Red Hat Enterprise Linux 6 fails to start in UEFI mode with trusted boot package installed - IBM Systems


RETAIN tip: H206401


Red Hat Enterprise Linux 6 fails to start in Unified Extensible Firmware Interface (UEFI) mode if a Trusted Boot (tboot) package is installed. This error message is recorded:

  Invalid magic number: 0 Error 13: Invalid or unsupported executable format
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Affected configurations

The system is configured with at least one of the following:

This tip is not system specific.

This tip is not option specific.

The system has the symptom described above.

Note: This does not imply that the network operating system will work under all combinations of hardware and software.

See the compatibility page for more information:


If the tboot package is needed, install Red Hat Enterprise Linux 6 in legacy Basic Input/Output System (BIOS) mode.

Additional information

Refer to the following Red Hat Knowledge Base article:

Applicable countries and regions


Document id:  MIGR-5091338
Last modified:  2013-10-24
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