(In reply to Michal Srb from comment #5) > If there is fix now in X server, let's backport it. Apparently it is (needs verification though). commit 1b94fd77792310c80b0a2bcf4bf6d4e4c4c23bca Author: Alex Orange <crazycasta@gmail.com> Date: Fri Oct 3 15:41:38 2014 -0600 fb: Fix Bresenham algorithms for commonly used small segments.