Bisecting points to the below commit. Ubuntu-5.4.0-47.51 requires more than it without conflicting. Let me figure out which ones are also required for SRU and I will build another kernel (and final one hopefully) for testing
commit 03e9a0e05739cf872fee494b06c75c0469704a21 Author: Rafael J. Wysocki <rafael.j.wyso...@intel.com> Date: Tue Mar 3 20:15:04 2020 +0100 ACPI: EC: Consolidate event handler installation code Commit 406857f773b0 ("ACPI: EC: add support for hardware-reduced systems") made ec_install_handlers() return an error on failures to configure a GPIO IRQ for the EC, but that is inconsistent with the handling of the GPE event handler installation failures even though it is exactly the same issue and the driver can respond to it in the same way in both cases (the EC can be actively polled for events through its registers if the event handler installation fails). ... // skipped -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1896482 Title: acpi event detection crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1896482/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs