This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1999229
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
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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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