Sun Fire v215 panic at boot

I recently got a v215 from a friend and have installed OpenBSD on it.
Occassionally, it will panic during boot.  This happened during
install and I see it now during regular reboots.  I can pretty much
reproduce this at will with a couple of reboots.

Could this be faulty hardware ?  To reset the ALOM password, I
installed Solaris 10 (took an eternity) and that never showed any
problems, but I guess that doesn't prove much.

First the panic and then full dmesg (from a succesful boot) are
included below.

Paul 'WEiRD' de Weerd

...
power0 at ebus1 addr 40-c1 ivec 0x3
"i2c" at mainbus0 not configured
data error type 32 sfsr=808008 sfva=40007ed8050 afsr=10080005000000 afva=7f8100010c0 tf=0xe0017aa8
panic: data fault: pc=101c200 addr=40007ed8050 sfsr=808008<TM,PRIV>
kdb breakpoint at 1464d40
Stopped at      Debugger+0x4:   nop
data_access_error(e0017aa8, 101c200, 7f8100010c0, 10080005000000, 40007ed8050, 8
08008) at data_access_error+0x20c
trapbase_sun4v(1400, 5, 0, 0, 0, 1) at trapbase_sun4v+0x87a8
openfirmware(40007ed86f0, 17, d, f, f005de38, d) at openfirmware+0x44
wdcintr(40007ed86f0, 2, 1400, 1453ac0, 1c09b78, d) at wdcintr+0x14
pciide_pci_intr(40007ed8000, 0, e0017ec8, 1400, 13b1fc0, 15596a8) at pciide_pci
_intr+0x68
sparc_interrupt(40007ec9f80, 1802900, 0, 0, 18c2878, 40) at sparc_interrupt+0x2
a0
cpu_configure(180e098, 64, 0, ffffffffffffe000, 1, 1) at cpu_configure+0x2a8
main(0, 117f1e0, 18, f005de38, f005de38, 1801010) at main+0x440
print_dtlb(100000, 1580, 1000000, fff2bb30, 18, 10b428) at print_dtlb+0x15c
RUN AT LEAST 'trace' AND 'ps' AND INCLUDE OUTPUT WHEN REPORTING THIS PANIC!
DO NOT EVEN BOTHER REPORTING THIS WITHOUT INCLUDING THAT INFORMATION!
ddb> ps
   PID   PPID   PGRP    UID  S       FLAGS  WAIT          COMMAND
*    0     -1      0      0  7       0x200                swapper
ddb> trace
data_access_error(e0017aa8, 101c200, 7f8100010c0, 10080005000000, 40007ed8050, 8
08008) at data_access_error+0x20c
trapbase_sun4v(1400, 5, 0, 0, 0, 1) at trapbase_sun4v+0x87a8
openfirmware(40007ed86f0, 17, d, f, f005de38, d) at openfirmware+0x44
wdcintr(40007ed86f0, 2, 1400, 1453ac0, 1c09b78, d) at wdcintr+0x14
pciide_pci_intr(40007ed8000, 0, e0017ec8, 1400, 13b1fc0, 15596a8) at pciide_pci
_intr+0x68
sparc_interrupt(40007ec9f80, 1802900, 0, 0, 18c2878, 40) at sparc_interrupt+0x2
a0
cpu_configure(180e098, 64, 0, ffffffffffffe000, 1, 1) at cpu_configure+0x2a8
main(0, 117f1e0, 18, f005de38, f005de38, 1801010) at main+0x440
print_dtlb(100000, 1580, 1000000, fff2bb30, 18, 10b428) at print_dtlb+0x15c


