Regarding issue 2), this is most probably due to the cpu mode setting: <cpu mode='host-model'> <model fallback='allow'/> <topology sockets='1' cores='1' threads='1'/> </cpu>
The nova.conf needs the setting "cpu_mode = none" in order to not have it set to 'host-model'. This setting has not been working on s390x - this is a statement as of Mitaka and libvirt 1.2.21 at least -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1564831 Title: s390x: error booting instance To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1564831/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs