System with sb_edac and skx_edac not booting after updating with RHEL7.6

Solution Verified - Updated -

Issue

  • System not booting after updating kernel to RHEL7.6 or kernel-3.10.0-957.xx.el7.
  • System fails to boot with following errors.
  EDAC MC0: Giving out device to module skx_edac controller Skylake Socket#0 IMC#0
  EDAC MC1: Giving out device to module skx_edac controller Skylake Socket#0 IMC#1
  EDAC MC2: Giving out device to module skx_edac controller Skylake Socket#1 IMC#0
  ...
  EDAC MC13: Giving out device to module skx_edac controller Skylake Socket#0 IMC#1
  EDAC MC14: Giving out device to module skx_edac controller Skylake Socket#1 IMC#0
  EDAC MC15: Giving out device to module skx_edac controller Skylake Socket#1 IMC#1
  Too many memory controllers: 16
  EDAC MC: Removed device 0 for skx_edac Skylake Socket#0 IMC#0

Environment

  • Red Hat Enterprise Linux 7.6
  • HP Superdome

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