Boot device: /pci@1e,600000/pci@0/pci@a/pci@0/pci@8/scsi@1/disk@0,0:a  File and args: 
OpenBSD IEEE 1275 Bootblock 1.3
..>> OpenBSD BOOT 1.4
Trying bsd...
Booting /pci@1e,600000/pci@0/pci@a/pci@0/pci@8/scsi@1/disk@0,0:a/bsd
6556952@0x1000000+4840@0x1640d18+172808@0x1800000+4021496@0x182a308 
symbols @ 0xfea80300 90+401544+252854 start=0x1000000
[ using 655264 bytes of bsd ELF symbol table ]
console is /ebus@1f,464000/serial@2,80
Copyright (c) 1982, 1986, 1989, 1991, 1993
        The Regents of the University of California.  All rights reserved.
Copyright (c) 1995-2012 OpenBSD. All rights reserved.  http://www.OpenBSD.org

OpenBSD 5.1 (GENERIC) #130: Sun Feb 12 12:19:20 MST 2012
    [email protected]:/usr/src/sys/arch/sparc64/compile/GENERIC
real mem = 8589934592 (8192MB)
avail mem = 8444149760 (8052MB)
mainbus0 at root: Sun Fire V215
cpu0 at mainbus0: SUNW,UltraSPARC-IIIi (rev 3.4) @ 1504 MHz
cpu0: physical 32K instruction (32 b/l), 64K data (32 b/l), 1024K external (64 b/l)
"memory-controller" at mainbus0 not configured
pyro0 at mainbus0: "Fire", rev 3, ign 780, bus A 2 to 13
pyro0: dvma map c0000000-ffffffff
pci0 at pyro0
ppb0 at pci0 dev 0 function 0 "PLX PEX 8532" rev 0xbb
pci1 at ppb0 bus 3
ppb1 at pci1 dev 1 function 0 "PLX PEX 8532" rev 0xbb
pci2 at ppb1 bus 4
ppb2 at pci2 dev 0 function 0 "Acer Labs M5249 PCI-PCI" rev 0x00
pci3 at ppb2 bus 5
ohci0 at pci3 dev 28 function 0 "Acer Labs M5237 USB" rev 0x03: ivec 0x780, version 1.0, legacy support
ohci1 at pci3 dev 28 function 1 "Acer Labs M5237 USB" rev 0x03: ivec 0x780, version 1.0, legacy support
ehci0 at pci3 dev 28 function 3 "Acer Labs M5239 USB2" rev 0x01: ivec 0x781
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "Acer Labs EHCI root hub" rev 2.00/1.00 addr 1
ebus0 at pci3 dev 30 function 0 "Acer Labs M1575 ISA" rev 0x00
rtc0 at ebus0 addr 70-73: m5823
pciide0 at pci3 dev 31 function 0 "Acer Labs M5229 UDMA IDE" rev 0xc8: DMA, channel 0 configured to native-PCI, channel 1 configured to native-PCI
pciide0: using ivec 0x784 for native-PCI interrupt
atapiscsi0 at pciide0 channel 0 drive 0
scsibus0 at atapiscsi0: 2 targets
cd0 at scsibus0 targ 0 lun 0: <MATSHITA, DVD-RAM UJ-85JS, F100> ATAPI 5/cdrom removable
cd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2
pciide0: channel 1 disabled (no drives)
usb1 at ohci0: USB revision 1.0
uhub1 at usb1 "Acer Labs OHCI root hub" rev 1.00/1.00 addr 1
usb2 at ohci1: USB revision 1.0
uhub2 at usb2 "Acer Labs OHCI root hub" rev 1.00/1.00 addr 1
ppb3 at pci1 dev 2 function 0 "PLX PEX 8532" rev 0xbb: msi
pci4 at ppb3 bus 6
ppb4 at pci1 dev 8 function 0 "PLX PEX 8532" rev 0xbb: msi
pci5 at ppb4 bus 7
