So the host exposing some of the physical cpu characteristics is triggering use of this specific syndrome generator (which makes sense as it is h/w specific) raid6_avx21_gen_syndrome().
** Summary changed: - Xenial KVM: updating Trusty guest from 3.13.0-68 to 3.13.0-71 causes kernel exception + [trusty] 3.13.0-68 raid6-pq panic in raid6_avx21_gen_syndrome() while probing grub devices (was: Xenial KVM: updating Trusty guest from 3.13.0-68 to 3.13.0-71 causes kernel exception) -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to kvm in Ubuntu. https://bugs.launchpad.net/bugs/1524069 Title: [trusty] 3.13.0-68 raid6-pq panic in raid6_avx21_gen_syndrome() while probing grub devices (was: Xenial KVM: updating Trusty guest from 3.13.0-68 to 3.13.0-71 causes kernel exception) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kvm/+bug/1524069/+subscriptions -- Ubuntu-server-bugs mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
