[f-nsp] BI-4XG errors

[Chris Marlatt]

On 08/31/2010 12:42 PM, Chuck Ufarley wrote:
> Hey everybody--
> 
> I've got a 4XG card giving out errors on one port.
> 
> The pertinent information in the logs seems to be: LP4/TM3 has shutdown
> (ALARM:TM DRAM CRC: LP4/TM3  (Reg: 0xa50c, Value: 0x5) (shutdown)
> 
> I'm also seeing this in the show tech output:
> Slot 4/FAP3/Link 1 (N)-- SNM1/FE3/Link45 : down (FAP shutdown)
> Slot 4/FAP3/Link 3 (A)-- SNM2/FE3/Link45 : down (FAP shutdown)
> Slot 4/FAP3/Link 4 (A)-- SNM2/FE3/Link 5 : down (FAP shutdown)
> Slot 4/FAP3/Link 5 (B)-- SNM1/FE1/Link43 : down (FAP shutdown)
> Slot 4/FAP3/Link 7 (N)-- SNM2/FE1/Link43 : down (FAP shutdown)
> Slot 4/FAP3/Link 8 (N)-- SNM1/FE1/Link 3 : down (FAP shutdown)
> Slot 4/FAP3/Link 9 (N)-- SNM2/FE1/Link 3 : down (FAP shutdown)

This is definitely where you want to concentrate. This error says the
port has lost it's connectivity to the switch fabric.

The following output from a healthy 4XG module:

BI#show snm-links by-lp 8
Slot 8/FAP1/Link 1 (N)-- SNM1/FE3/Link58 : up
Slot 8/FAP1/Link 2 (N)-- SNM3/FE3/Link58 : up
Slot 8/FAP1/Link 3 (A)-- SNM2/FE3/Link58 : up
Slot 8/FAP1/Link 4 (A)-- SNM2/FE3/Link18 : up
Slot 8/FAP1/Link 5 (A)-- SNM3/FE1/Link58 : up
Slot 8/FAP1/Link 6 (N)-- SNM3/FE1/Link18 : up
Slot 8/FAP1/Link 7 (N)-- SNM2/FE1/Link58 : up
Slot 8/FAP1/Link 8 (N)-- SNM1/FE1/Link18 : up
Slot 8/FAP1/Link 9 (N)-- SNM2/FE1/Link18 : up

Slot 8/FAP2/Link 1 (N)-- SNM1/FE3/Link57 : up
Slot 8/FAP2/Link 2 (N)-- SNM3/FE3/Link57 : up
Slot 8/FAP2/Link 3 (A)-- SNM2/FE3/Link57 : up
Slot 8/FAP2/Link 4 (A)-- SNM2/FE3/Link17 : up
Slot 8/FAP2/Link 5 (A)-- SNM3/FE1/Link57 : up
Slot 8/FAP2/Link 6 (N)-- SNM3/FE1/Link17 : up
Slot 8/FAP2/Link 7 (N)-- SNM2/FE1/Link57 : up
Slot 8/FAP2/Link 8 (N)-- SNM1/FE1/Link17 : up
Slot 8/FAP2/Link 9 (N)-- SNM2/FE1/Link17 : up

Slot 8/FAP3/Link 1 (N)-- SNM1/FE3/Link33 : up
Slot 8/FAP3/Link 2 (N)-- SNM3/FE3/Link33 : up
Slot 8/FAP3/Link 3 (A)-- SNM2/FE3/Link33 : up
Slot 8/FAP3/Link 4 (A)-- SNM2/FE3/Link 9 : up
Slot 8/FAP3/Link 5 (A)-- SNM3/FE1/Link33 : up
Slot 8/FAP3/Link 6 (N)-- SNM3/FE1/Link 9 : up
Slot 8/FAP3/Link 7 (N)-- SNM2/FE1/Link33 : up
Slot 8/FAP3/Link 8 (N)-- SNM1/FE1/Link 9 : up
Slot 8/FAP3/Link 9 (N)-- SNM2/FE1/Link 9 : up

Slot 8/FAP4/Link 1 (N)-- SNM1/FE3/Link34 : up
Slot 8/FAP4/Link 2 (N)-- SNM3/FE3/Link34 : up
Slot 8/FAP4/Link 3 (A)-- SNM2/FE3/Link34 : up
Slot 8/FAP4/Link 4 (A)-- SNM2/FE3/Link10 : up
Slot 8/FAP4/Link 5 (A)-- SNM3/FE1/Link34 : up
Slot 8/FAP4/Link 6 (N)-- SNM3/FE1/Link10 : up
Slot 8/FAP4/Link 7 (N)-- SNM2/FE1/Link34 : up
Slot 8/FAP4/Link 8 (N)-- SNM1/FE1/Link10 : up
Slot 8/FAP4/Link 9 (N)-- SNM2/FE1/Link10 : up

BI#

BI#show module | i S8
S8: RX-BI-4XG 4-port 10GbE Module  CARD_STATE_UP    4   0012.f29c.cd00
BI#

As you can see it would appear as though each port asic has 9 links to
the switch fabric.

Perhaps cycling the module or SFM would resolve the issue.
Brocade/Foundry TAC may have a more graceful solution though.

Regards,

	Chris