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Bug 1755340 - Live storage migration fails with: TimeoutError: Timed out during operation: cannot acquire state change lock (held by monitor=remoteDispatchConnectGetAllDomainStats) and the VM becomes 'Not Responding' [rhel-7.7.z]
Summary: Live storage migration fails with: TimeoutError: Timed out during operation: ...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: qemu-kvm-rhev
Version: 7.6
Hardware: x86_64
OS: Unspecified
urgent
urgent
Target Milestone: rc
: ---
Assignee: Sergio Lopez
QA Contact: aihua liang
URL:
Whiteboard:
Depends On: 1665256
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-09-25 09:27 UTC by RAD team bot copy to z-stream
Modified: 2020-04-14 02:11 UTC (History)
21 users (show)

Fixed In Version: qemu-kvm-rhev-2.12.0-33.el7_7.5
Doc Type: If docs needed, set a value
Doc Text:
Clone Of: 1665256
Environment:
Last Closed: 2020-02-10 09:17:47 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2020:0457 0 None None None 2020-02-10 09:18:35 UTC

Description RAD team bot copy to z-stream 2019-09-25 09:27:48 UTC 
This bug has been copied from bug #1665256 and has been proposed to be backported to 7.7 z-stream (EUS).
Comment 6 aihua liang 2019-11-08 06:10:08 UTC 
Verify in qemu-kvm-rhev-2.12.0-33.el7_7.5.x86_64, the problem has been resolved, set its status to "Verified".

Test Steps:
  1.Create an empty image.
    #qemu-img create -f qcow2 mirror.qcow2 20G
  
  2.Start dst vm with mirror.qcow2(virtio-blk-pci, data_plane enable)
     /usr/libexec/qemu-kvm \
    -name 'avocado-vt-vm1' \
    -machine pc  \
    -nodefaults \
    -device VGA,bus=pci.0,addr=0x2  \
    -chardev socket,id=qmp_id_qmpmonitor1,path=/var/tmp/monitor-qmpmonitor1-20190624-022456-Uc0cnuxt,server,nowait \
    -mon chardev=qmp_id_qmpmonitor1,mode=control  \
    -chardev socket,id=qmp_id_catch_monitor,path=/var/tmp/monitor-catch_monitor-20190624-022456-Uc0cnuxs,server,nowait \
    -mon chardev=qmp_id_catch_monitor,mode=control \
    -device pvpanic,ioport=0x505,id=idOSU1la  \
    -chardev socket,id=serial_id_serial0,path=/var/tmp/serial-serial0-20190624-022456-Uc0cnuxs,server,nowait \
    -device isa-serial,chardev=serial_id_serial0  \
    -chardev socket,id=seabioslog_id_20190624-022456-Uc0cnuxs,path=/var/tmp/seabios-20190624-022456-Uc0cnuxs,server,nowait \
    -device isa-debugcon,chardev=seabioslog_id_20190624-022456-Uc0cnuxs,iobase=0x402 \
    -device nec-usb-xhci,id=usb1,bus=pci.0,addr=0x3 \
    -object iothread,id=iothread0 \
    -drive id=drive_image1,if=none,snapshot=off,aio=threads,cache=none,file=/home/mirror.qcow2 \
    -device virtio-blk-pci,id=image1,drive=drive_image1,bootindex=1,bus=pci.0,iothread=iothread0 \
    -device virtio-net-pci,mac=9a:01:02:03:04:05,id=idk78PtS,vectors=4,netdev=idd7g5ik,bus=pci.0,addr=0x5  \
    -netdev tap,id=idd7g5ik,vhost=on \
    -m 5120  \
    -smp 2,maxcpus=2,cores=1,threads=1,sockets=2 \
    -cpu 'Nehalem',+kvm_pv_unhalt \
    -device usb-tablet,id=usb-tablet1,bus=usb1.0,port=1  \
    -vnc :1  \
    -rtc base=utc,clock=host,driftfix=slew  \
    -boot menu=off,strict=off,order=cdn,once=c \
    -enable-kvm \
    -monitor stdio \
    -incoming tcp:0:5000 \

  3.Start src guest with virtio_blk device, data_plane enable.
     /usr/libexec/qemu-kvm \
    -name 'avocado-vt-vm1' \
    -machine pc  \
    -nodefaults \
    -device VGA,bus=pci.0,addr=0x2  \
    -chardev socket,id=qmp_id_qmpmonitor1,path=/var/tmp/monitor-qmpmonitor1-20190624-022456-Uc0cnuxs,server,nowait \
    -mon chardev=qmp_id_qmpmonitor1,mode=control  \
    -chardev socket,id=qmp_id_catch_monitor,path=/var/tmp/monitor-catch_monitor-20190624-022456-Uc0cnuxs,server,nowait \
    -mon chardev=qmp_id_catch_monitor,mode=control \
    -device pvpanic,ioport=0x505,id=idOSU1la  \
    -chardev socket,id=serial_id_serial0,path=/var/tmp/serial-serial0-20190624-022456-Uc0cnuxs,server,nowait \
    -device isa-serial,chardev=serial_id_serial0  \
    -chardev socket,id=seabioslog_id_20190624-022456-Uc0cnuxs,path=/var/tmp/seabios-20190624-022456-Uc0cnuxs,server,nowait \
    -device isa-debugcon,chardev=seabioslog_id_20190624-022456-Uc0cnuxs,iobase=0x402 \
    -device nec-usb-xhci,id=usb1,bus=pci.0,addr=0x3 \
    -object iothread,id=iothread0 \
    -drive id=drive_image1,if=none,snapshot=off,aio=threads,cache=none,file=/home/kvm_autotest_root/images/rhel77-64-virtio-scsi.qcow2 \
    -device virtio-blk-pci,id=image1,drive=drive_image1,bootindex=1,bus=pci.0,iothread=iothread0 \
    -device virtio-net-pci,mac=9a:01:02:03:04:05,id=idk78PtS,vectors=4,netdev=idd7g5ik,bus=pci.0,addr=0x5  \
    -netdev tap,id=idd7g5ik,vhost=on \
    -m 5120  \
    -smp 2,maxcpus=2,cores=1,threads=1,sockets=2 \
    -cpu 'Nehalem',+kvm_pv_unhalt \
    -device usb-tablet,id=usb-tablet1,bus=usb1.0,port=1  \
    -vnc :0  \
    -rtc base=utc,clock=host,driftfix=slew  \
    -boot menu=off,strict=off,order=cdn,once=c \
    -enable-kvm \
    -monitor stdio \

  4.Do mirror from src to dst.
     { "execute": "drive-mirror", "arguments": { "device": "drive_image1","target":"/home/mirror.qcow2","sync":"full","mode":"existing"}}

  5.Set migration capabilities.
     {"execute":"migrate-set-capabilities","arguments":{"capabilities":[{"capability":"pause-before-switchover","state":true}]}}

  6.Migrate from src to dst.
     { "execute": "migrate", "arguments": { "uri": "tcp:localhost:5000"}}
{"return": {}}

  7.Wait some minutes, check migrate status
     {"execute":"qury-migrate"}
     {"return": {"expected-downtime": 300, "status": "active", "setup-time": 328, "total-time": 20992, "ram": {"total": 7533830144, "postcopy-requests": 0, "dirty-sync-count": 1, "page-size": 4096, "remaining": 1263505408, "mbps": 268.5672, "transferred": 689773714, "duplicate": 1365763, "dirty-pages-rate": 0, "skipped": 0, "normal-bytes": 676159488, "normal": 165078}}}
     {"timestamp": {"seconds": 1569389952, "microseconds": 920203}, "event": "JOB_STATUS_CHANGE", "data": {"status": "standby", "id": "drive_image1"}}
{"timestamp": {"seconds": 1569389952, "microseconds": 920339}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "drive_image1"}}
{"timestamp": {"seconds": 1569389952, "microseconds": 920563}, "event": "STOP"}

  8. Continue migration
     {"execute":"migrate-continue","arguments":{"state":"pre-switchover"}}

  9. Check src vm status
    (qemu) info status 
VM status: paused (postmigrate)

  10. Check dst vm status
     (qemu) info status 
VM status: running
Comment 8 errata-xmlrpc 2020-02-10 09:17:47 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2020:0457
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