Public bug reported: On AArch64 we use cpu_mode='host-passthrought' which should allow us to do live migration between compute nodes running same cpus.
But it does not: -----------------------------------------------------------------------------estuary@ref-compute-2:~$ openstack server migrate --live ref-compute-1 --wait 38da6986-2f76-486d-877b-438560d7aa05 Migration pre-check error: CPU doesn't have compatibility. XML error: Missing CPU model name Refer to http://libvirt.org/html/libvirt-libvirt-host.html#virCPUCompareResult (HTTP 400) (Request-ID: req-cea6f860-e78b-469b-9527-a703114b372b) ----------------------------------------------------------------------------- virsh itself is able to live migrate between two XGene1 nodes: ----------------------------------------------------------------------------- root@cb-r1-m1-c1n1:/var/log/libvirt# virsh migrate --copy-storage-all --live debian-cloud-image qemu+ssh://[email protected]/system tcp://10.101.3.103 2018-03-15 15:15:23.217+0000: initiating migration 2018-03-15 15:15:25.740+0000: shutting down, reason=migrated 2018-03-15T15:15:25.741113Z qemu-system-aarch64: terminating on signal 15 from pid 573 (/usr/sbin/libvirtd) root@debian:/var/lib/libvirt/images# virsh list --all Id Name State ---------------------------------------------------- 9 debian-cloud-image running ----------------------------------------------------------------------------- Will dig more to find out what, where and why is wrong. More info: https://bugzilla.redhat.com/show_bug.cgi?id=1430987 ** Affects: nova Importance: Wishlist Status: New ** Tags: libvirt -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1756118 Title: No live migration on aarch64 Status in OpenStack Compute (nova): New Bug description: On AArch64 we use cpu_mode='host-passthrought' which should allow us to do live migration between compute nodes running same cpus. But it does not: -----------------------------------------------------------------------------estuary@ref-compute-2:~$ openstack server migrate --live ref-compute-1 --wait 38da6986-2f76-486d-877b-438560d7aa05 Migration pre-check error: CPU doesn't have compatibility. XML error: Missing CPU model name Refer to http://libvirt.org/html/libvirt-libvirt-host.html#virCPUCompareResult (HTTP 400) (Request-ID: req-cea6f860-e78b-469b-9527-a703114b372b) ----------------------------------------------------------------------------- virsh itself is able to live migrate between two XGene1 nodes: ----------------------------------------------------------------------------- root@cb-r1-m1-c1n1:/var/log/libvirt# virsh migrate --copy-storage-all --live debian-cloud-image qemu+ssh://[email protected]/system tcp://10.101.3.103 2018-03-15 15:15:23.217+0000: initiating migration 2018-03-15 15:15:25.740+0000: shutting down, reason=migrated 2018-03-15T15:15:25.741113Z qemu-system-aarch64: terminating on signal 15 from pid 573 (/usr/sbin/libvirtd) root@debian:/var/lib/libvirt/images# virsh list --all Id Name State ---------------------------------------------------- 9 debian-cloud-image running ----------------------------------------------------------------------------- Will dig more to find out what, where and why is wrong. More info: https://bugzilla.redhat.com/show_bug.cgi?id=1430987 To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1756118/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : [email protected] Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
