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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:

apport-collect 1849856

and then change the status of the bug to 'Confirmed'.

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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

** Tags added: disco

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https://bugs.launchpad.net/bugs/1849856

Title:
  ip commands error with mellanox devices in switchdev mode

Status in iproute2 package in Ubuntu:
  New
Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Kernel: using 5.0.0-23-generic from hwe-edge

  Configuring a mellanox connectx device with configured VF's into
  switchdev (rather than legacy) mode result in the ip cli tool erroring
  when trying to query the interface state:

  $ sudo ip link
  Error: Buffer too small for object.
  Dump terminated

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: iproute2 4.15.0-2ubuntu1
  ProcVersionSignature: Ubuntu 5.0.0-23.24~18.04.1-generic 5.0.15
  Uname: Linux 5.0.0-23-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.7
  Architecture: amd64
  Date: Fri Oct 25 14:55:36 2019
  ProcEnviron:
   TERM=screen-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: iproute2
  UpgradeStatus: No upgrade log present (probably fresh install)

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