Loading module: 'libubuntu_application_api_desktop_mirclient.so.3.0.0' ubuntumirclient: Got invalid serialized mime data. Ignoring it. ubuntumirclient: Got invalid serialized mime data. Ignoring it. This plugin does not support raise() ubuntumirclient: Attempted to deliver an event to a non-existent window, ignoring. ubuntumirclient: Got invalid serialized mime data. Ignoring it. ubuntumirclient: Got invalid serialized mime data. Ignoring it. [2016-07-17 11:33:07.528474] Mesa/NativeSurface: Caught exception at Mir/EGL driver boundary (in advance_buffer): /build/mir-lOOz_x/mir-0.23.3+16.10.20160707.1/src/client/buffer_stream.cpp(144): Throw in function virtual MirWaitHandle* {anonymous}::ExchangeSemantics::submit(const std::function&, MirPixelFormat, int) Dynamic exception type: boost::exception_detail::clone_impl > std::exception::what: disconnected: no new buffers ASSERT: "eglSwapBuffers(mEglDisplay, eglSurface) == EGL_TRUE" in file ../../../src/ubuntumirclient/glcontext.cpp, line 239