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Dell PowerEdge R6525 Installation and Service Manual

PDF

Known Issue

AMD ROME Erratum 1474

Issue:

  • A core may hang after about 1044 days due to failure of exiting CC6 after about 1044 days after the last system reset. The time of failure may vary depending on the spread spectrum and REFCLK frequency.

Workaround:

  • Option 1: Disable CC6 by writing 0x80808 to CSTATE_CONFIG (MSR 0xC001_0296) to all cores or by setting '0' for PcdAMDCStateMode before the projected time of failure.
  • Option 2: Reboot the system before the projected time of failure.

Fix planned:

  • No fix planned.

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