Here is mir-greeter.log using your instrumented lightdm and changing the unity8 seat type to unity.
http://pastebin.ubuntu.com/16932129/ Thoughts? -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/1583624 Title: Mir cannot open a tty when started by lightdm Status in Light Display Manager: In Progress Status in Light Display Manager 1.18 series: In Progress Status in lightdm package in Ubuntu: Triaged Status in lightdm source package in Xenial: Triaged Bug description: From mir-greeter.log (and with minor instrumentation from RAOF) ERROR: QMirServer - Mir failed to start qtmir.screens: ScreenController::ScreenController qtmir.mir: MirServer created qtmir.mir: Command line arguments passed to Qt: ("/usr/bin/unity8", "--mode=greeter") ERROR: /home/josh/Documents/mir/verbose-error-for-vt-finding/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: /home/josh/Documents/mir/verbose-error-for-vt-finding/src/platforms/mesa/server/kms/linux_virtual_terminal.cpp(238): Throw in function int mir::graphics::mesa::LinuxVirtualTerminal::find_active_vt_number() Dynamic exception type: boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<std::runtime_error> > std::exception::what: Failed to find the current VT. Tried: /dev/tty0: Failed to open read-only: Permission denied Failed to open write-only: Permission denied /dev/tty: Failed to open read-only: No such device or address Failed to open write-only: No such device or address This occurs when trying to start the unity8 greeter under unity system compositor To manage notifications about this bug go to: https://bugs.launchpad.net/lightdm/+bug/1583624/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
