[c-nsp] VIP with no PAs

[Pete Templin]

John Neiberger wrote:
> I'm having yet another recurrence of strange VIP problems in our 7513.
> This VIP seems to fail every 3-6 months with cache memory parity errors.
> This time it only last two months before it started crashing. Anyway, I
> opened up another case with TAC and the engineer suggested that I pull
> the VIP, remove the port adapters, and reinsert the VIP and then monitor
> it for a while. I've always been under the impression that you weren't
> supposed to insert a VIP that had no PAs installed.

Me too.  I would plan for a crash.

> I'm giving him the benefit of the doubt but this still worries me a
> bit. Does that sound like good or bad advice?
> 
> [As a side note, after analyzing the crash files, he really has no idea
> what's causing the thing to crash. He also wants me to replace our RSP
> to see if that stabilizes the VIP, so I'll be coming in again in the wee
> hours tomorrow morning to take care of that.]

What model VIP, with what PAs?  What other VIPs/PAs are in the box? 
What RSP, what IOS?

pt