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1800A : [1800A] A mismatch has been detected between the speed at which a QPI link has trained between two or more processor package

[1800A] A mismatch has been detected between the speed at which a QPI link has trained between two or more processor package

Processors have mismatched Bus Speed

Severity​

Info

User Response​

Complete the following steps:

  1. Verify that the processor is a valid option that is listed as a Server Proven device for this system. If not, remove the Processor and install one listed on the Server Proven website.
  2. Verify that matching processors are installed in the correct processor socket Correct any mismatch found.
  3. Check the IBM support site for an applicable service bulletin or firmware update that applies to this processor error.
  4. Replace the processor. Inspect the processor socket and replace the system board first if the socket is damaged.