http://bugs.winehq.org/show_bug.cgi?id=15495
--- Comment #15 from Austin English austinenglish@gmail.com 2008-10-02 14:43:53 --- (In reply to comment #14)
Then just say what useful information you require!
Rerun the regression test. When you've found the patch, try reverting it. If the app then works, you've found the right patch.
If the bug doesn't always show, test the app a few times before saying git bisect good/bad.