> 
> The 'pmap_emulate_reference' panic I had comes from:
> 
> WARNING: pmap_emulate_reference(0xfffffe008a766400, 0xfffffe00935a6000, 0, 1): pa 0x4f14000 not managed
> 
> Hey, guess what. The message buffer ain't mapped. So, probably uiomove
> is a bad thing to call for copying it out, eh?

There's a difference between mapped and managed.

The message buffer is mapped -- via the superpage mapping.  However,
it is not managed.


cgd