Updated to 8.2 - DMA error

I had a similar error dmar error dma pte for vpfn 0xcf4de already set,
Saw another article on https://forum.openmediavault.org/ by searching just that it was the 3rd hit on Google.
Saw about disabling virtualization. I can't believe that actually worked.
Nothing in that error would have caused me to believe that virtualization was the issue.
If anyone else has insight on that, please enlighten me.
 
I had a similar error when installing Proxmox Backup Server on a Dell PowerEdge r410
dmar error dma pte for vpfn 0xcf4de already set,
Saw another article on https://forum.openmediavault.org/ by searching just that and it was the 3rd hit on Google.
Said about disabling virtualization. I can't believe that actually worked.
Nothing in that error would have caused me to believe that virtualization was the issue.
If anyone else has insight on that, please enlighten me.