Got the same error this morning. Note that it happens after an apt-get dist-upgrade with an update of mesa + reboot
Same error this morning when I plugged an external monitor: GL_VENDOR = Intel Open Source Technology Center GL_RENDERER = Mesa DRI Intel(R) Ivybridge Mobile x86/MMX/SSE2 GL_VERSION = OpenGL ES 3.0 Mesa 9.2.1 dm_connection_start set_active_session '0' set_active_session set_active_session '1' set_active_session Unable to set active session, unknown client name 1 pause terminate called after throwing an instance of 'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<std::runtime_error> >' what(): Failed to set DRM crtc ** Also affects: mesa (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu-X, 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 To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1194039/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp