** Attachment added: "syslog-kernel.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1999229/+attachment/5635244/+files/syslog-kernel.txt

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https://bugs.launchpad.net/bugs/1999229

Title:
  mlx5 VF LAG flapping

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  # sudo lsb_release -a
  No LSB modules are available.
  Distributor ID:       Ubuntu
  Description:  Ubuntu 22.04.1 LTS
  Release:      22.04
  Codename:     jammy

  # mlxfwmanager 
  Querying Mellanox devices firmware ...

  Device #1:
  ----------

    Device Type:      ConnectX6DX
    Part Number:      MCX623106AN-CDA_Ax
    Description:      ConnectX-6 Dx EN adapter card; 100GbE; Dual-port QSFP56; 
PCIe 4.0/3.0 x16;
    PSID:             MT_0000000359
    PCI Device Name:  0000:41:00.0
    Base GUID:        08c0eb03006fb26e
    Base MAC:         08c0eb6fb26e
    Versions:         Current        Available     
       FW             22.34.4000     N/A           
       PXE            3.6.0700       N/A           
       UEFI           14.27.0015     N/A           

  # uname -a
  Linux ps6-ra1-n2 5.19.0-24-generic #25~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Fri 
Nov 18 14:28:08 UTC 2 x86_64 x86_64 x86_64 GNU/Linux

  Kernel from linux-generic-hwe-22.04-edge package in jammy-proposed,
  see https://wiki.ubuntu.com/Testing/EnableProposed for documentation
  how to enable and use -proposed.

  Problem:
  Severe packet loss to high speed NIC due to what appears as VF LAG flapping:
  [Fri Dec  9 07:27:19 2022] mlx5_core 0000:41:00.0: mlx5_cmd_out_err:778:(pid 
3383): SET_FLOW_TABLE_ENTRY(0x936) op_mod(0x0) failed, status bad 
resource(0x5), syndrome (0xf2ff71), err(-22)
  [Fri Dec  9 07:27:19 2022] mlx5_core 0000:41:00.0: E-Switch: Failed to create 
termination table rule, err -EINVAL
  [Fri Dec  9 07:27:19 2022] mlx5_core 0000:41:00.0: E-Switch: Failed to get 
termination table, err -EINVAL
  [Fri Dec  9 07:27:19 2022] mlx5_core 0000:41:00.1: mlx5_cmd_out_err:778:(pid 
3383): SET_FLOW_TABLE_ENTRY(0x936) op_mod(0x0) failed, status bad 
resource(0x5), syndrome (0xf2ff71), err(-22)
  [Fri Dec  9 07:27:19 2022] mlx5_core 0000:41:00.1: E-Switch: Failed to create 
termination table rule, err -EINVAL
  [Fri Dec  9 07:27:19 2022] mlx5_core 0000:41:00.1: E-Switch: Failed to get 
termination table, err -EINVAL
  [Fri Dec  9 07:27:20 2022] mlx5_core 0000:41:00.0: lag map active ports: 1, 2
  [Fri Dec  9 07:27:20 2022] mlx5_core 0000:41:00.0: lag map active ports: 2
  [Fri Dec  9 07:27:20 2022] mlx5_core 0000:41:00.0: lag map active ports: 1, 2
  [Fri Dec  9 07:27:21 2022] mlx5_core 0000:41:00.0: lag map active ports: 2
  [Fri Dec  9 07:27:21 2022] mlx5_core 0000:41:00.0: lag map active ports: 1, 2
  [Fri Dec  9 07:27:22 2022] mlx5_core 0000:41:00.0: lag map active ports: 2
  [Fri Dec  9 07:27:23 2022] mlx5_core 0000:41:00.0: lag map active ports: 1, 2
  [Fri Dec  9 07:27:23 2022] mlx5_core 0000:41:00.0: lag map active ports: 2

  This does not happen when using the Jammy 5.15 kernel, everything else
  in the environment being equal.

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