Hi Suiheng, Sorry for slow reply, the document 'COLO-FT.txt' in qemu is out of date, I will update it lately. Please follow this step to run COLO(the command has been changed). https://wiki.qemu.org/Features/COLO
Thanks Zhang Chen On Fri, Mar 9, 2018 at 10:54 AM, ĉçİĉ <1754...@bugs.launchpad.net> wrote: > Public bug reported: > > I use Arch Linux x86_64 > both qemu 2.11.1 and Zhang Chen's(https://github.com/ > zhangckid/qemu/commits/colo-with-virtio-net-internal-jul10) > Following document 'COLO-FT.txt', > I test colo feature on my hosts > > I run this command > Primary: > sudo qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qmp stdio > -name primary \ > -device piix3-usb-uhci \ > -device usb-tablet -netdev tap,id=hn0,vhost=off \ > -device virtio-net-pci,id=net-pci0,netdev=hn0 \ > -drive if=virtio,id=colo-disk0,driver=quorum,read-pattern= > fifo,vote-threshold=1,children.0.file.filename=/var/ > lib/libvirt/images/1.raw,children.0.driver=raw -S > > Secondary: > sudo qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qmp stdio > -name secondary \ > -device piix3-usb-uhci \ > -device usb-tablet -netdev tap,id=hn0,vhost=off \ > -device virtio-net-pci,id=net-pci0,netdev=hn0 \ > -drive if=none,id=colo-disk0,file.filename=/var/lib/libvirt/ > images/2.raw,driver=raw,node-name=node0 \ > -drive if=virtio,id=active-disk0,driver=replication,mode=secondary,\ > file.driver=qcow2,top-id=active-disk0,\ > file.file.filename=/mnt/ramfs/active_disk.img,\ > file.backing.driver=qcow2,\ > file.backing.file.filename=/mnt/ramfs/hidden_disk.img,\ > file.backing.backing=colo-disk0 \ > -incoming tcp:0:8888 > > Secondary: > {'execute':'qmp_capabilities'} > { 'execute': 'nbd-server-start', > 'arguments': {'addr': {'type': 'inet', 'data': {'host': '192.168.0.33', > 'port': '8889'} } } > } > {'execute': 'nbd-server-add', 'arguments': {'device': 'colo-disk0', > 'writable': true } } > > Primary: > {'execute':'qmp_capabilities'} > { 'execute': 'human-monitor-command', > 'arguments': {'command-line': 'drive_add -n buddy > driver=replication,mode=primary,file.driver=nbd,file. > host=192.168.0.34,file.port=8889,file.export=colo-disk0, > node-name=nbd_client0'}} > { 'execute':'x-blockdev-change', 'arguments':{'parent': 'colo-disk0', > 'node': 'nbd_client0' } } > { 'execute': 'migrate-set-capabilities', > 'arguments': {'capabilities': [ {'capability': 'x-colo', 'state': > true } ] } } > { 'execute': 'migrate', 'arguments': {'uri': 'tcp:192.168.0.34:8888' } } > { 'execute': 'migrate-set-parameters' , 'arguments':{ > 'x-checkpoint-delay': 2000 } } > > Above are all OK.Two VM syncing. > > Primary: > { 'execute': 'x-blockdev-change', 'arguments': {'parent': 'colo-disk0', > 'child': 'children.1'}} > { 'execute': 'human-monitor-command','arguments': {'command-line': > 'drive_del blk-buddy0'}} > > Secondary: > { 'execute': 'nbd-server-stop' } > { 'execute': 'x-colo-lost-heartbeat' } > > But When I execute x-colo-lost-heartbeat.Primary run Secondary cash > > { 'execute': 'nbd-server-stop' } > {"return": {}} > qemu-system-x86_64: Disconnect client, due to: Unexpected end-of-file > before all bytes were read > { 'execute': 'x-colo-lost-heartbeat' } > {"return": {}} > qemu-system-x86_64: Can't receive COLO message: Input/output error > ** > ERROR:/build/qemu/src/qemu-2.11.1/qom/object.c:907:object_unref: > assertion failed (obj->ref > 0): (0 > 0) > [1] 2972 abort sudo /usr/bin/qemu-system-x86_64 -boot c > -enable-kvm -m 2048 -smp 2 -qmp stdi > > ** Affects: qemu > Importance: Undecided > Status: New > > > ** Tags: colo > > ** Description changed: > > I use Arch Linux x86_64 > - both qemu 2.11.1 Zhang Chen's(https://github.com/ > zhangckid/qemu/commits/colo-with-virtio-net-internal-jul10) > + both qemu 2.11.1 and Zhang Chen's(https://github.com/ > zhangckid/qemu/commits/colo-with-virtio-net-internal-jul10) > Following document 'COLO-FT.txt', > I test colo feature on my hosts > > I run this command > Primary: > sudo qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qmp > stdio -name primary \ > -device piix3-usb-uhci \ > -device usb-tablet -netdev tap,id=hn0,vhost=off \ > -device virtio-net-pci,id=net-pci0,netdev=hn0 \ > -drive if=virtio,id=colo-disk0,driver=quorum,read-pattern= > fifo,vote-threshold=1,children.0.file.filename=/var/ > lib/libvirt/images/1.raw,children.0.driver=raw -S > > Secondary: > sudo qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qmp stdio > -name secondary \ > -device piix3-usb-uhci \ > -device usb-tablet -netdev tap,id=hn0,vhost=off \ > -device virtio-net-pci,id=net-pci0,netdev=hn0 \ > -drive if=none,id=colo-disk0,file.filename=/var/lib/libvirt/ > images/2.raw,driver=raw,node-name=node0 \ > -drive if=virtio,id=active-disk0,driver=replication,mode=secondary,\ > file.driver=qcow2,top-id=active-disk0,\ > file.file.filename=/mnt/ramfs/active_disk.img,\ > file.backing.driver=qcow2,\ > file.backing.file.filename=/mnt/ramfs/hidden_disk.img,\ > file.backing.backing=colo-disk0 \ > -incoming tcp:0:8888 > > Secondary: > {'execute':'qmp_capabilities'} > { 'execute': 'nbd-server-start', > - 'arguments': {'addr': {'type': 'inet', 'data': {'host': > '192.168.0.33', 'port': '8889'} } } > + 'arguments': {'addr': {'type': 'inet', 'data': {'host': > '192.168.0.33', 'port': '8889'} } } > } > {'execute': 'nbd-server-add', 'arguments': {'device': 'colo-disk0', > 'writable': true } } > > Primary: > {'execute':'qmp_capabilities'} > { 'execute': 'human-monitor-command', > - 'arguments': {'command-line': 'drive_add -n buddy > driver=replication,mode=primary,file.driver=nbd,file. > host=192.168.0.33,file.port=8889,file.export=colo-disk0, > node-name=nbd_client0'}} > + 'arguments': {'command-line': 'drive_add -n buddy > driver=replication,mode=primary,file.driver=nbd,file. > host=192.168.0.33,file.port=8889,file.export=colo-disk0, > node-name=nbd_client0'}} > { 'execute':'x-blockdev-change', 'arguments':{'parent': 'colo-disk0', > 'node': 'nbd_client0' } } > { 'execute': 'migrate-set-capabilities', > - 'arguments': {'capabilities': [ {'capability': 'x-colo', 'state': > true } ] } } > + 'arguments': {'capabilities': [ {'capability': 'x-colo', 'state': > true } ] } } > { 'execute': 'migrate', 'arguments': {'uri': 'tcp:192.168.0.33:8888' } } > { 'execute': 'migrate-set-parameters' , 'arguments':{ > 'x-checkpoint-delay': 2000 } } > > Above are all OK.Two VM syncing. > > Primary: > { 'execute': 'x-blockdev-change', 'arguments': {'parent': 'colo-disk0', > 'child': 'children.1'}} > { 'execute': 'human-monitor-command','arguments': {'command-line': > 'drive_del blk-buddy0'}} > > Secondary: > { 'execute': 'nbd-server-stop' } > { 'execute': 'x-colo-lost-heartbeat' } > > But When I execute x-colo-lost-heartbeat.Primary run Secondary cash > > - > - { 'execute': 'nbd-server-stop' } > + { 'execute': 'nbd-server-stop' } > {"return": {}} > qemu-system-x86_64: Disconnect client, due to: Unexpected end-of-file > before all bytes were read > - { 'execute': 'x-colo-lost-heartbeat' } > + { 'execute': 'x-colo-lost-heartbeat' } > {"return": {}} > qemu-system-x86_64: Can't receive COLO message: Input/output error > ** > ERROR:/build/qemu/src/qemu-2.11.1/qom/object.c:907:object_unref: > assertion failed (obj->ref > 0): (0 > 0) > [1] 2972 abort sudo /usr/bin/qemu-system-x86_64 -boot c > -enable-kvm -m 2048 -smp 2 -qmp stdi > > ** Tags added: colo > > -- > You received this bug notification because you are a member of qemu- > devel-ml, which is subscribed to QEMU. > https://bugs.launchpad.net/bugs/1754542 > > Title: > colo: secondary vm crash when execute x-colo-lost-heartbeat > > Status in QEMU: > New > > Bug description: > I use Arch Linux x86_64 > both qemu 2.11.1 and Zhang Chen's(https://github.com/ > zhangckid/qemu/commits/colo-with-virtio-net-internal-jul10) > Following document 'COLO-FT.txt', > I test colo feature on my hosts > > I run this command > Primary: > sudo qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qmp > stdio -name primary \ > -device piix3-usb-uhci \ > -device usb-tablet -netdev tap,id=hn0,vhost=off \ > -device virtio-net-pci,id=net-pci0,netdev=hn0 \ > -drive if=virtio,id=colo-disk0,driver=quorum,read-pattern= > fifo,vote-threshold=1,children.0.file.filename=/var/ > lib/libvirt/images/1.raw,children.0.driver=raw -S > > Secondary: > sudo qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qmp stdio > -name secondary \ > -device piix3-usb-uhci \ > -device usb-tablet -netdev tap,id=hn0,vhost=off \ > -device virtio-net-pci,id=net-pci0,netdev=hn0 \ > -drive if=none,id=colo-disk0,file.filename=/var/lib/libvirt/ > images/2.raw,driver=raw,node-name=node0 \ > -drive if=virtio,id=active-disk0,driver=replication,mode=secondary,\ > file.driver=qcow2,top-id=active-disk0,\ > file.file.filename=/mnt/ramfs/active_disk.img,\ > file.backing.driver=qcow2,\ > file.backing.file.filename=/mnt/ramfs/hidden_disk.img,\ > file.backing.backing=colo-disk0 \ > -incoming tcp:0:8888 > > Secondary: > {'execute':'qmp_capabilities'} > { 'execute': 'nbd-server-start', > 'arguments': {'addr': {'type': 'inet', 'data': {'host': > '192.168.0.33', 'port': '8889'} } } > } > {'execute': 'nbd-server-add', 'arguments': {'device': 'colo-disk0', > 'writable': true } } > > Primary: > {'execute':'qmp_capabilities'} > { 'execute': 'human-monitor-command', > 'arguments': {'command-line': 'drive_add -n buddy > driver=replication,mode=primary,file.driver=nbd,file. > host=192.168.0.34,file.port=8889,file.export=colo-disk0, > node-name=nbd_client0'}} > { 'execute':'x-blockdev-change', 'arguments':{'parent': 'colo-disk0', > 'node': 'nbd_client0' } } > { 'execute': 'migrate-set-capabilities', > 'arguments': {'capabilities': [ {'capability': 'x-colo', 'state': > true } ] } } > { 'execute': 'migrate', 'arguments': {'uri': 'tcp:192.168.0.34:8888' } } > { 'execute': 'migrate-set-parameters' , 'arguments':{ > 'x-checkpoint-delay': 2000 } } > > Above are all OK.Two VM syncing. > > Primary: > { 'execute': 'x-blockdev-change', 'arguments': {'parent': 'colo-disk0', > 'child': 'children.1'}} > { 'execute': 'human-monitor-command','arguments': {'command-line': > 'drive_del blk-buddy0'}} > > Secondary: > { 'execute': 'nbd-server-stop' } > { 'execute': 'x-colo-lost-heartbeat' } > > But When I execute x-colo-lost-heartbeat.Primary run Secondary cash > > { 'execute': 'nbd-server-stop' } > {"return": {}} > qemu-system-x86_64: Disconnect client, due to: Unexpected end-of-file > before all bytes were read > { 'execute': 'x-colo-lost-heartbeat' } > {"return": {}} > qemu-system-x86_64: Can't receive COLO message: Input/output error > ** > ERROR:/build/qemu/src/qemu-2.11.1/qom/object.c:907:object_unref: > assertion failed (obj->ref > 0): (0 > 0) > [1] 2972 abort sudo /usr/bin/qemu-system-x86_64 -boot c > -enable-kvm -m 2048 -smp 2 -qmp stdi > > To manage notifications about this bug go to: > https://bugs.launchpad.net/qemu/+bug/1754542/+subscriptions > > -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1754542 Title: colo: vm crash with segmentation fault Status in QEMU: New Bug description: I use Arch Linux x86_64 Zhang Chen's(https://github.com/zhangckid/qemu/tree/qemu-colo-18mar10) Following document 'COLO-FT.txt', I test colo feature on my hosts I run this command Primary: sudo /usr/local/bin/qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -qmp stdio -name primary \ -device piix3-usb-uhci \ -device usb-tablet -netdev tap,id=hn0,vhost=off \ -device virtio-net-pci,id=net-pci0,netdev=hn0 \ -drive if=virtio,id=primary-disk0,driver=quorum,read-pattern=fifo,vote-threshold=1,\ children.0.file.filename=/var/lib/libvirt/images/1.raw,\ children.0.driver=raw -S Secondary: sudo /usr/local/bin/qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -qmp stdio -name secondary \ -device piix3-usb-uhci \ -device usb-tablet -netdev tap,id=hn0,vhost=off \ -device virtio-net-pci,id=net-pci0,netdev=hn0 \ -drive if=none,id=secondary-disk0,file.filename=/var/lib/libvirt/images/2.raw,driver=raw,node-name=node0 \ -drive if=virtio,id=active-disk0,driver=replication,mode=secondary,\ file.driver=qcow2,top-id=active-disk0,\ file.file.filename=/mnt/ramfs/active_disk.img,\ file.backing.driver=qcow2,\ file.backing.file.filename=/mnt/ramfs/hidden_disk.img,\ file.backing.backing=secondary-disk0 \ -incoming tcp:0:8888 Secondary: {'execute':'qmp_capabilities'} { 'execute': 'nbd-server-start', 'arguments': {'addr': {'type': 'inet', 'data': {'host': '192.168.0.34', 'port': '8889'} } } } {'execute': 'nbd-server-add', 'arguments': {'device': 'secondary-disk0', 'writable': true } } Primary: {'execute':'qmp_capabilities'} { 'execute': 'human-monitor-command', 'arguments': {'command-line': 'drive_add -n buddy driver=replication,mode=primary,file.driver=nbd,file.host=192.168.0.34,file.port=8889,file.export=secondary-disk0,node-name=nbd_client0'}} { 'execute':'x-blockdev-change', 'arguments':{'parent': 'primary-disk0', 'node': 'nbd_client0' } } { 'execute': 'migrate-set-capabilities', 'arguments': {'capabilities': [ {'capability': 'x-colo', 'state': true } ] } } { 'execute': 'migrate', 'arguments': {'uri': 'tcp:192.168.0.34:8888' } } And two VM with cash Primary: {"timestamp": {"seconds": 1520763655, "microseconds": 511415}, "event": "RESUME"} [1] 329 segmentation fault sudo /usr/local/bin/qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qm Secondary: {"timestamp": {"seconds": 1520763655, "microseconds": 510907}, "event": "RESUME"} [1] 367 segmentation fault sudo /usr/local/bin/qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qm To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1754542/+subscriptions
