kABI breakage causing driver load failures (error -22)

This document (000021137) is provided subject to the disclaimer at the end of this document.


SUSE Linux Enterprise Server 15 Service Pack 4


Drivers fail to load. Errors similar to one of the following examples may be observed:


          [   22.284818] PM: Image not found (code -22)
          [   42.196496][  T647] mlx5_core 0000:27:00.0: probe_one:2139:(pid 647): mlx5_init_one failed with error code -22
          [   42.231501][ T1656] mlx5_core: probe of 0000:27:00.0 failed with error -22


          [  184.993975][ T1401] bnxt_en 0000:86:00.0 (unnamed net_device) (uninitialized): devlink_params_register failed. rc=-22
          [  185.256768][ T1674] bnxt_en: probe of 0000:86:00.0 failed with error -22



The kABI issue has been corrected in the released kernel version 5.14.21-150400.24.66.1 (June 2023)

Information appearing in kernel changelog:
    * Tue May 16 2023 tbogendoerfer@suse.de
    - Refresh
    - Delete
      Fixed broken kABI (bsc#1208050 bsc#1211414).
    - commit 118de8c


kABI issue was introduced in kernel 5.14.21-150400.24.11.1 (after initial GA kernel release) by the following backported patch:
   * Tue Jun 14 2022 tbogendoerfer@suse.de
   - net/ice: Remove unused enum (bsc#1200502).
   - net/ice: Fix boolean assignment (bsc#1200502).
   - net/ice: Add support for enable_iwarp and enable_roce devlink
     param (bsc#1200502).
   - devlink: Add 'enable_iwarp' generic device param (bsc#1200502).
   - commit 220523b

Additional Information

All kernels from 5.14.21-150400.24.11.1 (July 2022)  to 5.14.21-150400.24.63.1 (May 2023) (inclusive) are affected.

The faulty backport broke the kABI in such a way that drivers built against the SLES15 SP4 GA kernel release and then used in conjunction with one of the kernel versions containing the faulty backport, may return -EINVAL ("Invalid Argument") from devlink_params_register() or devlink_param_verify() resulting in the adapters being non-operational.

The GA released kernel is not affected: 5.14.21-150400.22



This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:000021137
  • Creation Date: 08-Aug-2023
  • Modified Date:08-Aug-2023
    • SUSE Linux Enterprise Server

< Back to Support Search

For questions or concerns with the SUSE Knowledgebase please contact: tidfeedback[at]suse.com

SUSE Support Forums

Get your questions answered by experienced Sys Ops or interact with other SUSE community experts.

Join Our Community

Support Resources

Learn how to get the most from the technical support you receive with your SUSE Subscription, Premium Support, Academic Program, or Partner Program.

SUSE Customer Support Quick Reference Guide SUSE Technical Support Handbook Update Advisories
Support FAQ

Open an Incident

Open an incident with SUSE Technical Support, manage your subscriptions, download patches, or manage user access.

Go to Customer Center