CPU getting stuck in flush_tlb_others_ipi

This document (7009849) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Server 11 Service Pack 1

Situation

Customer description "CPU's will go to the max and the server will become unresponsive"

We used an NMI to force a kernel core.
On the stuck thread you would see "flush_tlb_others_ipi" near the top of the stack.

Resolution

This is fixed in SLES 11 SP2.

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:7009849
  • Creation Date: 05-Dec-2011
  • Modified Date:03-Mar-2020
    • SUSE Linux Enterprise Server

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