http://bugs.winehq.org/show_bug.cgi?id=9787
--- Comment #9 from Andrey Turkin andrey.turkin@gmail.com 2007-09-29 17:51:31 --- Created an attachment (id=8297) --> (http://bugs.winehq.org/attachment.cgi?id=8297) Allow async operations to generation completion events
It is not introduced bug but instead new partially implemented functionality. I hoped to send all patches in before new release, but one last patch did not make it. Seemingly Warcraft tries to use I/O completion port, and falls back to usual I/O in case of failure. So, please try attached patch to see if it fix the game.