 | | | 2.6.9-55.ELsmp EDAC Errors | 2.6.9-55.ELsmp EDAC Errors 2007-07-30 - By Mike Hanby
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Thanks for the info on the firmware. I'll have to check with our vendor.
I'll tell you what, the constant string of EDAC errors in the log file
will bring the system down a heck of a lot faster than an actual ECC
problem when the partition fills up :-)
-- --Original Message-- --
From: redhat-list-bounces@(protected)
[mailto:redhat-list-bounces@(protected)] On Behalf Of Troy Knabe
Sent: Wednesday, July 25, 2007 14:17
To: General Red Hat Linux discussion list
Subject: Re: 2.6.9-55.ELsmp EDAC Errors
I got these on Sun x4100's with Opteron 280 and 285 procs. I did not
get them with 4.4 (42 version of the kernel), but did with 4.5 (55
version of the kernel). I found that Sun had a firmware patch that was
required to work with the new 4.5 version of Red Hat. You might check
with your hardware vendor. After applying the patch, I have received no
more of the errors, and they were happening constantly before the
firmware upgrade.
Hope this helps.
-Troy
Mike Hanby wrote:
> Howdy,
>
>
>
> I just installed RedHat 4.5 on 64 identical nodes (Dual AMD Opteron
242
> with 2GB ECC RAM).
>
>
>
> 4 of the nodes are logging errors similar to:
>
>
>
> Jul 25 11:07:30 node1.local kernel: EDAC k8 MC0: extended error code:
> ECC chipkill x4 error
>
> Jul 25 11:07:30 node1.local sshd[3027]: error: Bind to port 22 on
> 0.0.0.0 failed: Address already in use.
>
> Jul 25 11:07:31 node1.local kernel: EDAC k8 MC0: general bus error:
> participating processor(local node response), time-out(no timeout)
> memory transaction type(generic read), mem or i/o(mem access), cache
> level(generic)
>
> Jul 25 11:07:31 node1.local kernel: EDAC k8 MC0: extended error code:
> ECC chipkill x4 error
>
> Jul 25 11:07:32 node1.local kernel: EDAC k8 MC0: general bus error:
> participating processor(local node response), time-out(no timeout)
> memory transaction type(generic read), mem or i/o(mem access), cache
> level(generic)
>
>
>
> I previously had RedHat 4.0 installed on these nodes and didn't see
any
> EDAC errors.
>
>
>
> I've run memtest86 on the 4 nodes (100 passes) and each of them passed
> without error.
>
>
>
> Does anyone know if it is possible to disable the EDAC checking and
> error reporting? Primarily because, these errors are logged every
> second and in a short time fill up the /var partition.
>
>
>
> Thanks for any info,
>
>
>
> Mike
>
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