Bug 1912426

Summary: Disable suspending a VM with an NVDIMM device
Product: [oVirt] ovirt-engine Reporter: Arik <ahadas>
Component: BLL.VirtAssignee: Milan Zamazal <mzamazal>
Status: CLOSED CURRENTRELEASE QA Contact: Nisim Simsolo <nsimsolo>
Severity: medium Docs Contact:
Priority: high    
Version: 4.4.4CC: bugs, nsimsolo
Target Milestone: ovirt-4.4.5Flags: pm-rhel: ovirt-4.4+
pm-rhel: planning_ack+
ahadas: devel_ack+
pm-rhel: testing_ack+
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: ovirt-engine-4.4.5.4 Doc Type: Known Issue
Doc Text:
Suspending VMs with NVDIMMs can be very slow and prevent operating the VM for a very long time. For this reason, hibernating VMs with NVDIMMs has been disabled, until the underlying issues are fixed.
 Story Points: ---
Clone Of: Environment:
Last Closed: 2021-03-18 15:14:30 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: Virt RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Arik 2021-01-04 12:37:25 UTC 
Until bz 1897906 is fixed, we should disable suspending a VM that is set with an NVDIMM device
Comment 1 Nisim Simsolo 2021-02-08 12:11:57 UTC 
Verified:
ovirt-engine-4.4.5.4-0.6.el8ev
vdsm-4.40.50.1-1.el8ev.x86_64
qemu-kvm-5.1.0-14.module+el8.3.0+8790+80f9c6d8.1.x86_64
libvirt-daemon-6.6.0-7.3.module+el8.3.0+9547+7d548490.x86_64

Verification scenario:
1. Try to suspend VM with NVDIMM device
Verify the next WebAdmin operation canceled message appears:

"Error while executing action:

1_NVDIMM:
annot hibernate VM. VM has NVDIMM devices attached."
Comment 2 Sandro Bonazzola 2021-03-18 15:14:30 UTC 
This bugzilla is included in oVirt 4.4.5 release, published on March 18th 2021.

Since the problem described in this bug report should be resolved in oVirt 4.4.5 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.