Forgot to add error output. dave@Atlas:~> konsole QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave. KUniqueApplication: Cannot find the D-Bus session server: "Failed to connect to socket /tmp/dbus-OTRcvG5jUz: Connection refused" KUniqueApplication: Pipe closed unexpectedly. dave@Atlas:~> dbus-launch konsole QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave. dave@Atlas:~> libGL error: failed to load driver: swrast libGL error: failed to load driver: swrast Dave W