unity-system-compositor --version (return code: 0)
[2017-08-05 12:23:36.586858] mirplatform: Found graphics driver: mir:mesa-kms (version 0.26.3)
[2017-08-05 12:23:36.586903] mirplatform: Found graphics driver: mir:mesa-x11 (version 0.26.3)
unity-system-compositor 0.9.0
unity-system-compositor --HELP (return code: 0)
[2017-08-05 12:23:36.480580] mirplatform: Found graphics driver: mir:mesa-kms (version 0.26.3)
[2017-08-05 12:23:36.480643] mirplatform: Found graphics driver: mir:mesa-x11 (version 0.26.3)
Warning: ignoring unrecognised arguments: --HELP
[2017-08-05 12:23:36.481233] mirserver: Starting
[2017-08-05 12:23:36.481289] mircommon: Loading modules from: /usr/lib/x86_64-linux-gnu/mir/server-platform
[2017-08-05 12:23:36.481329] mircommon: Loading module: /usr/lib/x86_64-linux-gnu/mir/server-platform/graphics-mesa-kms.so.12
[2017-08-05 12:23:36.481789] mircommon: Loading module: /usr/lib/x86_64-linux-gnu/mir/server-platform/server-mesa-x11.so.12
[2017-08-05 12:23:36.482315] mircommon: Loading module: /usr/lib/x86_64-linux-gnu/mir/server-platform/input-evdev.so.6
[2017-08-05 12:23:36.483205] mirplatform: Found graphics driver: mir:mesa-kms (version 0.26.3)
[2017-08-05 12:23:36.483234] mirplatform: Found graphics driver: mir:mesa-x11 (version 0.26.3)
ERROR: /build/mir-8zFA_r/mir-0.26.3+17.04.20170605/src/server/graphics/default_configuration.cpp(133): Throw in function mir::DefaultServerConfiguration::the_graphics_platform()::<lambda()>
Dynamic exception type: boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<std::runtime_error> >
std::exception::what: Exception while creating graphics platform
ERROR: /build/mir-8zFA_r/mir-0.26.3+17.04.20170605/src/platform/graphics/platform_probe.cpp(63): Throw in function std::shared_ptr<mir::SharedLibrary> mir::graphics::module_for_device(const std::vector<std::shared_ptr<mir::SharedLibrary> >&, const mir::options::ProgramOption&)
Dynamic exception type: boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<std::runtime_error> >
std::exception::what: Failed to find platform for current system