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Bug 1910326 - Incorrect hostname returned by qga command 'guest-get-host-name'
Summary: Incorrect hostname returned by qga command 'guest-get-host-name'
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: qemu-kvm
Version: 8.4
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: rc
: ---
Assignee: Marc-Andre Lureau
QA Contact: dehanmeng
URL:
Whiteboard:
Depends On: 1845127
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-12-23 13:14 UTC by dehanmeng
Modified: 2021-05-18 15:23 UTC (History)
8 users (show)

Fixed In Version: qemu-kvm-4.2.0-40.module+el8.4.0+9278+dd53883d
Doc Type: If docs needed, set a value
Doc Text:
Clone Of: 1845127
Environment:
Last Closed: 2021-05-18 15:22:59 UTC
Type: Bug
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)

Description dehanmeng 2020-12-23 13:14:13 UTC
+++ 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

Comment 5 dehanmeng 2021-01-05 09:19:55 UTC
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 Reproduce:
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.

Comment 7 errata-xmlrpc 2021-05-18 15:22:59 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 (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


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