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VMotion between Rev E and Rev F AMD CPUs fails (3700586)

Details

This article explains why VMotion between Rev E and Rev F AMD CPUs may fail.

Solution

You cannot perform VMotion operations between AMD Rev E and Rev F CPUs for 64bit guest operating systems.

To perform a VMotion operation between AMD Rev E and Rev F CPUs for 32bit guest operating systems, you must use a CPUID mask to disable RDTSCP. For more information, see:

VMotion CPU Compatibility Requirements for Intel Processors (1991)
VMotion CPU Compatibility Requirements for AMD Processors (1992)
VMotion CPU Compatibility - Migrations Prevented Due to CPU Mismatch - How to Override Masks (1993)

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