Ubuntu 20.04 won't wake from suspend or completely shutdown

I have the same laptop and the exact same problem. Been trying to figure it out for the past week. Same results in shutdown logs. Spent some time chasing various errors in the logs (cpufreq, Disk unmount errors, LUKS, fsck, etc), but didn't make a difference. I was able to revert back to kernel 5.11.0.38-generic and everything was back to normal. That version had already rolled out of grub so I added it back here.

export KERN_VERSION=5.11.0-38-generic
sudo apt install linux-headers-$KERN_VERSION linux-image-$KERN_VERSION linux-modules-$KERN_VERSION linux-modules-extra-$KERN_VERSION 

I then marked this one as a keep

sudo apt-mark hold linux-image-5.11.0-38-generic # I think this will prevent it from auto removing

Then turned on grub to remember the last booted kernel. There are probably other better ways too

sudo vi /etc/default/grub

# Add these settings
GRUB_SAVEDEFAULT=true
GRUB_DEFAULT=saved

Now, unsure what is actually wrong with the 41 and 43. Hoping maybe fixed in a later version. Wasn't able to capture an actual error that would point to where to even submit a bug report.