@Pawel Tecza -- it is not 100% clear your symptoms are the same as you are able to exit immediatly. Could we get the boot log from the -10.20 kernel and your lspci output attached to this bug so we can try and confirm.
@Pawel Tecza -- it is not 100% clear your symptoms are the same as you are able to exit immediatly. Could we get the boot log from the -10.20 kernel and your lspci output attached to this bug so we can try and confirm.