While testing the new pciide code, I landed in the console debugger 
with the following error:

  pool_get: rndsample: curpage NULL, nitems 7
  panic: pool_get: nitems inconsistent

I've seen a few messages go past indicating that option rnd is associated 
with obscure bugs so I rebuilt the kernel without rnd.  I haven't 
had any strange problems since then. 

Can anybody give me a summary of the rnd problems?  Did I just skim 
through the critical message? 

Is the problem well understood?  Anybody interested in a dump?  I've 
got one from the above panic on 1.4 with the new pciide.  If so, 
tell me what to type or... 

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Before I rebuilt the kernel, I tried again.  That time I got a page 
fault or something similar.  I think the message indicated in came 
from something that was probably related to rnd.  I didn't write 
it down expecting the info to get preserved via a core dump. 

I typed "continue" to the console debugger.  It gave me the message 
again.  After a few tries, I tried "reboot".  That got me going again, 
but I didn't get a dump. 

Is there a FAQ or man page for the console debugger?  (Is that even 
the right term?)  If so, how should I have found it?

Is there some command I missed to reboot with a dump?