Other workspaces randomly begin to be drawn over the current one.

Submitted by Ali Cameron

Assigned to Olivier Fourdan @olivier

Link to original bug (#12262)

Description

Created attachment 6481 Workspace settings dialog

Large blocks of the screen are suddenly redrawn with corresponding areas of some other workspace. Performing some action which causes the current workspace to redraw remedies the problem until the next occurrence.

Attachment 6481, "Workspace settings dialog":

Version: 4.11.1