comments inline..

sukumar
 

-----Original Message-----
From: John Imison [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED]
Sent: Saturday, October 13, 2007 7:43 AM
To: Sukumar Subburayan (sukumars); 'John I'; 'Kevin Graham';
[email protected]
Subject: RE: [c-nsp] C6500 C6KERRDETECT-SP-2-FIFOCRITLEVEL

Hi sukumar,

Thanks for your reply.

> There is actually no need to swap chassis. 
> 
> This error message indicates that the SP-CPU inband port (the internal

> 1 Gig connection) FIFO pointers were not moving for certain amount of 
> time possibly indicating something wrong between the CPU and it's 
> inband connection. All this is internal to the Supervisor.
> 

I've only started receiving this message after upgrading the supervisor
memory on the module, otherwise, it has been fine for months.

Could I have not reseated the MSFC properly onto the SUP?  Could it be
the memory?  Could I have bumped something else?

##sukumars

possible, as you are saying that this started happening only after
upgrading memory.

Are there any commands I can execute to see these fifo pointers you
mention?

##sukumars

there are some asic register commands on the SP-side for the ASIC
(pinnacle), you can look at. But since these are debug type commands, I
would not recommend using them without TAC help.

> If the errors are persistant, the active sup might eventually reset or

> switchover (in case there is standby). As part of the upgrade process,

> the transient condition probably got cleared.
> 

The errors have been going for a while now, however, the unit continues
to
switch/route packets without problem.

What would you recommend I do?

##sukumars

For Fifo stuck, we do try auto-recovering by soft resetting the internal
ASIC path. So, if you are not really seeing any problems, I would
suggest you don't have to do anything. If the errors are happening very
very frequently, then I would suggest the below steps.

(I will be trying what's been recommended already such as reseat module
&
upgrade IOS)

Thanks,
John
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