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HW Knowledge

Intel Xeon CPU/Machine Check Errors Message 발생

by 스쳐가는인연 2013. 1. 28.

특정 인텔 CPU(Intel Xeon E7 Series)를 사용하는 장비(HP, IBM, Dell 동일)에서 간혹,
Windows OS에서 Event ID 47; Linux OS에서 MCE(about Corrected Memory Error)가 발생할 수 있다.

 

각 제조사 마다 FW Update로 해결해 가고 있으나,
계속 메시지가 나타난다면 전원 관리 옵션을 변경하면 메시지 발생을 막을 수 있다.

 

< Windows Event log >

 

Log Name: System
Source: Microsoft-Windows-WHEA-Logger
Date: 3/2/2011 9:30:02 AM
Event ID: 47
Task Category: None
Level: Warning
Keywords:
User: LOCAL SERVICE
Computer: %%
Description:
A corrected hardware error has occurred.
Component: Memory
Error Source: Corrected Machine Check
The details view of this entry contains further information.

 

< Linux MCE log >

 

MCE log
CPU 20 BANK 8

TIME 1358494211 Fri Jan 18 16:30:11 2013
MCG status:
MCi status:
Corrected error
Error enabled
MCA: MEMORY CONTROLLER GEN_CHANNELunspecified_ERR
Transaction: Generic undefined request
STATUS 900000400012008f MCGSTATUS 0
MCGCAP 1000c18 APICID 80 SOCKETID 2
CPUID Vendor Intel Family 6 Model 47
Hardware event. This is not a software error.

 

To resolve the issue, complete the following procedure:

 

Following is a sample of the BIOS of a Dell Server with the C-States option enabled:

 

 

1. In the BIOS menu, set the value for the C-states option to Disabled.
2. In the BIOS menu, set the value for the Turbo Mode option to Disabled.
3. If the server BIOS has power management options that leave power management to the BIOS rather than the operating system, such as Active Power Controller mode of Dell, then disable this option and set the power management options to OS Control.

 

Following is a sample of the BIOS of a HP Server with the C-States option enabled:

 

•To disable C-states, here are steps to perform in the RBSU during POST:
◦Press F9 during POST to access the RBSU.
◦Select Power Management Option , then select HP Power Profile change the default value to Maximum Performance .
◦Then return to the previous menu.
◦Select HP Power Regulator change from the default value to HP Static High Performance Mode .
◦Then go back to the previous menu.
◦Select Minimum Processor Idle Power State change from the default value to No C-states .
◦Select Advanced Power Management Options select Minimum Processor Idle Power Package State and change the setting from Package C3 State to No Package State .

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