I don't know if this has been fixed yet.

I am unable to boot off of a GENERIC kernel.

I have a Buslogic 445 (VESA) SCSI controller.

Here is my config file...
================ CURRENT0706 ======================================
#	$NetBSD: GENERIC,v 1.17 1995/06/24 20:39:40 christos Exp $
#
#	GENERIC -- everything that's currently supported
#

machine		i386		# architecture, used by config; REQUIRED

makeoptions	CC="cc -Werror"

options		I386_CPU	# CPU classes; at least one is REQUIRED
options		I486_CPU
options		I586_CPU
options		MATH_EMULATE	# floating point emulation

#options	DUMMY_NOPS	# speed hack; recommanded
options		XSERVER,UCONSOLE
options		INSECURE	# insecure; allow /dev/mem writing for X
options		MACHINE_NONCONTIG

maxusers	32		# estimated number of users
options		TIMEZONE=0	# time zone to adjust RTC time by
options		DST=0		# daylight savings time used by RTC

options		SWAPPAGER	# paging; REQUIRED
options		VNODEPAGER	# mmap() of files
options		DEVPAGER	# mmap() of devices

options		DDB		# in-kernel debugger
#makeoptions	DEBUG="-g"	# compile full symbol table
options		DIAGNOSTIC	# internally consistency checks
options		KTRACE		# system call tracing, a la ktrace(1)

options		SYSVMSG		# System V-like message queues
options		SYSVSEM		# System V-like semaphores
options		SYSVSHM		# System V-like memory sharing
#options	SHMMAXPGS=1024	# 1024 pages is the default

options		COMPAT_NOMID	# compatibility with 386BSD, BSDI, NetBSD 0.8,
options		COMPAT_09	# NetBSD 0.9,
options		COMPAT_10	# NetBSD 1.0,
options		COMPAT_43	# and 4.3BSD
options		TCP_COMPAT_42	# TCP bug compatibility with 4.2BSD

options		COMPAT_SVR4	# binary compatibility with SVR4
options		COMPAT_IBCS2	# binary compatibility with SCO and ISC
options		COMPAT_LINUX	# binary compatibility with Linux

options		USER_LDT	# user-settable LDT; used by WINE
options		LKM		# loadable kernel modules

options		FFS		# UFS
options		QUOTA		# UFS quotas
options		LFS		# log-structured file system
options		MFS		# memory file system

options		NFSCLIENT	# Network File System client
options		NFSSERVER	# Network File System server

options		CD9660		# ISO 9660 + Rock Ridge file system
options		MSDOSFS		# MS-DOS file system
options		FDESC		# /dev/fd
options		FIFO		# FIFOs; RECOMMENDED
options		KERNFS		# /kern
options		NULLFS		# loopback file system
options		PORTAL		# ?
options		PROCFS		# /proc
options		UMAPFS		# NULLFS + uid and gid remapping
options		UNION		# union file system

#options	GATEWAY		# packet forwarding
options		INET		# IP + ICMP + TCP + UDP
#options		NS		# XNS
#options		ISO,TPIP	# OSI
#options		EON		# OSI tunneling over IP
#options		CCITT,LLC,HDLC	# X.25

config		netbsd	swap generic
options		GENERIC

isa0	at root
pci0	at root

npx0	at isa? port 0xf0 irq 13	# math coprocessor

pc0	at isa? port 0x60 irq 1		# generic PC console device

com0	at isa? port 0x3f8 irq 4	# standard PC serial ports
com1	at isa? port 0x2f8 irq 3
com2	at isa? port 0x3e8 irq 5
com3	at isa? port 0x2e8 irq 9
#ast0	at isa? port 0x1a0 irq 5	# AST 4-port serial cards
#com*	at ast? slave ? flags 1
#boca0	at isa? port 0x100 irq 5	# BOCA 8-port serial cards
#com*	at boca? slave ?
#rtfps0	at isa? port 0x1230 irq 10	# RT 4-port serial cards
#com*	at rtfps? slave ?

#cy0	at isa? ...

lpt0	at isa? port 0x378 irq 7	# standard PC parallel ports
lpt1	at isa? port 0x278
lpt2	at isa? port 0x3bc

lms0	at isa? port 0x23c irq 5	# Logitech bus mouse
lms1	at isa? port 0x238 irq 5
mms0	at isa? port 0x23c irq 5	# Microsoft InPort mouse
mms1	at isa? port 0x238 irq 5
#pms0	at isa? port 0x60 irq 12	# PS/2 auxiliary port mouse

# Commented these out so I could boot
#aha0	at isa? port 0x330 irq ? drq ?	# Adaptec 154[02] SCSI controllers
#aha1	at isa? port 0x334 irq ? drq ?	# Adaptec 154[02] SCSI controllers
#scsibus* at aha?
#ahb0	at isa? port ? irq ?		# Adaptec 174[024] SCSI controllers
#scsibus* at ahb?
#aic0	at isa? port 0x340 irq 12	# Adaptec 152[02] SCSI controllers
#scsibus* at aic?

