[j-nsp] Flapping GE Module causing FEB to reboot

[Joerg Staedele / Trusted Network]

Pekka Savola wrote:
> On Tue, 4 Apr 2006, Joerg Staedele / Trusted Network wrote:
>>> Most old, non-QPP fixed-optic GE cards have firmware which may result in
>>> this behaviour.  The card firmware can be updated by JTAC only. This is
>>> PR29528.
>>
>> The PR29528 is JunOS, not firmware related and we're already running
>> 7.4R2.6
> 
> The bug description is probably not accurate.. it's talking about M160
> and M40e as well, but it's present on the others as well.
> 
>> I have two coredumps in /var/crash .. but i dont know how to "read" or
>> debug them.
> 
> I don't recall anymore whether you can debug these (as they come from
> FPCs, so I'm not sure if the executable is there to get the debug
> symbols) by running gdb on the router.. you can try.  In any case, you
> can just open a JTAC case and they'll analyze it for you.
> 

I think i already found my problem. I did some testing and diagnostics
and found out that the SRAM on the FEB is corrupt :(

At least the diagnostic-commands on the FEB say that. (I get
disconnected from the FEB when running the test after it showed me some
"Invalid SRAM" messages)

:(

Regards,

 Joerg