When I move the mouse pointer and/or applications between my two screens, sometimes the mouse pointer size changes, being is very large in both screens $ xrandr Screen 0: minimum 320 x 200, current 3920 x 1944, maximum 8192 x 8192 DP-1 connected 1200x1920+0+0 left (normal left inverted right x axis y axis) 518mm x 324mm 1920x1200 59.95*+ 1920x1080 50.00 1600x1200 60.00 1680x1050 59.88 1280x1024 75.02 60.02 1440x900 74.98 59.90 1280x960 60.00 1280x800 59.91 1152x864 75.00 1280x720 60.00 50.00 59.94 1024x768 75.03 70.07 60.00 832x624 74.55 800x600 72.19 75.00 60.32 56.25 720x576 50.00 720x480 60.00 59.94 640x480 75.00 72.81 66.67 60.00 59.94 720x400 70.08 DP-2 connected primary 2560x1440+1360+504 (normal left inverted right x axis y axis) 597mm x 336mm 2560x1440 59.95*+ 1920x1200 59.95 1920x1080 60.00 50.00 50.00 59.94 1920x1080i 60.00 60.00 50.00 50.00 59.94 1600x1200 60.00 1680x1050 59.88 1280x1024 75.02 60.02 1440x900 74.98 59.90 1280x720 60.00 60.00 50.00 50.00 59.94 1024x768 75.03 60.00 800x600 75.00 60.32 720x576 50.00 50.00 50.00 720x480 60.00 60.00 59.94 59.94 640x480 75.00 72.81 66.67 60.00 59.94 59.94 720x400 70.08
*** This bug has been marked as a duplicate of bug 301622 ***