The symptom you reported seems the same as this one reported for Ubuntu 20.10,
https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/1909678 Try the suggested workaround. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1865379 Title: Raspberry Pi 4 fails to wake at login prompt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1865379/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
