http://bugs.winehq.org/show_bug.cgi?id=12509
Summary: Screen resolution is not restored when using multiple DISPLAYs Product: Wine Version: 0.9.58. Platform: PC OS/Version: Linux Status: NEW Severity: minor Priority: P4 Component: winex11.drv AssignedTo: wine-bugs@winehq.org ReportedBy: austinenglish@gmail.com
"If you have an wine program runnin on screen 0 and then you start another wine program in screen 1 that changes also resolution, the resolution won''t change back after program is finished."
See bug 2989 for more info.