For whatever reason (old config, or nvidia unreasonable default) the new driver got installed with `PreserveVideoMemoryAllocations=1`, which without additional nvidia services doesn't work, and so suspend breaks.
To fix: ```shell echo 'options nvidia NVreg_PreserveVideoMemoryAllocations=0' | sudo tee /etc/modprobe.d/nvidia.conf sudo update-initramfs -u # this took a long while to figure out ``` Make sure `/etc/modprobe.d/anything.conf` doesn't have conflicting options. Suspend now works, case closed. https://www.youtube.com/watch?v=_36yNWw_07g -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1953235 Title: systemctl suspend stopped working: laptop immeadeately wakes up again To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.11/+bug/1953235/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs