in my case removing ~/.config/monitors.xml and reconfiguring the displays solved the problem.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1194039 Title: Cannot start any Mir server ... std::exception::what: Failed to set DRM crtc Status in Mir: Confirmed Status in “mesa” package in Ubuntu: New Bug description: I can't seem to start any mir server any more. It always fails with: sudo bin/mir_demo_server ERROR: /home/dan/bzr/mir/toy/src/server/graphics/gbm/gbm_display_buffer.cpp(135): Throw in function mir::graphics::gbm::GBMDisplayBuffer::GBMDisplayBuffer(const std::shared_ptr<mir::graphics::gbm::GBMPlatform>&, const std::shared_ptr<mir::graphics::DisplayReport>&, const std::vector<std::shared_ptr<mir::graphics::gbm::KMSOutput> >&, mir::graphics::gbm::GBMSurfaceUPtr, const mir::geometry::Size&, EGLContext) Dynamic exception type: boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<std::runtime_error> > std::exception::what: Failed to set DRM crtc Running it locally, or as root does not help. And there's no other Mir server running. Only plain X: /usr/bin/X :0 -core -auth /var/run/lightdm/root/:0 -nolisten tcp vt8 -novtswitch To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1194039/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

