(beryl-manager:7719): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtengine",

(beryl-manager:7719): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtengine",

** (beryl-manager:7719): 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.
beryl: No GLXFBConfig for default depth, falling back on visinfo.

(emerald:7802): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtengine",

(emerald:7802): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtengine",

(emerald:7791): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtengine",

(emerald:7791): Gtk-WARNING **: Unable to locate theme engine in module_path: "qtengine",
beryl: water: GL_ARB_fragment_program is missing
X connection to :0.0 broken (explicit kill or server shutdown).
XGL Absent, checking for NVIDIA
Nvidia Absent, assuming AIGLX
Initiating splash
Reloading all options.
beryl-manager: Fatal IO error 104 (Connection reset by peer) on X server :0.0.
emerald: Fatal IO error 104 (Connection reset by peer) on X server :0.0.