After moving to calculate the memory in the VM general tab to be able using QGA, the previous OGA calculation will remain empty even when we are using OGA (el7 guest and below with OGA).
Verification builds: ovirt-engine-4.4.8.2-0.11.el8ev vdsm-4.40.80.3-1.el8ev.x86_64 libvirt-daemon-7.0.0-14.3.module+el8.4.0+11878+84e54169.x86_64 qemu-kvm-5.2.0-16.module+el8.4.0+11923+e8b883e4.4.x86_64 Verification scenario: 1. Run RHEL 7 VM with QGA Verify VM general tab displays Guest OS Memory as "Free/Cached+Buffered" with the correct values, for example: Guest OS Memory Free/Cached+Buffered: 3359 / 0 MB 2. Run RHEL 7 with OGA Verify VM general tab displays Guest OS Memory as " Free/Cached/Buffered" with the correct values, for example: Guest OS Memory Free/Cached/Buffered: 3335 / 2 / 233 MB
This bugzilla is included in oVirt 4.4.8 release, published on August 19th 2021. Since the problem described in this bug report should be resolved in oVirt 4.4.8 release, it has been closed with a resolution of CURRENT RELEASE. If the solution does not work for you, please open a new bug report.