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
From mir-greeter.log (and with minor instrumentation from RAOF)
ERROR: QMirServer - Mir failed to start r::ScreenContro ller Documents/ mir/verbose- error-for- vt-finding/ src/server/ graphics/ default_ configuration. cpp(133) : Throw in function mir::DefaultSer verConfiguratio n::the_ graphics_ platform( )::<lambda( )> exception_ detail: :clone_ impl<boost: :exception_ detail: :error_ info_injector< std::runtime_ error> > :what: Exception while creating graphics platform Documents/ mir/verbose- error-for- vt-finding/ src/platforms/ mesa/server/ kms/linux_ virtual_ terminal. cpp(238) : Throw in function int mir::graphics: :mesa:: LinuxVirtualTer minal:: find_active_ vt_number( ) exception_ detail: :clone_ impl<boost: :exception_ detail: :error_ info_injector< std::runtime_ error> > :what: Failed to find the current VT. Tried:
qtmir.screens: ScreenControlle
qtmir.mir: MirServer created
qtmir.mir: Command line arguments passed to Qt: ("/usr/bin/unity8", "--mode=greeter")
ERROR: /home/josh/
Dynamic exception type: boost::
std::exception:
ERROR: /home/josh/
Dynamic exception type: boost::
std::exception:
/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