"fixing" memory error

[Fred Skrotzki]

You didn't say which system it is.  But you might be able to use the following if it has a BMC and you installed openipmi and you'll get all the information you want. Or even from another system with openipmi installed over the lan (see the manpage for the options).

Ipmitool sel list 
This will dump the bmc log and give you date and time stamps for when things occurred.

To get more information on a specific event do
Ipmi sel list -v 
and look for the event number.  With this output you can decode the bank and slot numbers from the event data.

If the system has a line at the end of several repeating errors like this
"Event Logging Disabled #0x06 | Correctable memory error logging disabled | Asserted"
then you'll not see more messages for more if it is still happening.  To clear the flags do
Ipmitool bmc reset cold
This re-powers the BMC interface only and will clear the blinking orange light until the error occurs again.

-----Original Message-----
From: linux-poweredge-bounces at dell.com [mailto:linux-poweredge-bounces at dell.com] On Behalf Of Tino Schwarze
Sent: Sunday, September 16, 2007 11:22 AM
To: linux-poweredge at dell.com
Subject: "fixing" memory error

Hi there,

we've got a machine here which hasn't seen OMSA for a long time. Three years ago, a multibit ECC fault was detected (we had a broken DIMM then). We replaced the DIMM and haven't had any problem since then.
Recently, the machine got a new OS and we installed OMSA on it. Now the error shows up:

xxxxxx:~ # omreport chassis memory
Memory Information

Health : Critical
[...]
Details of Memory Array 1
Index          : 0
Status         : Critical
Connector Name : DIMM A
Type           : DDR-SYNCHRONOUS
Size           : 1024  MB

How do we clear the error condition? Do we need to power down, swap the DIMM, power on for the BIOS to notice, power off, swap back? Or is there an easier way (couldn't find one with omconfig)?

Thanks,

Tino.

--
www.spiritualdesign-chemnitz.de
www.craniosacralzentrum.de

Tino Schwarze * Parkstraße 17h * 09120 Chemnitz

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