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SubjectRe: Machine Check Exception on Opteron 265
Espen Fjellvær Olsen wrote:
> Hi!
> Today our Opteron 265, 2x2, paniced after many months uptime, giving
> only this error message:
>
> HARDWARE ERROR
> CPU 2: Machine Check Exception: 4 Bank 4: b60a200100000813
> TSC 6bb9fd0142921a ADDR a891e9b8
> This is not a software problem!
>
> mcelog --ascii gives this on the above error:
>
> HARDWARE ERROR
> CPU 2 4 northbridge TSC 6bb9fd0142921a
> Northbridge ECC error
> ECC syndrome = 14
> bit32 = err cpu0
> bit45 = uncorrected ecc error
> bit57 = processor context corrupt
> bit61 = error uncorrected
> bus error 'local node origin, request didn't time out
> generic read mem transaction
> memory access, level generic'
> STATUS b60a200100000813 MCGSTATUS 4
> This is not a software problem!
>
>
> As far as we know there wasnt any unuasal activity on the server at the
> time.
> We updated glibc yesterday, but that shouldnt really cause such a problem.
> So now we wonder if this might be an MCE bug, or really a HW problem,
> and if it is one of the CPUs, or the RAM thats faulty.
> We are running 2.6.18.

Sounds like some bad RAM..

--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/

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