http://bugs.winehq.org/show_bug.cgi?id=29168
--- Comment #100 from Vitaliy Margolen vitaliy-bugzilla@kievinfo.com 2012-01-26 21:41:56 CST --- Use WINEDEBUG=+tid to tell where messages are coming from. Segment registers point to a segment descriptors and have nothing to do with thread IDs.