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smpboot reports a number of CPUs moved into offline state

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Environment

SUSE Linux Enterprise Server 12 SP3
SUSE Linux Enterprise Server 12 SP2

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:23-Feb-2021
    • SUSE Linux Enterprise Server

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