Created attachment 65488 [details] Half transparent background for tooltip in LibreOffice Calc Overview: The background of tooltip in LibreOffice is half black, half transparent with the words on it is white. Steps to Reproduce: Move the pointer to a icon on the toolbar of LibreOffice to show the tooltip Actual Results: Tooltip having half transparent background is shown Expected Results: Tooltip having a complete black background with words in white on it is shown Produced on LibreOffice Version 3.6.0.4 (Build ID: 932b512) on Ubuntu 12.04 / GNOME 3.4.2
I have discovered that this problem appears after a GPU hung. After I update my graphics card driver to the bleeding edge, the problem is solved.
RESOLVED WORKSFORME per comment 1.