Would it be possible for you to test out some test kernels? That would allow us to reverse bisect and identify any missing commits from the 4.4 kernel.
** Tags added: performing-bisect -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1797092 Title: xenial guest on arm64 drops to busybux under openstack bionic-rocky To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1797092/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs