This is the output if I start calibre. It stays caught in an endless loop: horst@horst-desktop:~$ calibre Connected to accessibility bus at: "unix:abstract=/tmp/dbus-dR97FQSB6N,guid=d97ccde511c9273562c0a4ef00006b40" Registered DEC: true Invalid parent: 0xb0c6f48 Application(0xaff6308, name = "calibre") Creating accessible with different object than the original interface! show QSplashScreen(0xb0c0a50) Creating accessible with different object than the original interface! Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! Creating accessible with different object than the original interface! show ComboBoxWithHelp(0xb460eb0, name = "search_restriction") Creating accessible with different object than the original interface! show QLabel(0xb5fc970, name = "search_count") Creating accessible with different object than the original interface! show QToolButton(0x9f2f420) Creating accessible with different object than the original interface! show SearchLineEdit(0xb5fd778) Creating accessible with different object than the original interface! show SearchBox2(0xb6531e0, name = "search") Creating accessible with different object than the original interface! show QToolButton(0xb771a28) Creating accessible with different object than the original interface! show QToolButton(0xb7737d8, name = "clear_button") Creating accessible with different object than the original interface! show QToolButton(0xb773930) Creating accessible with different object than the original interface! show SearchLineEdit(0xb773778) Creating accessible with different object than the original interface! show SavedSearchBox(0xb774548, name = "saved_search") Creating accessible with different object than the original interface! show QToolButton(0xb77e9b8, name = "copy_search_button") Creating accessible with different object than the original interface! show QToolButton(0xb77e040, name = "save_search_button") Creating accessible with different object than the original interface! show SearchBar(0xb76eb18) Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. 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Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. Requesting child objects for an interface that is a virtual child itself. and so on.... I have tried it with all versions ubuntu unity, 2d, gnome with and without effects. Every time the same