Windows Server 2008 R2 Generates System Event Log Warning When Power Is Limited By Oracle Ilom Power Management - Oracle Sun Fire X4170 M2 Product Notes

Known Issues
None.
CPU power-state cannot be capped on host reboots if hard
cap is enabled
Bug ID 15634048
The CPU power-state is not capped after a host reboot even if hard cap is enabled. This is
because Oracle ILOM Power Management limits might not be honored upon boot in Oracle
Linux 5.5 or in Red Hat Enterprise Linux (RHEL) 5.5.
Affected hardware and software:
Sun Fire X4170 M2 Server
■
Sun Fire X4270 M2 Server
■
Oracle Linux 5.5
■
Red Hat Enterprise Linux (RHEL) 5.5
■
Releases 1.0 through 1.10.1
■
Workaround:
Using Oracle ILOM, disable then re-enable Power Limiting using the following steps:
1. Select the Power Management tab.
2. Select the Limit tab.
3. Next to the Power Limiting option, uncheck Enabled.
4. Click Save.
5. Next to the Power Limiting option, check Enabled.
6. Click Save.
Windows Server 2008 R2 generates system event log warning
when power is limited by Oracle ILOM power management
Bug ID 15587516
When power is being limited by the Oracle ILOM Power Management feature, the Windows
Server 2008 R2 operating system will generate warning messages in the System Event Log
informing you that the processor(s) are being restricted.
Example Event: The Speed of Processor xx in group x is being limited by system firmware. The
processor has been in this reduced performance state for xxxx seconds since last report.
42 Sun Fire X4170 M2 and X4270 M2 Servers Product Notes • July 2018