Created attachment 853251 [details] testcase +++ This bug was initially created as a clone of Bug #1054294 +++ Flash plugin freezes when requested size is 0x0 pixels.
(firefox:11553): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to underallocate MozContainer's child GtkSocket 0x7fffcdbf4af0. Allocation is 0x0, but minimum required size is 1x1.
https://bugzilla.mozilla.org/show_bug.cgi?id=968193