This lag has been driving me nuts and I swear it did not lag like that before I upgraded my Ubuntu to 17.10.
As per the title, every time Alchemist (a hero in DOTA 2) uses acid spray spell, the screen lags awfully, especially the mouse pointer movement. I could not describe this any better; oddly Steam’s FPS counter was showing 60 fps during the lag when it actually felt like 5-10 fps.
Aside from that, SMPlayer plays some videos outside its boundary and my screen freezes after playing a video on VLC Player for about 20 minutes.
These problems appeared since I upgraded to Ubuntu 17.10.
This problem seems to stem from Ubuntu’s move to Wayland from X.org. My laptop’s graphic drivers may not work very well in Wayland, for now so I switched to X.org and all the problems mentioned above disappeared.
To switch to X.org, logout then at the login screen, click on the settings icon and choose “Ubuntu on Xorg”.