I have this problem as well when using the workspace switcher, usually
when scrolling through with the mouse wheel. It has happened first when
I checked the Workspaces on a Cube button in Desktop effects. It has
persisted even though I have disabled this option. What happens is like
you say above
** Attachment added: Dependencies.txt
http://librarian.launchpad.net/7389046/Dependencies.txt
** Attachment added: ProcMaps.txt
http://librarian.launchpad.net/7389047/ProcMaps.txt
** Attachment added: ProcStatus.txt
http://librarian.launchpad.net/7389048/ProcStatus.txt
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Desktop
