In UEFI BIOS mode, when running the Oracle Linux 6.x or 7.x as the host operating system with the UEK4 or higher kernel on a Sun Fire X3-2L Server, the CPU capping function might fail.
Affected software and operating systems:
Sun Fire X3-2L Server
Oracle Linux 6.x and 7.x
Workaround:Disable the Intel pstate driver by adding the following kernel parameter to the UEK /boot/efi/EFI/redhat/grub.cfg kernel line: intel_pstate=disable