smpboot reports a number of CPUs moved into offline state

This document (7022778) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Server 12 Service Pack 2 (SLES 12 SP2)
SUSE Linux Enterprise Server 12 Service Pack 3 (SLES 12 SP3)

Situation

A number of CPUs is reported to have moved into an offline state:

linux # grep offline /var/log/messages:
Jan 18 10:43:25 linux kernel: [  205.342999] smpboot: CPU 6 is now offline
Jan 18 10:43:25 linux kernel: [  205.423095] smpboot: CPU 18 is now offline
Jan 18 10:43:25 linux kernel: [  205.511023] smpboot: CPU 12 is now offline
Jan 18 10:43:25 linux kernel: [  205.607348] smpboot: CPU 1 is now offline
Jan 18 10:43:25 linux kernel: [  205.711503] smpboot: CPU 13 is now offline
Jan 18 10:43:25 linux kernel: [  205.783244] smpboot: CPU 2 is now offline
Jan 18 10:43:25 linux kernel: [  205.859773] smpboot: CPU 14 is now offline
Jan 18 10:43:25 linux kernel: [  205.951277] smpboot: CPU 3 is now offline
Jan 18 10:43:26 linux kernel: [  206.023907] smpboot: CPU 15 is now offline
Jan 18 10:43:26 linux kernel: [  206.099363] smpboot: CPU 4 is now offline
Jan 18 10:43:26 linux kernel: [  206.172205] smpboot: CPU 16 is now offline
Jan 18 10:43:26 linux kernel: [  206.483548] smpboot: CPU 7 is now offline
Jan 18 10:43:26 linux kernel: [  206.552224] smpboot: CPU 19 is now offline
Jan 18 10:43:26 linux kernel: [  206.627742] smpboot: CPU 5 is now offline
Jan 18 10:43:27 linux kernel: [  206.700662] smpboot: CPU 17 is now offline
Jan 18 10:43:27 linux kernel: [  207.404714] smpboot: CPU 8 is now offline
Jan 18 10:43:27 linux kernel: [  207.508496] smpboot: CPU 20 is now offline
Jan 18 10:43:28 linux kernel: [  207.932303] smpboot: CPU 9 is now offline
Re-enabling the CPU using chcpu -e <CPU> however is possible.

Resolution

Please update to systemd 228-150.35.1 or later, as advised in SUSE-RU-2018:0685-1.

Cause

Wrong usage of 80-acpi-container-hotplug.rules.

Additional Information

Changelog entry:

- Add dmi/id conditions to 80-acpi-container-hotplug.rules to restrict the rule that it can only be triggered on Huawei Kunlun 9008, 9016 and 9032 machines. (bsc#1078358, bsc#1081170, bsc#1075743)

Disclaimer

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:7022778
  • Creation Date: 26-Mar-2018
  • Modified Date:03-Mar-2020
    • SUSE Linux Enterprise Server

< Back to Support Search

For questions or concerns with the SUSE Knowledgebase please contact: tidfeedback@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