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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 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.
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