[c-nsp] Sup720 hang while writing SP crashinfo?

[Eninja]

There are multiple causes of crashes and several causes of system  
'hang' (high CPU, memory depletion, etc) and both should be  
investigated independently.

Do you have any syslogs from a few minutes before the crash? If yes  
send over along with RP crashinfo, whatever was captured from SP and  
console logs.

-Eninja


On Aug 18, 2009, at 11:04 PM, Kevin Graham <kgraham at industrial-marshmallow.com 
 > wrote:

> We had a Sup720B (non-redundant, running modular SXI) crash, due to  
> what looks
> like was due to a CPU_MONITOR watchdog event. What was nasty though  
> was that
> rather than reload, it hung (dead and unresponsive console) and  
> required a
> power cycle.
>
> The RP crashinfo made it out fine, however SP crashinfo was  
> incomplete. Looking
> at that, its due to sup-bootflash running out of space (1 byte left  
> w/ an
> incomplete/inaccessible crashinfo).
>
> Unfounded speculation is that the "hung" state was due to system  
> pounding away
> trying to finish writing crashinfo to a full filesystem.
>
> Is that hypothesis at all reasonable, or is there something else  
> that should be
> explored?
>
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