Public bug reported:
SR-IOV does not work since Ubuntu Server 18.04.2 LTS, once the HWE
kernel (4.18.0-15 generic x86_64)) has been installed on that version.
Please also see ticket: https://bugs.launchpad.net/ubuntu/+source/linux-
hwe/+bug/1818400
This bug report was created for Ubuntu 20.04.02 LTS, since the kernel
for the previous bug report is no longer being supported and a developer
requested us to make a new bug report for the new Ubuntu version...
Environment:
Windows Server 2019
Fresh Hyper-V generation 2 VM (configuration version 9.0)
SR-IOV enabled on the virtual switch (Intel I350-T2 physical network adapter)
SR-IOV enabled on the virtual network card of the VM
Steps to reproduce:
Install Ubuntu Server 20.04.2 LTS
Verify SR-IOV is enabled in the Networking tab of the Hyper-V manager
Check SR-IOV status in the Networking tab of the Hyper-V manager. It
will show status degraded (SR-IOV not operational)
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.8.0-1033-azure 5.8.0-1033.35~20.04.1
ProcVersionSignature: Ubuntu 5.8.0-1033.35~20.04.1-azure 5.8.18
Uname: Linux 5.8.0-1033-azure x86_64
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
CasperMD5CheckResult: pass
Date: Wed Jun 23 23:00:26 2021
InstallationDate: Installed on 2020-09-15 (281 days ago)
InstallationMedia: Ubuntu-Server 20.04.1 LTS "Focal Fossa" - Release amd64
(20200731)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-signed-azure-5.8
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-signed-azure-5.8 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal third-party-packages uec-images
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https://bugs.launchpad.net/bugs/1933388
Title:
SR-IOV broken in Ubuntu 20.04.2 LTS
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