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SubjectRe: Machine check 2.6.13.3 dual opteron
With the Opteron Bank 4 value you gave, this decodes to:


Decoding MCE value as MCi_STATUS: 'b200000000070f0f'
Bit 63: Valid error
Bit 61: UNCORRECTED error
Bit 60: MCA Error Reporting Enabled
Bit 57: Process Context Corrupt
HyperTransport Link Number= 0
Extended Error Code = 0x7 - WatchDog error

BUS Error:
Processor(generic)
TimeOut(timed out)
Memory Transaction Type(generic)
Mem or IO(generic)
Cache Level(generic)

You had an Uncorrectable Error.
Since you did not post an address error, I assume that it did NOT report such. Therefore, because
of the WatchDog error, there might be an error between the CPU and memory. There is a hardware
problem definitely.

CPU-Mem Controller
Even bad memory DIMM

doug thompson


--- Andy Stewart <andystewart@comcast.net> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
>
> Hi everybody,
>
> My machine locked up on me and I found this message on my serial
> console. I have no idea how to decode its meaning - can you help?
>
> CPU 0: Machine Check Exception: 4
> Bank 4: b200000000070f0f
> TSC 39619ee1e2187
> Kernel panic - not syncing: Machine check
>
> My machine is a dual Opteron running the 2.6.13.3 kernel. I'm not
> positive, but I think I can reproduce it. Assuming that I can, what
> information would be helpful to debug the problem?
>
> Please cc: me on the response as I am not subscribed to this mailing list.
>
> Thanks!
>
> Andy
> - --
> Andy Stewart, Founder
> Worcester Linux Users' Group
> Worcester, MA, USA
> http://www.wlug.org
>
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> Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org
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> Zxq/FKaldR1hzyrJqiJ+sMg=
> =gdcL
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