bt0	at isa? port 0x330 irq ? drq ?	# BusLogic [57]4X SCSI controllers
bt1	at isa? port 0x334 irq ? drq ?	# BusLogic [57]4X SCSI controllers
bt2	at isa? port ? irq ?
scsibus* at bt?
#ncr*	at pci? bus ? dev ?		# NCR 538XX SCSI controllers
#scsibus* at ncr?
#sea0	at isa? iomem 0xc8000 irq 5
#scsibus* at sea?
#uha0	at isa? port 0x330 irq ? drq ?	# UltraStor [13]4f SCSI controllers
#uha1	at isa? port 0x334 irq ? drq ?	# UltraStor [13]4f SCSI controllers
#uha2	at isa? port ? irq ?		# UltraStor 24f SCSI controllers
#scsibus* at uha?

sd*	at scsibus? target ? lun ?	# SCSI disk drives
st*	at scsibus? target ? lun ?	# SCSI tape drives
cd*	at scsibus? target ? lun ?	# SCSI CD-ROM drives
ch*	at scsibus? target ? lun ?	# SCSI autochangers

fdc0	at isa? port 0x3f0 irq 6 drq 2	# standard PC floppy controllers
#fdc1	at isa? port 0x370 irq ? drq ?
fd*	at fdc? drive ?

#mcd0	at isa? port 0x300 irq 10	# Mitsumi CD-ROM drives

wdc0	at isa? port 0x1f0 irq 14	# ST506, ESDI, and IDE controllers
#wdc1	at isa? port 0x170 irq ?
wd*	at wdc? drive ?

wt0	at isa? port 0x300 irq 5 drq 1	# Archive and Wangtek QIC tape drives

ed0	at isa? port 0x280 iomem 0xd0000 irq 9	# WD/SMC, 3C503, and NE[12]000
ed1	at isa? port 0x250 iomem 0xd8000 irq 9	#   ethernet cards
ed2	at isa? port 0x300 iomem 0xcc000 irq 10
#eg0	at isa? ...				# 3C505 ethernet cards
#el0	at isa? port 0x300 irq 9		# 3C501 ethernet cards
ep0	at isa? port ? irq ?			# 3C509 ethernet cards
ie0	at isa? port 0x360 iomem 0xd0000 irq 7	# StarLAN & 3C507 ethernet cards
#le0	at isa? port 0x320 irq 10 drq 7		# IsoLan, NE2100, and DEPCA
#de*	at pci? bus ? dev ?

pss0	at isa? port 0x220 irq 7 drq 6  # Personal Sound System
sp0	at pss0 port 0x530 irq 10 drq 0	# 	sound port driver

sb0	at isa? port 0x220 irq 7 drq 1	# SoundBlaster
wss0	at isa? port 0x530 irq 10 drq 0	# Windows Sound System
pas0	at isa? port 0x220 irq 7 drq 1	# ProAudio Spectrum
#spkr0	at isa? ...

pseudo-device	loop	1		# network loopback
pseudo-device	bpfilter 8		# packet filter
pseudo-device	sl	2		# CSLIP
pseudo-device	ppp	2		# PPP
pseudo-device	tun	2		# network tunneling over tty

pseudo-device	pty	64		# pseudo-terminals
pseudo-device	tb	1		# tablet line discipline
pseudo-device	vnd	4		# paging to files

===================================================================

Here is a copy of the boot with the Adapatec and friends commented out.
===================================================================
NetBSD 1.0A (CURRENT0706) #1: Mon Jul 10 20:19:52 PDT 1995
    root@dal605.computek.net:/usr/src/sys/arch/i386/compile/CURRENT0706
CPU: i486DX (486-class CPU)
real mem  = 16384000
avail mem = 13860864
using 225 buffers containing 921600 bytes of memory
isa0 (root)
com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, working fifo
com2 at isa0 port 0x3e8-0x3ef irq 5: ns16550a, working fifo
com3 at isa0 port 0x2e8-0x2ef irq 9: ns16550a, working fifo
lpt0 at isa0 port 0x378-0x37f irq 7
bt0 at isa0 port 0x330-0x333 irq 12 drq 5: version 3.3, sync, parity, 32 mbxs
bt0 targ 0: sync, offset 15, period 200nsec
bt0 targ 2: sync, offset 15, period 200nsec
bt0 targ 4: sync, offset 12, period 200nsec
scsibus0 at bt0
bt0 targ 0 lun 0: <SEAGATE, ST12550N, 0013> SCSI2 0/direct fixed
sd0 at scsibus0: 2040MB, 2708 cyl, 19 head, 81 sec, 512 bytes/sec
bt0 targ 2 lun 0: <ARCHIVE, Python 25501-XXX, 2.50> SCSI2 1/sequential removable
st0 at scsibus0: drive empty
bt0 targ 4 lun 0: <NEC, CD-ROM DRIVE:500, 1.0> SCSI2 5/cdrom removable
cd0 at scsibus0: cd present, 345098 x 2048 byte records
ed0 at isa0 port 0x280-0x29f irq 9: address 00:80:ad:0d:0f:67, type NE2000 (16-bit)
ie0: unknown AT&T board type code 15
sb0 at isa0 port 0x220-0x237 irq 7 drq 1: dsp v4.12
npx0 at isa0 port 0xf0-0xff: using exception 16
pc0 at isa0 port 0x60-0x6f irq 1: color
fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec
fd1 at fdc0 drive 1: 1.2MB 80 cyl, 2 head, 15 sec
root device eisa not configured
root device pci not configured
biomask 10c0 netmask 200 ttymask 23a
changing root device to sd0a
===================================================================