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Potential customer seeing a kernel panic when they bring an Intel Omnipath communication fabric into the mix using kernel-rt-3.10.0-693.2.1.rt56.620.el7.   RHEL+RT good.  RHEL+Omni-Path good.  RHEL+RT+Omni-Path bad.  

Clark reproduced the problem internally.  He grabbed the test kernel built for a hfi1 issue in bz#1383737 and it is booting successfully. Doing additional testing to verify Omnipath functionality.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2018:0676