glXWaitForMscOML and glXWaitVideoSyncSGI may block indefinitely
Submitted by acc..@..il.com
Assigned to mes..@..op.org
Under certain circumstances, using any of the aforementioned functions under an Intel card may result in the application being blocked until killed.
The application in question is kwin-lowlatency (https://github.com/tildearrow/kwin-lowlatency) which relies upon either function for achieving its goal.
Related issue: https://github.com/tildearrow/kwin-lowlatency/issues/10