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+++ This bug was initially created as a clone of Bug #1845127 +++
Description of problem:
Incorrect hostname returned by virsh command
Version-Release number of selected component (if applicable):
qemu-kvm-4.2.0-38.module+el8.4.0+9133+5346b06d
How reproducible:
100%
Steps to Reproduce:
1. boot up guest and set new hostname.
2.Get VM hostname via qemu-guest-agent command
{"execute": "guest-get-host-name"}'
3.Get hostname directly from guest os
[root@local~]hostname
Actual result:
on host:
{"execute":"guest-get-host-name"}
{"return": {"host-name": "oldtestname"}}
on guest:
[root@local~]hostname
newhostname
Expected result:
on host:
{"execute":"guest-get-host-name"}
{"return": {"host-name": "newtestname"}}
on guest:
[root@local~]hostname
newhostname
Reproduce with version :
qemu-kvm-4.2.0-38.module+el8.4.0+9133+5346b06d
RHEL-8.4.0-20201229.n.0 BaseOS x86_64
Steps to Reproduceļ¼
1.Boot rhel840 guest successfully.
2.change hostname as "newhostname"
3.Get VM hostname via qemu-guest-agent command
{"execute": "guest-get-host-name"}'
4.Get hostname directly from guest os
Actual result:
on host:
{"execute":"guest-get-host-name"}
{"return": {"host-name": "localhost.localdomain"}}
on guest:
[root@local~]hostname
newhostname
Expected result:
Hostname changed synchronization between host and guest.
Verified with version:
qemu-kvm-4.2.0-40.module+el8.4.0+9278+dd53883d
RHEL-8.4.0-20201229.n.0 BaseOS x86_64
Steps to verify like above
As above
Actual result:
on host:
{"execute":"guest-get-host-name"}
{"return": {"host-name": "newhostname"}}
on guest:
[root@local~]hostname
newhostname
Expected result:
Hostname changed synchronization between host and guest.
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 (Moderate: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update), 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/RHSA-2021:1762