* Startup 22.10 beta ISO image
* Enable "Install third-party software for graphics and Wi-Fi hardware and additional media format" on "Update and Software" step.
* Complete installs and reboot
* No startup GDM session
More simple step:
* Install gstreamer1.0-vaapi package on 22.10 and reboot
How to recovery:
* Select "recovery mode" on GRUB menu
* Exec "apt remove gstreamer1.0-vaapi"
* Exit recovery mode and reboot system
How to reproduce:
* Startup 22.10 beta ISO image
* Enable "Install third-party software for graphics and Wi-Fi hardware and additional media format" on "Update and Software" step.
* Complete installs and reboot
* No startup GDM session
More simple step:
* Install gstreamer1.0-vaapi package on 22.10 and reboot
How to recovery:
* Select "recovery mode" on GRUB menu
* Exec "apt remove gstreamer1.0-vaapi"
* Exit recovery mode and reboot system