RHEL AS 4-U3 – Performance Issue with Large Memory Configuration on X8440 Server Module

X8440 Server Module with 64-Gbyte or greater memory configuration is experiencing performance issues. (CR 6580544, CR 6580044, CR 6406979)

Workaround

Update RHEL AS 4-U3 to RHEL AS 4-U4.

OR

Enter AMI BIOS and disable the memory hole option by performing these steps:

  1. Press F4 to enter Expert mode.

  2. Disable the Memory Hole Remapping option:

    • =>Chipset =>Northbridge =>Memory Configuration => Memory Hole Remapping = Disabled.

  3. Press F10 to save changes.