1 and Mingw (on Windows)

> I don't have Visual Studio 6.0, so I can't build it with msvc the 
> official way. And in my experience (well, with 1.8.7) ruby compiled with 
> vs2008 express was too unstable, so not even worth a try.
> 
> Mingw compiled 1.8.6 has some strangeness in that make test-all has 
> tests that sometimes complete normally, and sometimes show up as E or F. 
> But I never could complete it to the end, because it always hangs up in 
> rb_w32_select, in one test or the other.

I wish we had an easy reproducible test case :) (though I guess the 
first test that hangs it might suffice).
A couple of other thoughts: you could try EM using visual studio 2008 
(see link: 
http://rubyforge.org/pipermail/rubyinstaller-devel/2009-February/000473.html
), also if it hangs you might be able to use gdb against a mingw build 
against the live process. 
http://eigenclass.org/hiki/ruby+live+process+introspection

Good luck.
-=r
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