I believe the "uname -a" output shows that this issue was observed with a custom, i.e. a non-Ubuntu, kernel. Could you confirm that the issue is seen with an unmodified Ubuntu kernel?
Also, do you have a proposed (kernel?) patch that resolves this issue? Thanks. ** Also affects: ubuntu-power-systems Importance: Undecided Status: New ** Changed in: ubuntu-power-systems Importance: Undecided => Medium ** Package changed: sysfsutils (Ubuntu) => linux (Ubuntu) ** Changed in: ubuntu-power-systems Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team) ** Tags added: triage-g -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1796839 Title: Only 64 Memory regions or dimms supported for Hotplug. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1796839/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs