To the mini-discussion above - yes it would be default off on P8 as well then. But by selecting an older machine type, or - even better - using the new type but with cap-htm=on
Starting the fix in qemu early next week then (the one outlined as (A) in comment #4. ** Changed in: qemu (Ubuntu) Status: Incomplete => In Progress -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1752026 Title: Ubuntu18.04:POWER9:DD2.2 - Unable to start a KVM guest with default machine type(pseries-bionic) complaining "KVM implementation does not support Transactional Memory, try cap-htm=off" (kvm) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1752026/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs