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Bug 1953159

Summary: VM with next run configuration can't get IP after it's restarted becasue the VM's vNIC profile is set to <Empty>
Product: [oVirt] ovirt-engine Reporter: Qin Yuan <qiyuan>
Component: BLL.NetworkAssignee: eraviv
Status: CLOSED CURRENTRELEASE QA Contact: Michael Burman <mburman>
Severity: high Docs Contact:
Priority: high    
Version: 4.4.6.5CC: ahadas, bugs, dfodor, eraviv, lsvaty, mburman, michal.skrivanek, mperina, pmatyas
Target Milestone: ovirt-4.4.6Keywords: Automation, Regression
Target Release: ---Flags: pm-rhel: ovirt-4.4+
mperina: blocker?
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: ovirt-engine-4.4.6.6 Doc Type: No Doc Update
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-05-05 05:36:18 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: Network RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
logs_of_engine_host_guest none

Description Qin Yuan 2021-04-24 08:41:59 UTC 
Description of problem:
VM with next run configuration can't get IP after it's restarted.

Version-Release number of selected component (if applicable):
ovirt-engine-4.4.6.5-0.17.el8ev.noarch
vdsm-4.40.60.5-1.el8ev.x86_64
libvirt-7.0.0-13.module+el8.4.0+10604+5608c2b4.x86_64
Host: kernel-4.18.0-304.el8.x86_64 (rhel8.4)
Guest: kernel-4.18.0-240.el8.x86_64 (rhel8.3)

How reproducible:
100%

Steps to Reproduce:
1. Create and run a VM in RHV 4.4.6-6 ENV(compatibility version 4.6, template latest-rhel-guest-image-8.3-infra)
2. Edit a VM parameter which won't be applied immediately, such as enabling Smartcard, adding vCPUs and selecting apply later.
3. Stop VM, and run it again, wait to check VM IP.

Actual results:
1. VM can't get IP after restarted.

Expected results:
1. VM with next run configuration should get IP after it's restarted.

Additional info:
Comment 1 Michal Skrivanek 2021-04-25 05:32:27 UTC 
please attach logs fro m engine, host, and guest
Comment 2 Qin Yuan 2021-04-25 07:20:45 UTC 
Created attachment 1775159 [details]
logs_of_engine_host_guest
Comment 3 Qin Yuan 2021-04-25 07:28:31 UTC 
I noticed when the VM with next run configuration is stopped, its nic's profile changes to empty. Tried to select a vNic profile for the VM nic again, it can get IP then.
Comment 4 Arik 2021-04-26 11:12:05 UTC 
As it's a regression + automation, I suspect it might be related to your recent changes for out of sync NICs - would it make sense?
Comment 9 Ales Musil 2021-04-28 05:12:18 UTC 
*** Bug 1954299 has been marked as a duplicate of this bug. ***
Comment 10 Michael Burman 2021-05-02 14:52:14 UTC 
Verified on - rhvm-4.4.6.6-0.10.el8ev.noarch
Comment 11 Sandro Bonazzola 2021-05-05 05:36:18 UTC 
This bugzilla is included in oVirt 4.4.6 release, published on May 4th 2021.

Since the problem described in this bug report should be resolved in oVirt 4.4.6 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.