For reference, the issue with the now backported patch was identified upstream (https://lkml.org/lkml/2020/9/30/352), and the following patch resolves it:
commit 0891fb39ba67bd7ae023ea0d367297ffff010781 Author: Juergen Gross <[email protected]> Date: Wed Sep 30 11:16:14 2020 +0200 xen/events: don't use chip_data for legacy IRQs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1896725 Title: xenial 4.4.0-191-generic in -proposed has a regression To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1896725/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
