I should update that unchecking "Enable 3D Acceleration" does not reliably fix. However, running Chromium using "chromium-browser --disable-gpu" does fix it, albeit making Chromium run noticably slowly.
Also reference http://askubuntu.com/questions/453475/chromium-display-is-remanent-since-14-04-upgrade-with-gpu-acceleration-enabled/
I should update that unchecking "Enable 3D Acceleration" does not reliably fix. However, running Chromium using "chromium-browser --disable-gpu" does fix it, albeit making Chromium run noticably slowly.
Also reference http:// askubuntu. com/questions/ 453475/ chromium- display- is-remanent- since-14- 04-upgrade- with-gpu- acceleration- enabled/