[c-nsp] Sup720 Errors - Revisited

[Ibrahim Abo Zaid]

Hi Paul

I think it is a phsyical problem with this chases , may be due to the
position or electrical conditions causes some sort of biasing for memory
ASIC and leads to this reload loop

you can start check chaises postition , electrical isolation , grounding and
supply and tenperature

and if it didn't work , might be persistent problem with backplane


best regards
--Ibrahim

On Sat, May 9, 2009 at 9:51 PM, Paul Stewart <paul at paulstewart.org> wrote:

> Hi folks.
>
>
>
> I posted about this before and was told it was either bad memory or bad sup
> cards.. Have a pair of 7606's with sup720-3bxl . these errors occur on one
> system and not the other.  To top it off, we got these same errors showing
> up a couple of times now on 6509 with sup2/msfc2 recently..
>
>
>
> May  9 07:16:21: %SYSTEM_CONTROLLER-SP-STDBY-3-ERROR: Error condition
> detected: TM_DATA_PARITY_ERROR
>
> May  9 07:16:21: %SYSTEM_CONTROLLER-SP-STDBY-3-EXCESSIVE_RESET: System
> Controller is getting reset so frequently
>
>
>
> Both 7606 chassis are running 12.2(33)SRA7 and this also occurred when they
> were running SXF train.   We have many 6500's and only one of them so far
> has exhibited the same errors and it is running 12.2(18)SXF16
>
>
>
> Just looking for thoughts. we swapped spare supervisors between the 7600
> showing issues and the one that doesn't log any errors, kicked it over and
> still see these issues.. Bad chassis??
>
>
>
> Are these errors critical in nature or more just informative?
>
>
>
> Thanks for your time,
>
>
>
> Paul
>
>
>
>
>
>
>
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