https://bugs.winehq.org/show_bug.cgi?id=43273
--- Comment #41 from Shmerl shtetldik@gmail.com --- (In reply to Józef Kucia from comment #20)
An apitrace which can be used to reproduce the freeze would be useful
Józef: Samuel Pitoiset identified the issue, and provided a hack workaround for Mesa (it require building custom Mesa for it). However it's a bug in Wine itself. See his explanation in the link Murks posted right above.