SLES11 SP4 boot message "Intel_idle: does not run on family 6 model 85".

This document (7022821) is provided subject to the disclaimer at the end of this document.


SUSE Linux Enterprise Server 11 Service Pack 4 (SLES 11 SP4)
HPE Proliant Gen10 systems


When booting SLES11SP4 on HPE ProLiant Gen10 systems containing Intel(TM) processors of Family 6 Model 85 (code name: Skylake), the following message will be observed :

  [    8.911416] intel_idle: does not run on family 6 model 85


The SLES11 SP4 operating system will continue and function as expected, but instead, the generic acpi_idle power management facility will be employed.

When complete support of the newest model of Intel processors is required, including the most advanced power management features, this problem is resolved in SUSE Linux Enterprise Server 12 which provides the necessary support for these advanced capabilities.


The message is referring specifically to the advanced power management capabilities of this processor model, which are not available in SUSE Linux Enterprise Server 11.

Additional Information


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:7022821
  • Creation Date: 06-Apr-2018
  • Modified Date:03-Mar-2020
    • SUSE Linux Enterprise Server

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