Поудалял части deepin c тестовой рабочей станции; после перезагрузки не загрузился lightdm со следующей диагностикой: # cat /var/log/lightdm/lightdm.log [+0.00s] DEBUG: Logging to /var/log/lightdm/lightdm.log [+0.00s] DEBUG: Starting Light Display Manager 1.32.0, UID=0 PID=2230 [+0.00s] DEBUG: Loading configuration dirs from /usr/share/lightdm/lightdm.conf.d [+0.00s] DEBUG: Loading configuration from /usr/share/lightdm/lightdm.conf.d/60-deepin.conf [+0.00s] DEBUG: Loading configuration dirs from /usr/local/share/lightdm/lightdm.conf.d [+0.00s] DEBUG: Loading configuration dirs from /etc/xdg/lightdm/lightdm.conf.d [+0.00s] DEBUG: Loading configuration from /etc/lightdm/lightdm.conf [+0.00s] DEBUG: Registered seat module local [+0.00s] DEBUG: Registered seat module xremote [+0.00s] DEBUG: Using D-Bus name org.freedesktop.DisplayManager [+0.00s] DEBUG: Using cross-namespace EXTERNAL authentication (this will deadlock if server is GDBus < 2.73.3) [+0.00s] DEBUG: _g_io_module_get_default: Found default implementation local (GLocalVfs) for ‘gio-vfs’ [+0.00s] DEBUG: Monitoring logind for seats [+0.00s] DEBUG: New seat added from logind: seat0 [+0.00s] DEBUG: Seat seat0: Loading properties from config section Seat:* [+0.00s] DEBUG: Seat seat0 has property CanMultiSession=no [+0.00s] DEBUG: Seat seat0: Starting [+0.00s] DEBUG: Seat seat0: Creating greeter session [+0.00s] DEBUG: Seat seat0: Failed to find session configuration lightdm-deepin-greeter [+0.00s] DEBUG: Seat seat0: Failed to create greeter session [+0.00s] DEBUG: Failed to start seat: seat0 Оказывается, в системе остался startdde-1:6.0.11-alt1, и в нём /usr/share/lightdm/lightdm.conf.d/60-deepin.conf. Зачем так делать? У нас greeter выбирается альтернативами. Ну а если так всё-таки сделано, то нужна зависимость на lightdm-deepin-greeter.
startdde-1:6.0.13-alt1 -> sisyphus: Thu Feb 29 2024 Leontiy Volodin <lvol@altlinux> 1:6.0.13-alt1 - New version 6.0.13. - Used system lightdm instead lightdm-deepin-greeter again (ALT #49028).