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49696
July 23rd, 2009 19:00
Cache Hierarchy Error
Have a Studio 540 Intel Core 2 Quad Q8200 with Vista 64-bit running Service Pack 2. Event Viewer indicates WHEA-Logger Event ID 19, Corrected Machine Check every minute (see Event log fragment below). Error seems to be related to CPU Cache.
I have run Dell's MP Memory check v0463 located within the Diagnostics partition and all tests were successful.
While the error appears to be corrected, it is filling the Event Viewer log and consuming resources. Do I need a new CPU?
Thanks,
-- asterger
------------------------------------------------------------------------------
Log Name: System
Source: Microsoft-Windows-WHEA-Logger
Date: 7/23/2009 7:43:53 PM
Event ID: 19
Task Category: None
Level: Warning
Keywords:
User: LOCAL SERVICE
Computer: Alan-Desktop
Description:
A corrected hardware error occurred.
Error Source: Corrected Machine Check
Error Type: Cache Hierarchy Error
Processor ID Valid: Yes
Processor ID: 0x3
Bank Number: 4
Transaction Type: Instruction
Processor Participation: N/A
Request Type: Instruction Fetch
Memory/Io: N/A
Memory Hierarchy Level: Level 1
Timeout: N/A
Event Xml:
http://schemas.microsoft.com/win/2004/08/events/event">
19
0
3
0
0
0x8000000000000000
168443
System
Alan-Desktop
1
0x3
4
0x9000000000020151
0x0
0x0
9
0
256
5
256
1
256
1730
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pab49162
17 Posts
0
July 23rd, 2009 23:00
Not sure if this will help but I did found the following posting on technet http://social.technet.microsoft.com/Forums/en-US/itprovistasp/thread/5b4766a1-0ca1-4fb1-9db5-1921c5c5ac99 where someone else mentions getting the same error EXACTLY every 1 minute. Unfortunately, no one seemed to ever figure out the root case of the problem.
As far as the Dell memory test, do you know if that utility can test the internal processor cache? In looking at http://www.thegeekstuff.com/2008/06/how-to-diagnose-memory-hardware-issues-on-dell-servers, it looks like the Ddgui graphics based diagnostics will give the option to test the processor cache under the Custom Test Mode.
Finally, I did see something else (http://msdn.microsoft.com/en-us/library/dd435032.aspx) that talks about the meaning of the Memory Hierarchy Level. From this, it looks like Level 1 might refer to the L1 cache on the processor.
Good luck and I hope you figure out the problem.
pab49162
asterger
2 Posts
0
July 30th, 2009 18:00
Yes I read that thread at TechNet before posting here. I was hoping some Dell engineer would find an entry like this in his troubleshooting log and respond.
Yes I ran the Custom Test Mode discrete diagnostics on each CPU/cache. Diags ran without indicating errors.
Can shed a little more light: Started receiving Cache Hierarchy Errors immediately after Service Pack 2 upgrade. Another point, while the smallest reporting interval is 1-minute, if the machine is busy, write (and maybe check) to Event Viewer is not made. It appears 15-minutes is the longest span without a write to Event Viewer. Since the check or write is resource controled, there should be a why to turn it off. Discovered http://support.microsoft.com/?kbid=912310 which details "How to disable the corrected machine check on a Microsoft Windows Server 2003-based computer". Unfortunately the registry edit given has no effect on Vista Service Pack 2.
-- asterger