ppb5 at pci1 dev 9 function 0 "PLX PEX 8532" rev 0xbb
pci6 at ppb5 bus 8
ppb6 at pci6 dev 0 function 0 "ServerWorks PCIE-PCIX" rev 0xb5
pci7 at ppb6 bus 9
bge0 at pci7 dev 4 function 0 "Broadcom BCM5714" rev 0xa3, BCM5715 A3 (0x9003): ivec 0x795, address 00:14:4f:b0:85:1a
brgphy0 at bge0 phy 1: BCM5714 10/100/1000baseT/SX PHY, rev. 0
bge1 at pci7 dev 4 function 1 "Broadcom BCM5714" rev 0xa3, BCM5715 A3 (0x9003): ivec 0x796, address 00:14:4f:b0:85:1b
brgphy1 at bge1 phy 1: BCM5714 10/100/1000baseT/SX PHY, rev. 0
ppb7 at pci7 dev 8 function 0 "ServerWorks HT-1000 PCIX" rev 0xb4
pci8 at ppb7 bus 10
mpi0 at pci8 dev 1 function 0 "Symbios Logic 53c1030" rev 0x08: msi
scsibus1 at mpi0: 16 targets, initiator 7
mpi1 at pci8 dev 1 function 1 "Symbios Logic 53c1030" rev 0x08: msi
scsibus2 at mpi1: 16 targets, initiator 7
ppb8 at pci1 dev 10 function 0 "PLX PEX 8532" rev 0xbb
pci9 at ppb8 bus 11
ppb9 at pci9 dev 0 function 0 "ServerWorks PCIE-PCIX" rev 0xb5
pci10 at ppb9 bus 12
bge2 at pci10 dev 4 function 0 "Broadcom BCM5714" rev 0xa3, BCM5715 A3 (0x9003): ivec 0x796, address 00:14:4f:b0:85:1c
brgphy2 at bge2 phy 1: BCM5714 10/100/1000baseT/SX PHY, rev. 0
bge3 at pci10 dev 4 function 1 "Broadcom BCM5714" rev 0xa3, BCM5715 A3 (0x9003): ivec 0x797, address 00:14:4f:b0:85:1d
brgphy3 at bge3 phy 1: BCM5714 10/100/1000baseT/SX PHY, rev. 0
ppb10 at pci10 dev 8 function 0 "ServerWorks HT-1000 PCIX" rev 0xb4
pci11 at ppb10 bus 13
mpi2 at pci11 dev 1 function 0 "Symbios Logic SAS1064" rev 0x02: msi
scsibus3 at mpi2: 63 targets
sd0 at scsibus3 targ 0 lun 0: <SEAGATE, ST973402SSUN72G, 0603> SCSI3 0/direct fixed naa.5000c50007e1df0b
sd0: 70007MB, 512 bytes/sector, 143374738 sectors
sd1 at scsibus3 targ 1 lun 0: <FUJITSU, MBB2073RCSUN72G, 0505> SCSI2 0/direct fixed naa.500000e019033ec0
sd1: 70007MB, 512 bytes/sector, 143374738 sectors
pyro1 at mainbus0: "Fire", rev 3, ign 7c0, bus B 2 to 255
pyro1: dvma map c0000000-ffffffff
pci12 at pyro1
ebus1 at mainbus0: ign 7c0
"flashprom" at ebus1 addr 0-1fffff not configured
com0 at ebus1 addr 80-87 ivec 0x8: ns16550a, 16 byte fifo
com0: console
com1 at ebus1 addr 40-47 ivec 0x9: ns16550a, 16 byte fifo
"rmc-comm" at ebus1 addr 0-7 ivec 0xa not configured
"gpio" at ebus1 addr c0-c0 not configured
led0 at ebus1 addr 0-80: rev 0x5a
power0 at ebus1 addr 40-c1 ivec 0x3
"i2c" at mainbus0 not configured
vscsi0 at root
scsibus4 at vscsi0: 256 targets
softraid0 at root
scsibus5 at softraid0: 256 targets
bootpath: /pci@1e,600000/pci@0,0/pci@a,0/pci@0,0/pci@8,0/scsi@1,0/disk@0,0
root on sd0a (e580d48835930ea5.a) swap on sd0b dump on sd0b


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