Same kernel also fails on i815 and S3 Trio32/64 machines, see
 	dmesgs at end.

 	It does work on a selection of other machines:

vesabios0 at mainbus0:
 	version 2.0, ATI Technologies Inc. GL10
 	version 2.0, ATI Technologies Inc. MACH64GM
 	version 2.0, ATI Technologies Inc. MACH64GT
 	version 2.0, ATI Technologies Inc. R100
 	version 2.0, ATI Technologies Inc. R128
 	version 2.0, ATI Technologies Inc. V200
 	version 3.0, Intel Corporation Brookdale-G Graphics Controller
 	version 3.0, Intel Corporation Intel(r)865G Graphics Controller
 	version 3.0, NVidia Corporation NV11 (GeForce2) Board
 	version 3.0, NVidia Corporation NV11 Board
 	version 3.0, Silicon Integrated Systems Corp. 315E

GENERIC boot from i815 machine which fails vesabios:

NetBSD 4.0_BETA (GENERIC) #3: Wed Aug 23 02:51:49 BST 2006
 	root@tll.i:/var/obj/i386/files/netbsd/4/sys/arch/i386/compile/GENERIC
total memory = 254 MB
avail memory = 240 MB
timecounter: Timecounters tick every 10.000 msec
timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
timecounter: selected timecounter "i8254" frequency 1193182 Hz quality 100
BIOS32 rev. 0 found at 0xe7300
mainbus0 (root)
cpu0 at mainbus0: (uniprocessor)
cpu0: Intel Pentium III (686-class), 730.93 MHz, id 0x686
cpu0: features 383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
cpu0: features 383fbff<PGE,MCA,CMOV,PAT,PSE36,MMX>
cpu0: features 383fbff<FXSR,SSE>
cpu0: I-cache 16 KB 32B/line 4-way, D-cache 16 KB 32B/line 4-way
cpu0: L2 cache 256 KB 32B/line 8-way
cpu0: ITLB 32 4 KB entries 4-way, 2 4 MB entries fully associative
cpu0: DTLB 64 4 KB entries 4-way, 8 4 MB entries 4-way
cpu0: 8 page colors
pci0 at mainbus0 bus 0: configuration mode 1
pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
pchb0 at pci0 dev 0 function 0
pchb0: Intel 82815 Hub (rev. 0x02)
pchb0: random number generator enabled
agp0 at pchb0: aperture at 0x44000000, size 0x4000000
vga1 at pci0 dev 2 function 0: Intel 82815 Graphics (rev. 0x02)
wsdisplay0 at vga1 kbdmux 1: console (80x25, vt100 emulation)
wsmux1: connecting to wsdisplay0
ppb0 at pci0 dev 30 function 0: Intel 82801BA Hub-PCI Bridge (rev. 0x01)
pci1 at ppb0 bus 2
pci1: i/o space, memory space enabled
fxp0 at pci1 dev 8 function 0: Intel i82562 Ethernet, rev 1
fxp0: interrupting at irq 5
fxp0: Ethernet address 00:02:a5:2a:e9:f4
inphy0 at fxp0 phy 1: i82562EM 10/100 media interface, rev. 0
inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
pcib0 at pci0 dev 31 function 0
pcib0: Intel 82801BA LPC Interface Bridge (rev. 0x01)
piixide0 at pci0 dev 31 function 1
piixide0: Intel 82801BA IDE Controller (ICH2) (rev. 0x01)
piixide0: bus-master DMA support present
piixide0: primary channel wired to compatibility mode
piixide0: primary channel interrupting at irq 14
atabus0 at piixide0 channel 0
piixide0: secondary channel wired to compatibility mode
piixide0: secondary channel interrupting at irq 15
atabus1 at piixide0 channel 1
uhci0 at pci0 dev 31 function 4: Intel 82801BA USB Controller (rev. 0x01)
uhci0: interrupting at irq 5
usb0 at uhci0: USB revision 1.0
uhub0 at usb0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
auich0 at pci0 dev 31 function 5: i82801BA (ICH2) AC-97 Audio
auich0: interrupting at irq 11
auich0: ac97: Analog Devices AD1885 codec; headphone, Analog Devices Phat Stereo
auich0: ac97: ext id 1<VRA>
isa0 at pcib0
lpt0 at isa0 port 0x378-0x37b irq 7
com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, working fifo
pckbc0 at isa0 port 0x60-0x64
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
attimer0 at isa0 port 0x40-0x43: AT Timer
pcppi0 at isa0 port 0x61
midi0 at pcppi0: PC speaker (CPU-intensive output)
sysbeep0 at pcppi0
isapnp0 at isa0 port 0x279: ISA Plug 'n Play device support
npx0 at isa0 port 0xf0-0xff
npx0: using exception 16
fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
pcppi0: attached to attimer0
isapnp0: no ISA Plug 'n Play devices found
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
auich0: measured ac97 link rate at 55082 Hz, will use 55000 Hz
audio0 at auich0: full duplex, mmap, independent
fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
Kernelized RAIDframe activated
wd0 at atabus0 drive 0: <IBM-DHEA-34330>
wd0: drive supports 16-sector PIO transfers, LBA addressing
wd0: 4028 MB, 8184 cyl, 16 head, 63 sec, 512 bytes/sect x 8249472 sectors
wd0: 32-bit data port
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 2 (Ultra/33)
wd0(piixide0:0:0): using PIO mode 4, Ultra-DMA mode 2 (Ultra/33) (using DMA)
atapibus0 at atabus1: 2 targets
cd0 at atapibus0 drive 0: <COMPAQ CR-594, , YC0G> cdrom removable
cd0: 32-bit data port
cd0: drive supports PIO mode 4, DMA mode 2
cd0(piixide0:1:0): using PIO mode 4, DMA mode 2 (using DMA)
boot device: wd0
root on wd0a dumps on wd0b
root file system type: ffs

