The Minecraft window, in-game entites, menus, and the hotbar flash rapidly. This happens off and on for long periods at a time. It also seems to calm down when playing in Fullscreen mode.
Comments 2
Thank you for your report.
However, your ticket has been resolved as invalid.
This is a technical support issue; this site is for bug reports only. We do not have the resources to provide you with technical support.
Please use the Mojang Support Center instead.
Also happened in Ubuntu 14.10 with an older Mesa version.