Using build.sh kernel=... I get this:

cc  -O -o nbmake *.o  
===> DESTDIR path: 
===> TOOLDIR path: /usr/src/tools/obj/tools.NetBSD-1.6M-i386
===> Created /usr/src/tools/obj/tools.NetBSD-1.6M-i386/bin/nbmake
===> Updated /usr/src/tools/obj/tools.NetBSD-1.6M-i386/bin/nbmake-i386
===> Building kernel without building new tools
===> Building kernel CHALLENGER.acpi
===> Kernel build directory: /usr/src/sys/arch/i386/compile/obj/CHALLENGER.acpi
rm -f a.out [Ee]rrs mklog core *.core .gdbinit 
/usr/src/sys/dev/ata/files.ata:17: syntax error
/usr/src/sys/dev/ata/files.ata:21: undefined attribute `ataraid'
/usr/src/sys/arch/i386/conf/files.i386: device `ataraid' used but not defined
*** Stop.

ERROR: nbconfig failed for CHALLENGER.acpi
*** BUILD ABORTED ***

I assume I need a new config; I would think, though, that the toolchain 
would ((make that "should") do that for me, given the usual warnings 
about not running a new userland without first upgrading the kernel.


		--Steve Bellovin, http://www.research.att.com/~smb (me)
		http://www.wilyhacker.com (2nd edition of "Firewalls" book)