Since this works (using disable_radix thanks leonardo) in Cosmic and also through the HWE kernel on Bionic I think there is no more work needed. The trigger was P9 HW which is fine for this specific (and uncommon) function to define the HWE kernel as requirement.
Since this works (using disable_radix thanks leonardo) in Cosmic and also through the HWE kernel on Bionic I think there is no more work needed. The trigger was P9 HW which is fine for this specific (and uncommon) function to define the HWE kernel as requirement.