>>I have noticed that migration from node4 to any other node (3.10 to >>2.6.32) ends with OK, but the VM is hung
It's possible that kernel 3.10 kvm module have fixes not available in 2.6.32. for example new cpu flags exposing in guest. That could explain why the migration hang. (you should never migrate from new to older kernel, try to keep same kernel on all nodes) ----- Mail original ----- De: "Eneko Lacunza" <[email protected]> À: "proxmoxve" <[email protected]> Envoyé: Mercredi 19 Août 2015 13:01:05 Objet: [PVE-User] VM migration from k3.10 to k2.6.32 OK but migrated VM hung Hi all, We have a cluster of 4 proxmox nodes, all have 2 ceph osds and VMs running on them. Node kernel version and uptodate status is: (version detail bellow). - node1: 2.6.32 kernel, 2 month behind versions - node2: 2.6.32 kernel, 2 month behind versions - node3: 2.6.32 kernel, up to date versions - node4: 3.10 kernel, 2 month behind versions I have noticed that migration from node4 to any other node (3.10 to 2.6.32) ends with OK, but the VM is hung, no console nor network reply. Migration from 2.6.32 to 3.10 kernel works ok, as does 2.6.32 to 2.6.32 . Is this a known bug? I've tried with default kvm64 processor, 256MB and 4 GB RAM, and 1 and 2 cores. Guests Centos with 2.6.32 kernel and Debian 8. Thanks Eneko NODE1 # pveversion -v proxmox-ve-2.6.32: 3.4-156 (running kernel: 2.6.32-39-pve) pve-manager: 3.4-6 (running version: 3.4-6/102d4547) pve-kernel-2.6.32-32-pve: 2.6.32-136 pve-kernel-2.6.32-39-pve: 2.6.32-156 pve-kernel-2.6.32-37-pve: 2.6.32-150 pve-kernel-2.6.32-34-pve: 2.6.32-140 lvm2: 2.02.98-pve4 clvm: 2.02.98-pve4 corosync-pve: 1.4.7-1 openais-pve: 1.1.4-3 libqb0: 0.11.1-2 redhat-cluster-pve: 3.2.0-2 resource-agents-pve: 3.9.2-4 fence-agents-pve: 4.0.10-2 pve-cluster: 3.0-17 qemu-server: 3.4-6 pve-firmware: 1.1-4 libpve-common-perl: 3.0-24 libpve-access-control: 3.0-16 libpve-storage-perl: 3.0-33 pve-libspice-server1: 0.12.4-3 vncterm: 1.1-8 vzctl: 4.0-1pve6 vzprocps: 2.0.11-2 vzquota: 3.1-2 pve-qemu-kvm: 2.2-10 ksm-control-daemon: 1.1-1 glusterfs-client: 3.5.2-1 NODE2 # pveversion -v proxmox-ve-2.6.32: 3.4-156 (running kernel: 2.6.32-39-pve) pve-manager: 3.4-6 (running version: 3.4-6/102d4547) pve-kernel-2.6.32-32-pve: 2.6.32-136 pve-kernel-2.6.32-39-pve: 2.6.32-156 pve-kernel-2.6.32-37-pve: 2.6.32-150 lvm2: 2.02.98-pve4 clvm: 2.02.98-pve4 corosync-pve: 1.4.7-1 openais-pve: 1.1.4-3 libqb0: 0.11.1-2 redhat-cluster-pve: 3.2.0-2 resource-agents-pve: 3.9.2-4 fence-agents-pve: 4.0.10-2 pve-cluster: 3.0-17 qemu-server: 3.4-6 pve-firmware: 1.1-4 libpve-common-perl: 3.0-24 libpve-access-control: 3.0-16 libpve-storage-perl: 3.0-33 pve-libspice-server1: 0.12.4-3 vncterm: 1.1-8 vzctl: 4.0-1pve6 vzprocps: 2.0.11-2 vzquota: 3.1-2 pve-qemu-kvm: 2.2-10 ksm-control-daemon: 1.1-1 glusterfs-client: 3.5.2-1 NODE3 # pveversion -v proxmox-ve-2.6.32: 3.4-160 (running kernel: 2.6.32-40-pve) pve-manager: 3.4-9 (running version: 3.4-9/4b51d87a) pve-kernel-2.6.32-40-pve: 2.6.32-160 pve-kernel-2.6.32-32-pve: 2.6.32-136 pve-kernel-2.6.32-39-pve: 2.6.32-157 lvm2: 2.02.98-pve4 clvm: 2.02.98-pve4 corosync-pve: 1.4.7-1 openais-pve: 1.1.4-3 libqb0: 0.11.1-2 redhat-cluster-pve: 3.2.0-2 resource-agents-pve: 3.9.2-4 fence-agents-pve: 4.0.10-3 pve-cluster: 3.0-18 qemu-server: 3.4-6 pve-firmware: 1.1-4 libpve-common-perl: 3.0-24 libpve-access-control: 3.0-16 libpve-storage-perl: 3.0-33 pve-libspice-server1: 0.12.4-3 vncterm: 1.1-8 vzctl: 4.0-1pve6 vzprocps: 2.0.11-2 vzquota: 3.1-2 pve-qemu-kvm: 2.2-11 ksm-control-daemon: 1.1-1 glusterfs-client: 3.5.2-1 NODE4: # pveversion -v proxmox-ve-2.6.32: 3.4-156 (running kernel: 3.10.0-4-pve) pve-manager: 3.4-6 (running version: 3.4-6/102d4547) pve-kernel-3.10.0-4-pve: 3.10.0-17 pve-kernel-2.6.32-39-pve: 2.6.32-156 pve-kernel-2.6.32-37-pve: 2.6.32-150 pve-kernel-2.6.32-34-pve: 2.6.32-140 lvm2: 2.02.98-pve4 clvm: 2.02.98-pve4 corosync-pve: 1.4.7-1 openais-pve: 1.1.4-3 libqb0: 0.11.1-2 redhat-cluster-pve: 3.2.0-2 resource-agents-pve: 3.9.2-4 fence-agents-pve: 4.0.10-2 pve-cluster: 3.0-17 qemu-server: 3.4-6 pve-firmware: 1.1-4 libpve-common-perl: 3.0-24 libpve-access-control: 3.0-16 libpve-storage-perl: 3.0-33 pve-libspice-server1: 0.12.4-3 vncterm: 1.1-8 vzctl: 4.0-1pve6 vzprocps: 2.0.11-2 vzquota: 3.1-2 pve-qemu-kvm: 2.2-10 ksm-control-daemon: 1.1-1 glusterfs-client: 3.5.2-1 -- Zuzendari Teknikoa / Director Técnico Binovo IT Human Project, S.L. Telf. 943575997 943493611 Astigarraga bidea 2, planta 6 dcha., ofi. 3-2; 20180 Oiartzun (Gipuzkoa) www.binovo.es _______________________________________________ pve-user mailing list [email protected] http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user _______________________________________________ pve-user mailing list [email protected] http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
