Got P9 HW myself: current qemu: a) P8->P9 worked b) P8->P9->P8 failed (silently)
proposed qemu for this bug: a) P8->P9 worked b) P8->P9->P8 worked P9->P8 also working if one sets the right compat, like for example Default on P9 guest: cpu : POWER9 (architected), altivec supported revision : 2.2 (pvr 004e 1202) Set compat: <cpu mode='host-model' check='partial'> <model fallback='allow'>power8</model> </cpu> Then is is in the guest: cpu : POWER8 (architected), altivec supported revision : 2.2 (pvr 004e 1202) And this migrates P9->P8 +1 on confidence of the proposed upload -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1763468 Title: [Ubuntu 18.04] P8 compat mode migration fails for Ubuntu 16.04.4 P8 Guest from Ubuntu 16.04.4 P8 Host -> Ubuntu 18.04 P9 Host To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1763468/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