GENERIC boot from S3 Trio32/64 machine which fails vesabios:

NetBSD 4.0_BETA (GENERIC) #3: Wed Aug 23 02:51:49 BST 2006
 	root@tll.i:/var/obj/i386/files/netbsd/4/sys/arch/i386/compile/GENERIC
total memory = 511 MB
avail memory = 492 MB
timecounter: Timecounters tick every 10.000 msec
timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
timecounter: selected timecounter "i8254" frequency 1193182 Hz quality 100
BIOS32 rev. 0 found at 0xf0010
mainbus0 (root)
cpu0 at mainbus0: (uniprocessor)
cpu0: AMD Unknown K7 (Athlon) (686-class), 2403.26 MHz, id 0x20f71
cpu0: features 78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
cpu0: features 78bfbff<PGE,MCA,CMOV,PAT,PSE36,MPC,MMX>
cpu0: features 78bfbff<FXSR,SSE,SSE2>
cpu0: features2 1<SSE3>
cpu0: "AMD Athlon(tm) 64 Processor 4000+"
pci0 at mainbus0 bus 0: configuration mode 1
pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
pchb0 at pci0 dev 0 function 0
pchb0: VIA Technologies product 0x0282 (rev. 0x00)
agp0 at pchb0: aperture at 0xf2000000, size 0xe900000
pchb1 at pci0 dev 0 function 1
pchb1: VIA Technologies product 0x1282 (rev. 0x00)
pchb2 at pci0 dev 0 function 2
pchb2: VIA Technologies product 0x2282 (rev. 0x00)
pchb3 at pci0 dev 0 function 3
pchb3: VIA Technologies product 0x3282 (rev. 0x00)
pchb4 at pci0 dev 0 function 4
pchb4: VIA Technologies product 0x4282 (rev. 0x00)
pchb5 at pci0 dev 0 function 7
pchb5: VIA Technologies product 0x7282 (rev. 0x00)
ppb0 at pci0 dev 1 function 0: VIA Technologies product 0xb188 (rev. 0x00)
pci1 at ppb0 bus 1
pci1: memory space enabled
fwohci0 at pci0 dev 7 function 0: VIA Technologies VT6306 IEEE 1394 Host Controller (rev. 0x80)
fwohci0: interrupting at irq 5
fwohci0: OHCI version 1.0 (ROM=1)
fwohci0: No. of Isochronous channels is 4.
fwohci0: EUI64 00:11:d8:00:00:19:ad:62
fwohci0: Phy 1394a available S400, 2 ports.
fwohci0: Link S400, max_rec 2048 bytes.
ieee1394if0 at fwohci0: IEEE1394 bus
fwip0 at ieee1394if0: IP over IEEE1394
fwohci0: Initiate bus reset
pdcsata0 at pci0 dev 8 function 0
pdcsata0: Promise PDC20378 SATA150 controller (rev. 0x02)
pdcsata0: interrupting at irq 10
pdcsata0: bus-master DMA support present
atabus0 at pdcsata0 channel 0
atabus1 at pdcsata0 channel 1
atabus2 at pdcsata0 channel 2
skc0 at pci0 dev 10 function 0: irq 11
skc0: interrupt moderation is 0 us
skc0: Marvell Yukon Lite Gigabit Ethernet rev. (0x9)
sk0 at skc0 port A: Ethernet address 00:11:d8:a5:e7:04
makphy0 at sk0 phy 0: Marvell 88E1011 Gigabit PHY, rev. 5
makphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
vga1 at pci0 dev 12 function 0: S3 Trio32/64 (rev. 0x40)
wsdisplay0 at vga1 kbdmux 1: console (80x25, vt100 emulation)
wsmux1: connecting to wsdisplay0
viaide0 at pci0 dev 15 function 0
viaide0: VIA Technologies VT8237 SATA Controller (rev. 0x80)
viaide0: bus-master DMA support present
viaide0: primary channel wired to native-PCI mode
viaide0: using irq 11 for native-PCI interrupt
atabus3 at viaide0 channel 0
viaide0: secondary channel wired to native-PCI mode
atabus4 at viaide0 channel 1
viaide1 at pci0 dev 15 function 1
viaide1: VIA Technologies VT8237 ATA133 controller
viaide1: bus-master DMA support present
viaide1: primary channel configured to compatibility mode
viaide1: primary channel interrupting at irq 14
atabus5 at viaide1 channel 0
viaide1: secondary channel configured to compatibility mode
viaide1: secondary channel interrupting at irq 15
atabus6 at viaide1 channel 1
uhci0 at pci0 dev 16 function 0: VIA Technologies VT83C572 USB Controller (rev. 0x81)
uhci0: interrupting at irq 5
usb0 at uhci0: USB revision 1.0
uhub0 at usb0
