Bug 1854783 - [4.4.z][sriov] VF MTU cannot be set if the initial PF MTU equals to the MTU in the SriovNetworkNodePolicy CR
Summary: [4.4.z][sriov] VF MTU cannot be set if the initial PF MTU equals to the MTU i...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: OpenShift Container Platform
Classification: Red Hat
Component: Networking
Version: 4.4
Hardware: Unspecified
OS: Unspecified
unspecified
high
Target Milestone: ---
: 4.4.z
Assignee: Peng Liu
QA Contact: zhaozhanqi
URL:
Whiteboard:
Depends On: 1854781
Blocks: 1854782
TreeView+ depends on / blocked
 
Reported: 2020-07-08 08:58 UTC by Peng Liu
Modified: 2020-08-04 14:16 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of: 1854781
Environment:
Last Closed: 2020-08-04 14:16:01 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Github openshift sriov-network-operator pull 305 0 None closed [release-4.4] bug 1858668: Tolerates all taints in device plugin DaemonSet 2020-07-29 03:18:06 UTC
Red Hat Product Errata RHBA-2020:3128 0 None None None 2020-08-04 14:16:34 UTC

Description Peng Liu 2020-07-08 08:58:26 UTC 
+++ This bug was initially created as a clone of Bug #1854781 +++

Description of problem:
VF MTU cannot be set if the initial PF MTU equals to the MTU in the SriovNetworkNodePolicy CR

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


How reproducible:


Steps to Reproduce:
1. Set MTU to a non-default value, e.g. $ ip link set dev ens803f0 mtu 5000
2. deploy the sriov network operator
3. apply the following policy
---
apiVersion: sriovnetwork.openshift.io/v1
kind: SriovNetworkNodePolicy
metadata:
  name: policy-net-2
spec:
  resourceName: nic2
  nodeSelector:
    kubernetes.io/hostname: worker-0
    feature.node.kubernetes.io/network-sriov.capable: "true"
  priority: 99
  mtu: 5000
  numVfs: 4
  nicSelector:
    pfNames: ['ens803f0']
  isRdma: false

Actual results:
The VFs were created with MTU 1500


Expected results:
The VFs were created with MTU 5000
Additional info:
Comment 4 zhaozhanqi 2020-07-30 05:56:22 UTC 
Verified this bug on 4.4
Comment 6 errata-xmlrpc 2020-08-04 14:16:01 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 (OpenShift Container Platform 4.4.15 bug fix 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/RHBA-2020:3128
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