Can’t resume after suspend with 515 driver on Ubuntu 20.04

I’ve seen several variations on this question, but might as well ask my own up-to-date version.

System:

  • Ubuntu 20.04
  • GPU: GeForce RTX 3090
  • Driver: 515.43.04

System boots with no issues - running graphics off of motherboard integrated graphics, only using GPU for compute (DL research).

Problem: I’m unable to resume from suspend. Only way I’m able to get the system back up is by doing a hard power off, power on. Don’t get the POST beep when I attempt to resume from suspend.

Looking at previous answers, this is not an upgrade from 470. Already purged all sytemctl processes related to suspend / hibernate / etc.

(base) matt@matt-MS-7D25:~$ systemctl | grep nvidia
  sys-bus-pci-drivers-nvidia.device                                                                       loaded active     plugged   /sys/bus/pci/drivers/nvidia                                                             
  nvidia-persistenced.service
[nvidia-bug-report.log|attachment](upload://N2CnrXHAjznx3wZun6nCS8rEjw.log) (1.8 MB)
                                                                             loaded active     running   NVIDIA Persistence Daemon                                                               
● nvidia-powerd.service                                                                                   loaded failed     failed    nvidia-powerd service

I’ll take any advice I can! Novice to linux and Nvidia.