Downgraded using bazooka method.
```shell sudo apt install linux-generic sudo apt purge '.*-hwe-.*' dpkg -l | grep -i 5.11.0- | awk '{print $2}' | xargs -n1 sudo apt purge -y sudo apt autoremove ```
Didn't help.
Downgraded using bazooka method.
```shell
sudo apt install linux-generic
sudo apt purge '.*-hwe-.*'
dpkg -l | grep -i 5.11.0- | awk '{print $2}' | xargs -n1 sudo apt purge -y
sudo apt autoremove
```
Didn't help.