Unable to use Multicast with CDC_NCM driver

[Kevin Sarn]

I am not able to send multicast in the 5.4.0-39 kernel. It appears that this was previously triaged in 2018 but a comment in that same bug report indicates that it could not be compiled for 5.x kernel

The previous bug/patch can be found here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1779173

  *-network:1
       description: Ethernet interface
       physical id: 3
       bus info: usb@4:1.1
       logical name: enx9cebe852a8b8
       serial: 9c:eb:e8:52:a8:b8
       capabilities: ethernet physical
       configuration: broadcast=yes driver=cdc_ncm driverversion=22-Aug-2005 firmware=CDC NCM link=no multicast=yes

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-39-generic 5.4.0-39.43
ProcVersionSignature: Ubuntu 5.4.0-39.43-generic 5.4.41
Uname: Linux 5.4.0-39-generic x86_64
NonfreeKernelModules: compat nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.3
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Wed Jul 1 09:33:54 2020
DistributionChannelDescriptor:
 # This is the distribution channel descriptor for the OEM CDs
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-bionic-amd64-20180608-47+whitehaven-mlk+X77
InstallationDate: Installed on 2019-10-20 (255 days ago)
InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20180608-09:38
MachineType: Dell Inc. Precision 7540
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-39-generic root=UUID=951a5400-1917-41ec-b8b4-015449beb37a ro mem_sleep_default=deep amdgpu.runpm=0 quiet splash usbcore.autosuspend=-1 nvidia.modset=1 nvidia-drm.modset=1 vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-5.4.0-39-generic N/A
 linux-backports-modules-5.4.0-39-generic N/A
 linux-firmware 1.187.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/07/2020
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.7.0
dmi.board.name: 0499T7
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.7.0:bd01/07/2020:svnDellInc.:pnPrecision7540:pvr:rvnDellInc.:rn0499T7:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: Precision
dmi.product.name: Precision 7540
dmi.product.sku: 0926
dmi.sys.vendor: Dell Inc.

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

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