I have verified acpi-call 1.1.0-5ubuntu0.1 from focal-proposed and I can confirm it fixes the compilation issue with hwe-5.8 kernel.
Testcase: installed acpi-call-dkms 1.1.0-5ubuntu0.1 on a Focal system, built and loaded the dkms module with linux-image-5.4.0-52-generic and linux-image-5.8.0-25-generic. Also re-run ADT tests on amd64/arm64 with linux-meta-hwe-5.8: amd64: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/amd64/a/acpi-call/20201110_134040_06a34@/log.gz arm64: https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-focal/focal/arm64/a/acpi-call/20201110_134313_a0cc6@/log.gz ** Tags removed: verification-needed-focal ** Tags added: verification-done-focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1899591 Title: acpi-call-dkms: proc_create() broken with linux-hwe-5.8 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/acpi-call/+bug/1899591/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs