port-amd64 INSTALL kernel fails to boot in qemu

[Paul Goyette <paul%whooppee.com@localhost>]

I haven't the time to look into this any further, but ever since the 
tprof_amdpmi module was successfully committed (at approximately 02:30 
GMT), an amd64 INSTALL kernel fails to boot under qemu.  It gets as far 
as

  WARNING: couldn't open ffs (//ffs/ffs.kmod)
  WARNING: 1 module failed to load
  Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
      2006, 2007, 2008, 2009, 2010, 2011
      The NetBSD Foundation, Inc.  All rights reserved.
  Copyright (c) 1982, 1986, 1989, 1991, 1993
      The Regents of the University of California.  All rights reserved.

  NetBSD 5.99.45 (INSTALL) #0: Sun Feb  6 01:33:56 PST 2011

  
root%lightning.whooppee.com@localhost:/test-bed/obj/sys/arch/amd64/compile/INSTALL
  total memory = 32368 KB
  avail memory = 13964 KB

and then just hangs.


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