Failure booting bsd.mp.i386 on a sp Soekris 4801 box (NSC SC1100). Hangs
after last line.

bsd.386 boots and works fine under light load.

dmesg of mp follows:

Using drive 0, partition 3.
Loading...
probing: pc0 com0 com1 pci mem[639K 127M a20=on]
disk: hd0+ hd1+
>> OpenBSD/i386 BOOT 2.06
switching console to com0
com0: changing speed to 19200 baud in 5 seconds, change your terminal to
match!
com0: 19200 baud
boot> boot bsd.mp.i386
booting hd0a:bsd.mp.i386: 4877816+861624 [58+225392+203454]=0x5e20b8
entry point at 0x100120

[ using 429320 bytes of bsd ELF symbol table ]
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
Copyright (c) 1995-2004 OpenBSD. All rights reserved.
http://www.OpenBSD.org

OpenBSD 3.5-current (GENERIC.MP) #17: Wed Jun 9 10:12:23 MDT 2004

deraadt@cvs.openbsd.org:/home/staff/deraadt/src/sys/arch/i386/compile/GENERI
C.MP
cpu0: Geode(TM) Integrated Processor by National Semi ("Geode by NSC"
586-class)
267 MHz
cpu0: FPU,TSC,MSR,CX8,CMOV,MMX
cpu0: TSC disabled
real mem = 133799936 (130664K)
avail mem = 115523584 (112816K)
using 1658 buffers containing 6791168 bytes (6632K) of memory
mainbus0 (root)
bios0 at mainbus0: AT/286+(00) BIOS, date 20/40/12, BIOS32 rev. 0 @ 0xf7840
pcibios0 at bios0: rev. 2.0 @ 0xf0000/0x10000
pcibios0: pcibios_get_intr_routing - function not supported
pcibios0: PCI IRQ Routing information unavailable.
pcibios0: PCI bus #0 is the last bus
bios0: ROM list: 0xc8000/0xa000
cpu0 at mainbus0: (uniprocessor)
cpu0: National Semiconductor Geode GX1 ("Geode by NSC" 586-class)
cpu0: FPU,MSR,CX8,CMOV,MMX
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
pchb0 at pci0 dev 0 function 0 "Cyrix GXm PCI" rev 0x00
sis0 at pci0 dev 6 function 0 "NS DP83815 10/100" rev 0x00: DP83816A, irq
10, ad
dress 00:00:24:c1:4f:c8
nsphyter0 at sis0 phy 0: DP83815 10/100 integrated, rev. 1
sis1 at pci0 dev 7 function 0 "NS DP83815 10/100" rev 0x00: DP83816A, irq
10, ad
dress 00:00:24:c1:4f:c9
nsphyter1 at sis1 phy 0: DP83815 10/100 integrated, rev. 1
sis2 at pci0 dev 8 function 0 "NS DP83815 10/100" rev 0x00: DP83816A, irq
10, ad
dress 00:00:24:c1:4f:ca
nsphyter2 at sis2 phy 0: DP83815 10/100 integrated, rev. 1
hifn0 at pci0 dev 14 function 0 "Hifn 7955/7954" rev 0x00: LZS 3DES ARC4 MD5
SHA
1 RNG AES PK, 32KB dram, irq 11
gscpcib0 at pci0 dev 18 function 0 "NS SC1100 ISA" rev 0x00
gpio0 at gscpcib0: 64 pins
"NS SC1100 SMI/ACPI" rev 0x00 at pci0 dev 18 function 1 not configured
pciide0 at pci0 dev 18 function 2 "NS SCx200 IDE" rev 0x01: DMA, channel 0
wired
to compatibility, channel 1 wired to compatibility
wd0 at pciide0 channel 0 drive 0: <IBM-DJSA-220>
wd0: 16-sector PIO, LBA, 19077MB, 39070080 sectors
wd1 at pciide0 channel 0 drive 1: <SanDisk SDCFH-64>
wd1: 1-sector PIO, LBA, 61MB, 125440 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2
wd1(pciide0:0:1): using PIO mode 4
geodesc0 at pci0 dev 18 function 5 "NS SC1100 X-Bus" rev 0x00: iid 6
revision 3
wdstatus 0
ohci0 at pci0 dev 19 function 0 "Compaq USB OpenHost" rev 0x08: irq 5,
version 1
..0, legacy support
usb0 at ohci0: USB revision 1.0
uhub0 at usb0
uhub0: Compaq OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 3 ports with 3 removable, self powered
isa0 at gscpcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard
pcppi0 at isa0 port 0x61
midi0 at pcppi0: <PC speaker>
sysbeep0 at pcppi0
nsclpcsio0 at isa0 port 0x2e/2: NSC PC87366 rev 9: GPIO VLM TMS
gpio1 at nsclpcsio0: 29 pins
gscsio0 at isa0 port 0x15c/2: SC1100 SIO rev 1:
npx0 at isa0 port 0xf0/16: using exception 16
pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
pccom0: console
pccom1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
biomask f3e5 netmask ffe5 ttymask ffe7
pctr: no performance counters in CPU
dkcsum: wd0 matched BIOS disk 80
dkcsum: wd1 matched BIOS disk 81
root on wd0a
rootdev=0x0 rrootdev=0x300 rawdev=0x302