For what's worth, virtualbox-guest-dkms (6.1.22-dfsg-2~ubuntu1.20.04.1) can now be built successfully with focal/linux-hwe-5.11 5.11.0-24-generic:
https://autopkgtest.ubuntu.com/results/autopkgtest-focal/focal/amd64/v/virtualbox/20210705_160622_41557@/log.gz
As well as virtualbox-guest-dkms-hwe (6.1.22-dfsg-2~ubuntu1.20.04.1):
https://autopkgtest.ubuntu.com/results/autopkgtest-focal/focal/amd64/v/virtualbox-hwe/20210705_160518_7a165@/log.gz
While still being built successfully with focal/linux LTS kernel (5.4.0-79-generic):
https://autopkgtest.ubuntu.com/results/autopkgtest-focal/focal/amd64/v/virtualbox/20210705_160239_358c6@/log.gz https://autopkgtest.ubuntu.com/results/autopkgtest-focal/focal/amd64/v/virtualbox-hwe/20210705_161206_04f0a@/log.gz
For what's worth, virtualbox- guest-dkms (6.1.22- dfsg-2~ ubuntu1. 20.04.1) can now be built successfully with focal/linux- hwe-5.11 5.11.0-24-generic:
https:/ /autopkgtest. ubuntu. com/results/ autopkgtest- focal/focal/ amd64/v/ virtualbox/ 20210705_ 160622_ 41557@/ log.gz
As well as virtualbox- guest-dkms- hwe (6.1.22- dfsg-2~ ubuntu1. 20.04.1) :
https:/ /autopkgtest. ubuntu. com/results/ autopkgtest- focal/focal/ amd64/v/ virtualbox- hwe/20210705_ 160518_ 7a165@/ log.gz
While still being built successfully with focal/linux LTS kernel (5.4.0-79-generic):
https:/ /autopkgtest. ubuntu. com/results/ autopkgtest- focal/focal/ amd64/v/ virtualbox/ 20210705_ 160239_ 358c6@/ log.gz /autopkgtest. ubuntu. com/results/ autopkgtest- focal/focal/ amd64/v/ virtualbox- hwe/20210705_ 161206_ 04f0a@/ log.gz
https:/