Which exactly matches my comment above about this being the likely culprit:
commit 9faf6136ff4647452580b019f4b16f8c5082e589 Author: Matthew Garrett <matthew.garr...@nebula.com> Date: Sat Sep 20 13:19:46 2014 +0200 ACPI / SBS: Disable smart battery manager on Apple Touching the smart battery manager at all on Apple hardware appears to make it unhappy - unplugging the AC adapter triggers accesses that hang the controller for several minutes. Quirk it out via DMI in order to avoid this. Compensate by changing battery presence if we fail to communicate with the battery. Signed-off-by: Matthew Garrett <matthew.garr...@nebula.com> Signed-off-by: Andreas Noever <andreas.noe...@gmail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com> -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1489622 Title: 15.10 20150826 snapshot -- MacBookPro3,1 has high load (and temperature) due to unhandled external power state GPE To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1489622/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs