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single bit memory error

 
mondal
Occasional Contributor

single bit memory error

DIMM Slot Size (MB)
--------- ---------
0A 2048
0B 2048
0C 2048
0D 2048
1A 2048
1B 2048
1C 2048
1D 2048
--------- ---------
System Total (MB): 16384

Memory Error Log Summary

Error
Board Error Address Error Type Page Count
------------- ----------------- ---------- --------- -----
1a 0x00000000aac53680 Single-Bit 0x00aac53 1
0b 0x0000000039f3e880 Single-Bit 0x0039f3e 1391

System start: Fri Jul 17 19:49:30 2009.
Last error check: Mon Sep 20 12:07:24 2010.
Logging interval: 3600 seconds.
2 address(es) with errors logged by memory logging daemon.

The Logtool Utility provides full details about the memory error log.

Page Deallocation Table (PDT)

Slot/Set Error Address Error Type Page
---------------- --------------- ---------- ---------
0a/0b/0c/0d 0x0000000039f3e885 Single-Bit 0x0039f3e

PDT Entries Used: 1
PDT Entries Free: 2999
PDT Total Size: 3000
-- Information Tool Log for MEMORY on path 8 --
View - To View the file.
Print - To Print the file.
SaveAs - To Save the file.
Enter Done, Help, Print, SaveAs, or View: [Done] #.
prmprd1:/var/opt/resmon/log #
7 REPLIES
melvyn burnard
Honored Contributor

Re: single bit memory error

And your question is...........??
My house is the bank's, my money the wife's, But my opinions belong to me, not HP!
SUDHAKAR_18
Trusted Contributor

Re: single bit memory error

Memory modules at slot 1A and 0B reported
Single bit memory errors.

Log a case with HP and replace the memory modules.

Please check for errors on event log file.
/var/opt/resmon/log/event.log
Torsten.
Acclaimed Contributor

Re: single bit memory error

A single SBE is no reason to worry about - this may happen and will be corrected.

If in doubt reboot the system to allow checking of pages that are currently in use and watch if you get more errors reported.

Hope this helps!
Regards
Torsten.

__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.

__________________________________________________
No support by private messages. Please ask the forum!

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Re: single bit memory error

What kind of server to you have?
Viktor Balogh
Honored Contributor

Re: single bit memory error

Board Error Address Error Type Page Count
------------- ----------------- ---------- --------- -----
1a 0x00000000aac53680 Single-Bit 0x00aac53 1
0b 0x0000000039f3e880 Single-Bit 0x0039f3e 1391

> A single SBE is no reason to worry about - this may happen and will be corrected.

I would say, if there are "not so much" SBEs detected on a DIMM, you can ignore it. This "not so much" can be a value between 1-50 or so.

As you see the 0B module encountered 1391 errors, in this case I would log an HP Case just to be sure.
****
Unix operates with beer.
Torsten.
Acclaimed Contributor

Re: single bit memory error

Reboot and watch if the error count is still increasing. A single error may be reported many times if the area is in use.

Hope this helps!
Regards
Torsten.

__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.

__________________________________________________
No support by private messages. Please ask the forum!

If you feel this was helpful please click the KUDOS! thumb below!   
nimishsingh
Occasional Contributor

Re: single bit memory error

Could you let me know if you have any idea as to what could be the problem ?

Would changing the DIMMS help ok this case ?