Xlib:  extension "XFree86-DRI" missing on display ":0.0".

(beryl-manager:7904): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtengine",

(beryl-manager:7904): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtengine",

** (beryl-manager:7904): WARNING **: Couldn't find a Selection Owner, perhaps no WM running?
Otherwise, manually kill your wm, and report the bug to the developers, it doesn't follow the standards.
Falling back to looking for a defined WM in xlsclients.

(emerald:7989): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtengine",

(emerald:7989): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtengine",

** (beryl-manager:7904): WARNING **: Beryl caught deadly signal 9

(emerald:7990): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtengine",

(emerald:7990): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtengine",

(emerald:7971): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtengine",

(emerald:7971): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtengine",