reenable paused live migration

[SeanMooney]

This commit unskips paused live migration for the local storage job
Related: OSPRH-7198

[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://review.rdoproject.org/zuul/buildset/ba0fc244b04449d1bd9d60211970c1a3

✔️ openstack-k8s-operators-content-provider SUCCESS in 3h 18m 58s
✔️ nova-operator-kuttl SUCCESS in 46m 46s
❌ nova-operator-tempest-multinode FAILURE in 2h 26m 30s
✔️ nova-operator-tempest-multinode-ceph SUCCESS in 2h 58m 58s (non-voting)

[bogdando]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bogdando, SeanMooney

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files:

• OWNERS [SeanMooney,bogdando]

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[openshift-ci]

New changes are detected. LGTM label has been removed.

[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://review.rdoproject.org/zuul/buildset/2cd4749291e84815a7200ab0fa31b532

✔️ openstack-k8s-operators-content-provider SUCCESS in 3h 48m 52s
✔️ nova-operator-kuttl SUCCESS in 44m 57s
❌ nova-operator-tempest-multinode FAILURE in 1h 17m 47s
❌ nova-operator-tempest-multinode-ceph FAILURE in 1h 28m 17s

[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://review.rdoproject.org/zuul/buildset/6d5f26cb3c7b41fe8c4ede0d3f2408de

✔️ openstack-k8s-operators-content-provider SUCCESS in 3h 18m 43s
✔️ nova-operator-kuttl SUCCESS in 44m 54s
❌ nova-operator-tempest-multinode FAILURE in 1h 25m 28s
✔️ nova-operator-tempest-multinode-ceph SUCCESS in 2h 32m 20s

[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://review.rdoproject.org/zuul/buildset/b3a5861f54724210a9f69892541def9b

✔️ openstack-k8s-operators-content-provider SUCCESS in 3h 45m 06s
✔️ nova-operator-kuttl SUCCESS in 47m 24s
❌ nova-operator-tempest-multinode FAILURE in 1h 22m 43s
✔️ nova-operator-tempest-multinode-ceph SUCCESS in 2h 56m 54s

[SeanMooney]

check-rdo tempest did not run

[softwarefactory-project-zuul]

Build failed (check pipeline). Post recheck (without leading slash)
to rerun all jobs. Make sure the failure cause has been resolved before
you rerun jobs.

https://review.rdoproject.org/zuul/buildset/49bddecf00d244869f75e73b5dd89689

✔️ openstack-k8s-operators-content-provider SUCCESS in 3h 12m 21s
✔️ nova-operator-kuttl SUCCESS in 47m 17s
❌ nova-operator-tempest-multinode FAILURE in 2h 00m 37s
✔️ nova-operator-tempest-multinode-ceph SUCCESS in 2h 54m 11s

[gibizer]

https://logserver.rdoproject.org/77/777/79ac6ffd12c34a20dc60c1e96b645c0d38b2eff7/github-check/nova-operator-tempest-multinode/4868a83/controller/ci-framework-data/tests/test_operator/tempest-tests/stestr_results.html

Traceback (most recent call last):
  File "/usr/lib/python3.9/site-packages/tempest/api/compute/admin/test_live_migration.py", line 161, in test_live_block_migration_paused
    self._test_live_migration(state='PAUSED')
  File "/usr/lib/python3.9/site-packages/tempest/api/compute/admin/test_live_migration.py", line 141, in _test_live_migration
    self._live_migrate(server_id, source_host, state, volume_backed)
  File "/usr/lib/python3.9/site-packages/tempest/api/compute/admin/test_live_migration.py", line 80, in _live_migrate
    waiters.wait_for_server_status(self.servers_client, server_id, state)
  File "/usr/lib/python3.9/site-packages/tempest/common/waiters.py", line 80, in wait_for_server_status
    raise exceptions.BuildErrorException(details, server_id=server_id)
tempest.exceptions.BuildErrorException: Server 7b7edae6-f878-4756-a858-86f836d02c33 failed to build and is in ERROR status
Details:

Body: {"os-migrateLive": {"host": "compute-2.ci-rdo.local", "block_migration": "auto"}}
    Response - Headers: {'date': 'Thu, 11 Jul 2024 22:10:44 GMT', 'server': 'Apache', 'content-length': '0', 'openstack-api-version': 'compute 2.25', 'x-openstack-nova-api-version': '2.25', 'vary': 'OpenStack-API-Version,X-OpenStack-Nova-API-Version', 'x-openstack-request-id': 'req-590602d0-1d3d-4ac9-b000-cdd98a2400b4', 'x-compute-request-id': 'req-590602d0-1d3d-4ac9-b000-cdd98a2400b4', 'content-type': 'application/json', 'set-cookie': '0dc6017b143850df8350099417b4ec9f=0f09f76195e02870d3607f0512d6feaf; path=/; HttpOnly; Secure; SameSite=None', 'connection': 'close', 'status': '202', 'content-location': 'https://nova-public-openstack.apps-crc.testing/v2.1/servers/7b7edae6-f878-4756-a858-86f836d02c33/action'}

❯ grep req-590602d0-1d3d-4ac9-b000-cdd98a2400b4 sosreport-compute-*/**/messages | grep ERROR
sosreport-compute-1-2024-07-11-rujznhs/var/log/messages:Jul 11 18:10:59 np0004787595 nova_compute[129891]: 2024-07-11 22:10:59.946 2 ERROR nova.virt.libvirt.driver [None req-590602d0-1d3d-4ac9-b000-cdd98a2400b4 3de117d20e5b45c1ba86c8136c841ef3 eab438b17a2a4575a3abff1f78afc4ff - - default default] [instance: 7b7edae6-f878-4756-a858-86f836d02c33] Live Migration failure: operation failed: domain is not running: libvirt.libvirtError: operation failed: domain is not running#033[00m
sosreport-compute-1-2024-07-11-rujznhs/var/log/messages:Jul 11 18:11:06 np0004787595 nova_compute[129891]: 2024-07-11 22:11:06.965 2 ERROR nova.compute.manager [None req-590602d0-1d3d-4ac9-b000-cdd98a2400b4 3de117d20e5b45c1ba86c8136c841ef3 eab438b17a2a4575a3abff1f78afc4ff - - default default] [instance: 7b7edae6-f878-4756-a858-86f836d02c33] Post live migration at destination compute-2.ci-rdo.local failed: nova.exception_Remote.InstanceNotFound_Remote: Instance 7b7edae6-f878-4756-a858-86f836d02c33 could not be found.
sosreport-compute-2-2024-07-11-hiwjsys/var/log/messages:Jul 11 18:11:06 np0004787596 nova_compute[129411]: 2024-07-11 22:11:06.756 2 ERROR nova.compute.manager [None req-590602d0-1d3d-4ac9-b000-cdd98a2400b4 3de117d20e5b45c1ba86c8136c841ef3 eab438b17a2a4575a3abff1f78afc4ff - - default default] [instance: 7b7edae6-f878-4756-a858-86f836d02c33] Unexpected error during post live migration at destination host.: nova.exception.InstanceNotFound: Instance 7b7edae6-f878-4756-a858-86f836d02c33 could not be found.#033[00m
sosreport-compute-2-2024-07-11-hiwjsys/var/log/messages:Jul 11 18:11:06 np0004787596 nova_compute[129411]: 2024-07-11 22:11:06.956 2 ERROR oslo_messaging.rpc.server [None req-590602d0-1d3d-4ac9-b000-cdd98a2400b4 3de117d20e5b45c1ba86c8136c841ef3 eab438b17a2a4575a3abff1f78afc4ff - - default default] Exception during message handling: nova.exception.InstanceNotFound: Instance 7b7edae6-f878-4756-a858-86f836d02c33 could not be found.

it seems qemu coredumped during the migration

Jul 11 18:10:59 np0004787595 virtqemud[129507]: QEMU_MONITOR_RECV_EVENT: mon=0x7f91e00095d0 event={"timestamp": {"seconds": 1720735859, "microseconds": 360014}, "event": "MIGRATION", "data": {"status": "device"}}
Jul 11 18:10:59 np0004787595 virtqemud[129507]: QEMU_MONITOR_RECV_EVENT: mon=0x7f91e00095d0 event={"timestamp": {"seconds": 1720735859, "microseconds": 360555}, "event": "MIGRATION_PASS", "data": {"pass": 3}}
Jul 11 18:10:59 np0004787595 systemd[1]: Created slice Slice /system/systemd-coredump.
Jul 11 18:10:59 np0004787595 systemd[1]: Started Process Core Dump (PID 137551/UID 0).
Jul 11 18:10:59 np0004787595 systemd-coredump[137552]: Resource limits disable core dumping for process 137492 (qemu-kvm).
Jul 11 18:10:59 np0004787595 systemd-coredump[137552]: Process 137492 (qemu-kvm) of user 107 dumped core.
Jul 11 18:10:59 np0004787595 systemd[1]: systemd-coredump@0-137551-0.service: Deactivated successfully.
Jul 11 18:10:59 np0004787595 kernel: device tap38ce0ca4-3a left promiscuous mode
Jul 11 18:10:59 np0004787595 NetworkManager[5945]: <info>  [1720735859.5564] device (tap38ce0ca4-3a): state change: disconnected -> unmanaged (reason 'unmanaged', sys-iface-state: 'removed')
Jul 11 18:10:59 np0004787595 nova_compute[129891]: 2024-07-11 22:10:59.603 2 DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd 25 __log_wakeup /usr/lib64/python3.9/site-packages/ovs/poller.py:263#033[00m
Jul 11 18:10:59 np0004787595 ovn_controller[75600]: 2024-07-11T22:10:59Z|00057|binding|INFO|Releasing lport 38ce0ca4-3ade-46f8-99b8-78ba6843ed37 from this chassis (sb_readonly=0)
Jul 11 18:10:59 np0004787595 ovn_controller[75600]: 2024-07-11T22:10:59Z|00058|binding|INFO|Setting lport 38ce0ca4-3ade-46f8-99b8-78ba6843ed37 down in Southbound
Jul 11 18:10:59 np0004787595 ovn_controller[75600]: 2024-07-11T22:10:59Z|00059|binding|INFO|Removing iface tap38ce0ca4-3a ovn-installed in OVS
Jul 11 18:10:59 np0004787595 nova_compute[129891]: 2024-07-11 22:10:59.607 2 DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd 25 __log_wakeup /usr/lib64/python3.9/site-packages/ovs/poller.py:263#033[00m
Jul 11 18:10:59 np0004787595 nova_compute[129891]: 2024-07-11 22:10:59.618 2 DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd 25 __log_wakeup /usr/lib64/python3.9/site-packages/ovs/poller.py:263#033[00m
Jul 11 18:10:59 np0004787595 systemd[1]: machine-qemu\x2d6\x2dinstance\x2d0000000c.scope: Deactivated successfully.
Jul 11 18:10:59 np0004787595 systemd[1]: machine-qemu\x2d6\x2dinstance\x2d0000000c.scope: Consumed 1.881s CPU time.
Jul 11 18:10:59 np0004787595 systemd-machined[104609]: Machine qemu-6-instance-0000000c terminated.
Jul 11 18:10:59 np0004787595 virtqemud[129507]: QEMU_MONITOR_CLOSE: mon=0x7f91e00095d0
Jul 11 18:10:59 np0004787595 kernel: device tap38ce0ca4-3a entered promiscuous mode
Jul 11 18:10:59 np0004787595 virtqemud[129507]: delete device: 'tap38ce0ca4-3a'
Jul 11 18:10:59 np0004787595 kernel: device tap38ce0ca4-3a left promiscuous mode
Jul 11 18:10:59 np0004787595 NetworkManager[5945]: <info>  [1720735859.8294] manager: (tap38ce0ca4-3a): new Tun device (/org/freedesktop/NetworkManager/Devices/23)
Jul 11 18:10:59 np0004787595 nova_compute[129891]: 2024-07-11 22:10:59.835 2 DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd 25 __log_wakeup /usr/lib64/python3.9/site-packages/ovs/poller.py:263#033[00m
Jul 11 18:10:59 np0004787595 ovn_controller[75600]: 2024-07-11T22:10:59Z|00060|binding|INFO|Claiming lport 38ce0ca4-3ade-46f8-99b8-78ba6843ed37 for this chassis.
Jul 11 18:10:59 np0004787595 ovn_controller[75600]: 2024-07-11T22:10:59Z|00061|binding|INFO|38ce0ca4-3ade-46f8-99b8-78ba6843ed37: Claiming fa:16:3e:41:60:15 10.100.0.8
Jul 11 18:10:59 np0004787595 ovn_controller[75600]: 2024-07-11T22:10:59Z|00062|binding|INFO|Setting lport 38ce0ca4-3ade-46f8-99b8-78ba6843ed37 ovn-installed in OVS
Jul 11 18:10:59 np0004787595 ovn_controller[75600]: 2024-07-11T22:10:59Z|00063|if_status|INFO|Not setting lport 38ce0ca4-3ade-46f8-99b8-78ba6843ed37 down as sb is readonly
Jul 11 18:10:59 np0004787595 nova_compute[129891]: 2024-07-11 22:10:59.857 2 DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd 25 __log_wakeup /usr/lib64/python3.9/site-packages/ovs/poller.py:263#033[00m
Jul 11 18:10:59 np0004787595 virtnodedevd[129675]: The interface 'tap38ce0ca4-3a' was removed before we could query it.
Jul 11 18:10:59 np0004787595 nova_compute[129891]: 2024-07-11 22:10:59.869 2 DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd 25 __log_wakeup /usr/lib64/python3.9/site-packages/ovs/poller.py:263#033[00m
Jul 11 18:10:59 np0004787595 virtqemud[129507]: operation failed: domain is not running
Jul 11 18:10:59 np0004787595 nova_compute[129891]: 2024-07-11 22:10:59.873 2 DEBUG ovsdbapp.backend.ovs_idl.vlog [-] [POLLIN] on fd 25 __log_wakeup /usr/lib64/python3.9/site-packages/ovs/poller.py:263#033[00m
Jul 11 18:10:59 np0004787595 ovn_controller[75600]: 2024-07-11T22:10:59Z|00064|binding|INFO|Releasing lport 38ce0ca4-3ade-46f8-99b8-78ba6843ed37 from this chassis (sb_readonly=0)
Jul 11 18:10:59 np0004787595 nova_compute[129891]: 2024-07-11 22:10:59.876 2 DEBUG nova.virt.libvirt.guest [None req-590602d0-1d3d-4ac9-b000-cdd98a2400b4 3de117d20e5b45c1ba86c8136c841ef3 eab438b17a2a4575a3abff1f78afc4ff - - default default] Domain has shutdown/gone away: Requested operation is not valid: domain is not running get_job_info /usr/lib/python3.9/site-packages/nova/virt/libvirt/guest.py:688#033[00m
Jul 11 18:10:59 np0004787595 nova_compute[129891]: 2024-07-11 22:10:59.876 2 INFO nova.virt.libvirt.driver [None req-590602d0-1d3d-4ac9-b000-cdd98a2400b4 3de117d20e5b45c1ba86c8136c841ef3 eab438b17a2a4575a3abff1f78afc4ff - - default default] [instance: 7b7edae6-f878-4756-a858-86f836d02c33] Migration operation has completed#033[00m
Jul 11 18:10:59 np0004787595 nova_compute[129891]: 2024-07-11 22:10:59.877 2 INFO nova.compute.manager [None req-590602d0-1d3d-4ac9-b000-cdd98a2400b4 3de117d20e5b45c1ba86c8136c841ef3 eab438b17a2a4575a3abff1f78afc4ff - - default default] [instance: 7b7edae6-f878-4756-a858-86f836d02c33] _post_live_migration() is started..#033[00m

from the qemu log:

char device redirected to /dev/pts/1 (label charserial0)
2024-07-11T22:10:31.275160Z qemu-kvm: warning: Deprecated CPU topology (considered invalid): Unsupported clusters parameter mustn't be specified as 1
warning: old compression is deprecated; use multifd compression methods instead
warning: old compression is deprecated; use multifd compression methods instead
warning: old compression is deprecated; use multifd compression methods instead
warning: block migration is deprecated; use blockdev-mirror with NBD instead
2024-07-11 22:10:39.607+0000: Domain id=6 is tainted: custom-monitor
2024-07-11 22:10:59.046+0000: initiating migration
qemu-kvm: ../block.c:6979: int bdrv_inactivate_recurse(BlockDriverState *): Assertion `!(bs->open_flags & BDRV_O_INACTIVE)' failed.
2024-07-11 22:10:59.810+0000: shutting down, reason=crashed

[gibizer]

❯ cat sosreport-compute-1-2024-07-11-rujznhs/sos_commands/coredump/coredumpctl_dump
           PID: 137492 (qemu-kvm)
           UID: 107 (qemu)
           GID: 107 (qemu)
        Signal: 6 (ABRT)
     Timestamp: Thu 2024-07-11 22:10:59 UTC (41min ago)
  Command Line: /usr/libexec/qemu-kvm -name guest=instance-0000000c,debug-threads=on -S -object $'{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain-6-instance-0000000c/master-key.aes"}' -machine pc-q35-rhel9.4.0,usb=off,dump-guest-core=off,memory-backend=pc.ram,hpet=off,acpi=on -accel kvm -cpu Nehalem,x2apic=on,hypervisor=on,vme=on -m size=131072k -object $'{"qom-type":"memory-backend-ram","id":"pc.ram","size":134217728}' -overcommit mem-lock=off -smp 1,sockets=1,dies=1,clusters=1,cores=1,threads=1 -uuid 7b7edae6-f878-4756-a858-86f836d02c33 -smbios $'type=1,manufacturer=RDO,product=OpenStack Compute,version=27.4.0-0.20240709131752.f732f84.el9,serial=7b7edae6-f878-4756-a858-86f836d02c33,uuid=7b7edae6-f878-4756-a858-86f836d02c33,family=Virtual Machine' -no-user-config -nodefaults -chardev socket,id=charmonitor,fd=30,server=on,wait=off -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc,driftfix=slew -global kvm-pit.lost_tick_policy=delay -no-shutdown -boot strict=on -device $'{"driver":"pcie-root-port","port":16,"chassis":1,"id":"pci.1","bus":"pcie.0","multifunction":true,"addr":"0x2"}' -device $'{"driver":"pcie-root-port","port":17,"chassis":2,"id":"pci.2","bus":"pcie.0","addr":"0x2.0x1"}' -device $'{"driver":"pcie-root-port","port":18,"chassis":3,"id":"pci.3","bus":"pcie.0","addr":"0x2.0x2"}' -device $'{"driver":"pcie-root-port","port":19,"chassis":4,"id":"pci.4","bus":"pcie.0","addr":"0x2.0x3"}' -device $'{"driver":"pcie-root-port","port":20,"chassis":5,"id":"pci.5","bus":"pcie.0","addr":"0x2.0x4"}' -device $'{"driver":"pcie-root-port","port":21,"chassis":6,"id":"pci.6","bus":"pcie.0","addr":"0x2.0x5"}' -device $'{"driver":"pcie-root-port","port":22,"chassis":7,"id":"pci.7","bus":"pcie.0","addr":"0x2.0x6"}' -device $'{"driver":"pcie-root-port","port":23,"chassis":8,"id":"pci.8","bus":"pcie.0","addr":"0x2.0x7"}' -device $'{"driver":"pcie-root-port","port":24,"chassis":9,"id":"pci.9","bus":"pcie.0","multifunction":true,"addr":"0x3"}' -device $'{"driver":"pcie-root-port","port":25,"chassis":10,"id":"pci.10","bus":"pcie.0","addr":"0x3.0x1"}' -device $'{"driver":"pcie-root-port","port":26,"chassis":11,"id":"pci.11","bus":"pcie.0","addr":"0x3.0x2"}' -device $'{"driver":"pcie-root-port","port":27,"chassis":12,"id":"pci.12","bus":"pcie.0","addr":"0x3.0x3"}' -device $'{"driver":"pcie-root-port","port":28,"chassis":13,"id":"pci.13","bus":"pcie.0","addr":"0x3.0x4"}' -device $'{"driver":"pcie-root-port","port":29,"chassis":14,"id":"pci.14","bus":"pcie.0","addr":"0x3.0x5"}' -device $'{"driver":"pcie-root-port","port":30,"chassis":15,"id":"pci.15","bus":"pcie.0","addr":"0x3.0x6"}' -device $'{"driver":"pcie-root-port","port":31,"chassis":16,"id":"pci.16","bus":"pcie.0","addr":"0x3.0x7"}' -device $'{"driver":"pcie-root-port","port":32,"chassis":17,"id":"pci.17","bus":"pcie.0","multifunction":true,"addr":"0x4"}' -device $'{"driver":"pcie-root-port","port":33,"chassis":18,"id":"pci.18","bus":"pcie.0","addr":"0x4.0x1"}' -device $'{"driver":"pcie-root-port","port":34,"chassis":19,"id":"pci.19","bus":"pcie.0","addr":"0x4.0x2"}' -device $'{"driver":"pcie-root-port","port":35,"chassis":20,"id":"pci.20","bus":"pcie.0","addr":"0x4.0x3"}' -device $'{"driver":"pcie-root-port","port":36,"chassis":21,"id":"pci.21","bus":"pcie.0","addr":"0x4.0x4"}' -device $'{"driver":"pcie-root-port","port":37,"chassis":22,"id":"pci.22","bus":"pcie.0","addr":"0x4.0x5"}' -device $'{"driver":"pcie-root-port","port":38,"chassis":23,"id":"pci.23","bus":"pcie.0","addr":"0x4.0x6"}' -device $'{"driver":"pcie-root-port","port":39,"chassis":24,"id":"pci.24","bus":"pcie.0","addr":"0x4.0x7"}' -device $'{"driver":"pcie-root-port","port":40,"chassis":25,"id":"pci.25","bus":"pcie.0","addr":"0x5"}' -device $'{"driver":"pcie-pci-bridge","id":"pci.26","bus":"pci.1","addr":"0x0"}' -device $'{"driver":"piix3-usb-uhci","id":"usb","bus":"pci.26","addr":"0x1"}' -blockdev $'{"driver":"file","filename":"/var/lib/nova/instances/_base/e27bc3abb019f3161ac0ff3371e6526de499cf64","node-name":"libvirt-3-storage","read-only":true,"cache":{"direct":true,"no-flush":false}}' -blockdev $'{"driver":"file","filename":"/var/lib/nova/instances/7b7edae6-f878-4756-a858-86f836d02c33/disk","node-name":"libvirt-2-storage","auto-read-only":true,"discard":"unmap","cache":{"direct":true,"no-flush":false}}' -blockdev $'{"node-name":"libvirt-2-format","read-only":false,"cache":{"direct":true,"no-flush":false},"driver":"qcow2","file":"libvirt-2-storage","backing":"libvirt-3-storage"}' -device $'{"driver":"virtio-blk-pci","bus":"pci.3","addr":"0x0","drive":"libvirt-2-format","id":"virtio-disk0","bootindex":1,"write-cache":"on"}' -blockdev $'{"driver":"file","filename":"/var/lib/nova/instances/7b7edae6-f878-4756-a858-86f836d02c33/disk.config","node-name":"libvirt-1-storage","read-only":true,"cache":{"direct":true,"no-flush":false}}' -device $'{"driver":"ide-cd","bus":"ide.0","drive":"libvirt-1-storage","id":"sata0-0-0","write-cache":"on"}' -netdev $'{"type":"tap","fd":"33","vhost":true,"vhostfd":"35","id":"hostnet0"}' -device $'{"driver":"virtio-net-pci","rx_queue_size":512,"host_mtu":1442,"netdev":"hostnet0","id":"net0","mac":"fa:16:3e:41:60:15","bus":"pci.2","addr":"0x0"}' -add-fd set=0,fd=32,opaque=serial0-log -chardev pty,id=charserial0,logfile=/dev/fdset/0,logappend=on -device $'{"driver":"isa-serial","chardev":"charserial0","id":"serial0","index":0}' -device $'{"driver":"usb-tablet","id":"input0","bus":"usb.0","port":"1"}' -audiodev $'{"id":"audio1","driver":"none"}' -object $'{"qom-type":"tls-creds-x509","id":"vnc-tls-creds0","dir":"/etc/pki/qemu","endpoint":"server","verify-peer":true}' -vnc $'[::]:1,tls-creds=vnc-tls-creds0,audiodev=audio1' -device $'{"driver":"virtio-vga","id":"video0","max_outputs":1,"bus":"pcie.0","addr":"0x1"}' -global ICH9-LPC.noreboot=off -watchdog-action reset -incoming defer -device $'{"driver":"virtio-balloon-pci","id":"balloon0","bus":"pci.4","addr":"0x0"}' -object $'{"qom-type":"rng-random","id":"objrng0","filename":"/dev/urandom"}' -device $'{"driver":"virtio-rng-pci","rng":"objrng0","id":"rng0","bus":"pci.5","addr":"0x0"}' -device $'{"driver":"vmcoreinfo"}' -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny -msg timestamp=on
    Executable: /usr/libexec/qemu-kvm
 Control Group: /machine.slice/machine-qemu\x2d6\x2dinstance\x2d0000000c.scope/libvirt/emulator
          Unit: machine-qemu\x2d6\x2dinstance\x2d0000000c.scope
         Slice: machine.slice
       Boot ID: 3b58a1c097fa4911871895351c43e367
    Machine ID: a18064704e5e8f1cdaa60a2f4b5c8b03
      Hostname: compute-1.ci-rdo.local
       Storage: none
       Message: Process 137492 (qemu-kvm) of user 107 dumped core.
Coredump entry has no core attached (neither internally in the journal nor externally on disk).

[gibizer]

It seems this is a know issue in qemu. They cannot support paused live migration without unpausing the instance. We enabled back and forth migration in this job so we cannot re-enable paused live migration in it until https://issues.redhat.com/browse/RHEL-48801 is fixed.