Re: My system halt when probe rd0 device.

[Flinn Mueller <flinn@activeintra.net>]

I get the same problem, booting any 2.9 snapshot after the freeze 
crashes during bootup with:
rd0: fixed, #somenumber# blocks 

here is my dmesg from previous a working kernel:

OpenBSD 2.9 (GENERIC) #0: Sat Apr 28 11:35:00 MST 2001
    flinn@mars:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: AMD K6-2 ("AuthenticAMD" 586-class) 301 MHz
cpu0: FPU,V86,DE,PSE,TSC,MSR,MCE,CX8,PGE,MMX
real mem  = 267956224 (261676K)
avail mem = 243535872 (237828K)
using 3296 buffers containing 13500416 bytes (13184K) of memory
mainbus0 (root)
bios0 at mainbus0: AT/286+(c9) BIOS, date 11/19/98, BIOS32 rev. 0 @ 
0xfb2a0
apm0 at bios0: Power Management spec V1.2
apm0: AC on, battery charge unknown
pcibios0 at bios0: rev. 2.1 @ 0xf0000/0xb718
pcibios0: PCI IRQ Routing Table rev. 1.0 @ 0xfdcb0/128 (6 entries)
pcibios0: PCI Interrupt Router at 000:07:0 ("VIA VT82C586 PCI-ISA" 
rev 0x00)
pcibios0: PCI Exclusive IRQs: 10 11
pcibios0: PCI bus #1 is the last bus
bios0: ROM list: 0xc0000/0xa800
pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
pchb0 at pci0 dev 0 function 0 "VIA VT82C597 Host-PCI" rev 0x04
ppb0 at pci0 dev 1 function 0 "VIA VT82C598 PCI-AGP" rev 0x00
pci1 at ppb0 bus 1
vga1 at pci1 dev 0 function 0 "Nvidia Vanta" rev 0x15
wsdisplay0 at vga1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
pcib0 at pci0 dev 7 function 0 "VIA VT82C586 PCI-ISA" rev 0x47
pciide0 at pci0 dev 7 function 1 "VIA VT82C571 IDE" rev 0x06: DMA, 
channel 0 configured to compatibility, channel 1 configured to 
compatibility
atapiscsi0 at pciide0 channel 0
scsibus0 at atapiscsi0: 2 targets
cd0 at scsibus0 targ 1 lun 0: <MITSUMI, CD-ROM FX240S !B, s01> SCSI0 
5/cdrom removable
wd0 at pciide0 channel 0 drive 0: <ST32122A>
wd0: 16-sector PIO, LBA, 2014MB, 4092 cyl, 16 head, 63 sec, 4124736 
sectors
pciide0: channel 0 interrupting at irq 14
wd0(pciide0:0:0): using PIO mode 4, DMA mode 2
cd0(pciide0:0:1): using PIO mode 4, DMA mode 2
wd1 at pciide0 channel 1 drive 0: <WDC AC34300L>
wd1: 16-sector PIO, LBA, 4104MB, 8896 cyl, 15 head, 63 sec, 8406720 
sectors
pciide0: channel 1 interrupting at irq 15
wd1(pciide0:1:0): using PIO mode 4, DMA mode 2
"VIA VT82C586 Power Management" rev 0x10 at pci0 dev 7 function 3 not 
configured
tx0 at pci0 dev 8 function 0 "SMC 83C170 (EPIC/100)" rev 0x06: irq 10 
address 00:e0:29:0a:90:20
qsphy0 at tx0 phy 3: QS6612 10/100 media interface, rev. 1
puc0 at pci0 dev 9 function 0 "AT&T/Lucent Venus Modem" rev 0x00: com
pccom3 at puc0 port 0 irq 11: ns16550a, 16 byte fifo
isa0 at pcib0
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, using wsdisplay0
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
sb0 at isa0 port 0x220/24 irq 5 drq 1: dsp v4.12
midi0 at sb0: <SB MIDI UART>
audio0 at sb0
opl0 at sb0: model OPL3
midi1 at opl0: <SB Yamaha OPL3>
pcppi0 at isa0 port 0x61
midi2 at pcppi0: <PC speaker>
sysbeep0 at pcppi0
npx0 at isa0 port 0xf0/16: using exception 16
pccom1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
pccom2: irq 5 already in use
fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec
biomask c040 netmask c440 ttymask d442
pctr: user-level cycle counter enabled
mtrr: K6-family MTRR support (2 registers)
wd0: no disk label
dkcsum: wd0 matched BIOS disk 81
dkcsum: wd1 matched BIOS disk 80
root on wd1a
rootdev=0x10 rrootdev=0x310 rawdev=0x312