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Tainted kernel with SLES9 SP3

This document (3385872) is provided subject to the disclaimer at the end of this document.

Environment

Novell SUSE Linux Enterprise Server 9 Service Pack 3
Linux kernel version 2.6.5-7.244 or 2.6.5-7.252
Hardware includes a Trusted Platform Module (TPM) chipset

Situation

tpm modules are loaded during system startup, resulting in
ERROR: "tpm: module not supported by Novell, setting U taint flag"
(in dmesg output or in /var/log/messages) and the kernel is marked as tainted.

Resolution

Upgrade to kernel 2.6.5-7.257 or newer.

Workaround


If updating the kernel is not an option, this problem can be worked around by configuring the system not to load these modules automatically. Append
tpm
tpm_nsc
tpm_atmel
to the file/etc/hotplug/blacklist and reboot the system.

Additional Information

The tpm modules are loaded by the hotplug system if corresponding hardware is found. In the affected kernel versions, these modules are not marked as being supported by Novell. Consequently, the kernel gets tainted with the U flag which shows the "Unsupported" status of the loaded module. In newer kernel versions, these modules are properly marked as being supported by Novell.

For additional information about the kernel's taint mechanism, refer to TID 3582750 - Tainted Kernel.

Formerly known as TID# 10100772

Disclaimer

This Support Knowledgebase provides a valuable tool for NetIQ/Novell/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:3385872
  • Creation Date:31-JAN-08
  • Modified Date:27-APR-12
    • SUSESUSE Linux Enterprise Server

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