RHEL Engineering is moving the tracking of its product development work on RHEL 6 through RHEL 9 to Red Hat Jira (issues.redhat.com). If you're a Red Hat customer, please continue to file support cases via the Red Hat customer portal. If you're not, please head to the "RHEL project" in Red Hat Jira and file new tickets here. Individual Bugzilla bugs in the statuses "NEW", "ASSIGNED", and "POST" are being migrated throughout September 2023. Bugs of Red Hat partners with an assigned Engineering Partner Manager (EPM) are migrated in late September as per pre-agreed dates. Bugs against components "kernel", "kernel-rt", and "kpatch" are only migrated if still in "NEW" or "ASSIGNED". If you cannot log in to RH Jira, please consult article #7032570. That failing, please send an e-mail to the RH Jira admins at rh-issues@redhat.com to troubleshoot your issue as a user management inquiry. The email creates a ServiceNow ticket with Red Hat. Individual Bugzilla bugs that are migrated will be moved to status "CLOSED", resolution "MIGRATED", and set with "MigratedToJIRA" in "Keywords". The link to the successor Jira issue will be found under "Links", have a little "two-footprint" icon next to it, and direct you to the "RHEL project" in Red Hat Jira (issue links are of type "https://issues.redhat.com/browse/RHEL-XXXX", where "X" is a digit). This same link will be available in a blue banner at the top of the page informing you that that bug has been migrated.

Description of problem:
Set graphics listen type to 'socket', start guest and do migration, after migration, the graphics type changed to 'address'.

The live xml before migration:
# virsh dumpxml rhel7.2
...
    <graphics type='vnc' socket='/var/lib/libvirt/qemu/domain-24-rhel7.2/vnc.sock'>
      <listen type='socket' socket='/var/lib/libvirt/qemu/domain-24-rhel7.2/vnc.sock'/>
    </graphics>

The migratable xml is:
# virsh dumpxml rhel7.2 --migratable
...
    <graphics type='vnc'/>

The live xml after migration:
# virsh dumpxml rhel7.2
...
    <graphics type='vnc' port='5900' autoport='yes' listen='127.0.0.1'>
      <listen type='address' address='127.0.0.1'/>
    </graphics>


Version-Release number of selected component:
libvirt-2.0.0-5.el7.x86_64

How reproducible:
100%

Steps to Reproduce:
1. Set guest graphics type to vnc and listen type to socket
2. Start guest and do migration
3. Check graphics type after migration

Actual results:
After migration, the graphics type changed to 'address'.

Expected results:
After migration, the graphics type doesn't change.

I can reproduce this issue.
verify with build:
libvirt-3.2.0-3.el7.x86_64
qemu-kvm-rhev-2.9.0-1.el7.x86_64

step with bug description
after migration, check target guest xml
.....
<graphics type='vnc' socket='/var/lib/libvirt/qemu/domain-8-rhel7/vnc.sock'>
      <listen type='socket' socket='/var/lib/libvirt/qemu/domain-8-rhel7/vnc.sock'/>
    </graphics>
....
additional testing, add --persistent when do migrate, after migration complete,
destroy target guest and check xml:
....
<graphics type='vnc'>
      <listen type='socket'/>
    </graphics>
....
worked as expect, move to verified.

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/RHEA-2017:1846

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/RHEA-2017:1846