Bug 2141654

Summary:	warning log appearing on VMs: found no SR-IOV networks
Product:	Container Native Virtualization (CNV)	Reporter:	Ram Lavi <ralavi>
Component:	Networking	Assignee:	Ram Lavi <ralavi>
Status:	CLOSED ERRATA	QA Contact:	Ruth Netser <rnetser>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	4.12.0	CC:	phoracek, ysegev
Target Milestone:	---
Target Release:	4.12.0
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	bundle v4.12.0-738	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:
Clones:	2141657 (view as bug list)		Environment:
Last Closed:	2023-01-24 13:42:07 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Ram Lavi 2022-11-10 11:43:00 UTC

Description of problem:
When creating a VMI, with no SRIOV interfaces, the log is filled with a warning log: 
found no SR-IOV networks to PCI-Address mapping. fall back to resource address pool.


Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. Create a VMI with no SRIOV interfaces
2.
3.

Actual results:
virt-launcher logs show the warning logs every few seconds.

Expected results:
No such warning log to appear

Additional info:

Comment 1 Ram Lavi 2022-11-10 11:45:45 UTC

https://github.com/kubevirt/kubevirt/pull/8754

Comment 3 Yossi Segev 2022-12-15 14:20:54 UTC

Verified on
CNV 4.12.0-758
SR-IOV 4.12.0-202212140155
virt-handler v4.12.0-252


1. Create a basic Fedora VM with no SR-IOV interfaces (or any secondary interface) on a bare-metal cluster with SR-IOV installed.
2. Follow the virt-launcher log for ~15 minutes:
$ oc logs virt-launcher-vm-fedora-h4fg5 -f | grep -i IOV

No output found.

Comment 6 errata-xmlrpc 2023-01-24 13:42:07 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 (Important: OpenShift Virtualization 4.12.0 Images security 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-2023:0408