http://bugs.winehq.org/show_bug.cgi?id=29700
--- Comment #10 from Henri Verbeet hverbeet@gmail.com --- (In reply to Arthur Borsboom from comment #8)
I confirm this bug with Tiberian Sun.
OS: Arch Linux x64 Kernel: 3.14.1-1-ARCH Videocard: Nvidia Geforce 9800GT Videocard driver: Nouveau Wine: 1.7.17
Any other information needed?
Whether you're using a compositor or not could be relevant.