I too get this (multiple times) after launching Gedit on Ubunto 13.10 64 bit.
-- You received this bug notification because you are a member of DX Packages, which is subscribed to overlay-scrollbar in Ubuntu. Matching subscriptions: dx-packages https://bugs.launchpad.net/bugs/1086494 Title: GtkScrolledWindow is mapped but visible child GtkScrollbar is not mapped Status in GTK+ GUI Toolkit: Unknown Status in Overlay Scrollbar: In Progress Status in “gtk+3.0” package in Ubuntu: Invalid Status in “overlay-scrollbar” package in Ubuntu: Triaged Bug description: Ubuntu 13.04 (Raring Ringtail) Unity: I don't now if this is GtkScrolledWindow or overlay scrollbars bug. I got these warning in Totem Movie Player. Test case: Open totem -> Fill with items playlist panel from right of player until scrollbar show-up -> scroll to bottom of panel -> import more playlist items from playlist file, and this warning come out: (totem:4060): Gtk-WARNING **: GtkScrolledWindow 0xb81ef2b0 is mapped but visible child GtkScrollbar 0xb82bc2a8 is not mapped This bug appears to Rhythmbox Music Player if import playlist items from file: (rhythmbox:4149): Gtk-WARNING **: RBPropertyView 0x9ee8000 is mapped but visible child GtkScrollbar 0xa08fe90 is not mapped To manage notifications about this bug go to: https://bugs.launchpad.net/gtk/+bug/1086494/+subscriptions -- Mailing list: https://launchpad.net/~dx-packages Post to : dx-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~dx-packages More help : https://help.launchpad.net/ListHelp