uhub0: VIA Technologies UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1 at pci0 dev 16 function 1: VIA Technologies VT83C572 USB Controller (rev. 0x81)
uhci1: interrupting at irq 5
usb1 at uhci1: USB revision 1.0
uhub1 at usb1
uhub1: VIA Technologies UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhci2 at pci0 dev 16 function 2: VIA Technologies VT83C572 USB Controller (rev. 0x81)
uhci2: interrupting at irq 11
usb2 at uhci2: USB revision 1.0
uhub2 at usb2
uhub2: VIA Technologies UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
uhci3 at pci0 dev 16 function 3: VIA Technologies VT83C572 USB Controller (rev. 0x81)
uhci3: interrupting at irq 11
usb3 at uhci3: USB revision 1.0
uhub3 at usb3
uhub3: VIA Technologies UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub3: 2 ports with 2 removable, self powered
ehci0 at pci0 dev 16 function 4: VIA Technologies VT8237 EHCI USB Controller (rev. 0x86)
ehci0: interrupting at irq 10
ehci0: BIOS has given up ownership
ehci0: EHCI version 1.0
ehci0: companion controllers, 2 ports each: uhci0 uhci1 uhci2 uhci3
usb4 at ehci0: USB revision 2.0
uhub4 at usb4
uhub4: VIA Technologies EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub4: 8 ports with 8 removable, self powered
pcib0 at pci0 dev 17 function 0
pcib0: VIA Technologies VT8237 (Apollo KT600) PCI-ISA Bridge (rev. 0x00)
auvia0 at pci0 dev 17 function 5: VIA Technologies VT8237 AC'97 Audio (rev 0x60)
auvia0: interrupting at irq 10
auvia0: ac97: Avance Logic ALC850 codec; no 3D stereo
auvia0: ac97: ext id 9c6<AC97_23,LDAC,SDAC,CDAC,SPDIF,DRA>
audio0 at auvia0: full duplex, independent
pchb6 at pci0 dev 24 function 0
pchb6: Advanced Micro Devices AMD64 HyperTransport configuration (rev. 0x00)
pchb7 at pci0 dev 24 function 1
pchb7: Advanced Micro Devices AMD64 Address Map configuration (rev. 0x00)
pchb8 at pci0 dev 24 function 2
pchb8: Advanced Micro Devices AMD64 DRAM configuration (rev. 0x00)
pchb9 at pci0 dev 24 function 3
pchb9: Advanced Micro Devices AMD64 Miscellaneous configuration (rev. 0x00)
isa0 at pcib0
com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
pckbc0 at isa0 port 0x60-0x64
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
attimer0 at isa0 port 0x40-0x43: AT Timer
pcppi0 at isa0 port 0x61
midi0 at pcppi0: PC speaker (CPU-intensive output)
sysbeep0 at pcppi0
isapnp0 at isa0 port 0x279: ISA Plug 'n Play device support
npx0 at isa0 port 0xf0-0xff
npx0: using exception 16
fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
pcppi0: attached to attimer0
isapnp0: no ISA Plug 'n Play devices found
fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode
ieee1394if0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
ieee1394if0: bus manager 0 (me)
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
Kernelized RAIDframe activated
wd0 at atabus4 drive 0: <Maxtor 6B250S0>
wd0: drive supports 16-sector PIO transfers, LBA48 addressing
wd0: 233 GB, 486344 cyl, 16 head, 63 sec, 512 bytes/sect x 490234752 sectors
wd0: 32-bit data port
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd0(viaide0:1:0): using PIO mode 4, Ultra-DMA mode 6 (Ultra/133) (using DMA)
wd1 at atabus5 drive 0: <IBM-DHEA-34330>
wd1: drive supports 16-sector PIO transfers, LBA addressing
wd1: 4028 MB, 8184 cyl, 16 head, 63 sec, 512 bytes/sect x 8249472 sectors
wd1: 32-bit data port
wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 2 (Ultra/33)
wd1(viaide1:0:0): using PIO mode 4, Ultra-DMA mode 2 (Ultra/33) (using DMA)
boot device: wd1
root on wd1a dumps on wd1b
root file system type: ffs
skc0: interrupt moderation is 100 us
syncing disks... done