no pcb means "no process control block" ie, there is no current process.

trap type f probably means an "F-line" trap, opcodes whose high order
nibble is 0xf.  I'm pretty sure these are all floating point operations.

So, it sounds like the kernel got a floating point trap.

On Tue, 8 May 2001 nigel@ind.tansu.com.au wrote:

> 
> 	Hi all.
> 
> 	Can anyone tell me what the error in the subject means?
> (I don't have access to the source right now)
> 
> 	I suspect it is MMU related, but "-- no pcb" is confusing.
> (no Printed Circuit Board?)
> 
> -- 
> | Nigel Pearson, nigel@ind.tansu.com.au | "Reality is that which,   |
> |   Telstra NW-D, Sydney, Australia.    |  when you stop believing  |
> | Office: 9206 3468    Fax:  9212 6329  |  in it, doesn't go away." |
> | Mobile: 0408 664435  Home: 9792 6998  | Philip K. Dick - 'Valis.' |
> 

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