Alpha/EISA broken?

Hi

Latest boot on my Alpha breaks thus:

Booting [/boot/kernel/kernel]...
Entering /boot/kernel/kernel at 0xfffffc00003303c0...
sio1: gdb debugging port
Copyright (c) 1992-2003 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD 5.1-CURRENT #0: Fri Jul 25 11:50:23 BST 2003
    root_at_grapeshot.grondar.org:/usr/src/sys/alpha/compile/G_ALPHA
Preloaded elf kernel "/boot/kernel/kernel" at 0xfffffc0000868000.
Preloaded elf module "/boot/kernel/linux.ko" at 0xfffffc00008680d0.
Preloaded elf module "/boot/kernel/sysvshm.ko" at 0xfffffc00008681a0.
Preloaded elf module "/boot/kernel/sysvsem.ko" at 0xfffffc0000868270.
Preloaded elf module "/boot/kernel/sysvmsg.ko" at 0xfffffc0000868340.
Preloaded elf module "/boot/kernel/osf1.ko" at 0xfffffc0000868410.
Preloaded elf module "/boot/kernel/if_dc.ko" at 0xfffffc00008684e0.
Preloaded elf module "/boot/kernel/miibus.ko" at 0xfffffc00008685b0.
Preloaded elf module "/boot/kernel/random.ko" at 0xfffffc0000868680.
Preloaded elf module "/boot/kernel/isp.ko" at 0xfffffc0000868750.
Preloaded elf module "/boot/kernel/cam.ko" at 0xfffffc0000868820.
Preloaded elf module "/boot/kernel/nfsserver.ko" at 0xfffffc00008688f0.
Preloaded elf module "/boot/kernel/nfsclient.ko" at 0xfffffc00008689c8.
AlphaServer 1000/1000A
AlphaServer 1000A 5/500, 500MHz
8192 byte page size, 1 processor.
CPU: EV56 (21164A) major=7 minor=2 extensions=0x1<BWX>
OSF PAL rev: 0x1000600020117
real memory  = 266371072 (254 MB)
avail memory = 250863616 (239 MB)
cia0: <2117x Core Logic chipset>
cia0: ALCOR/ALCOR2, pass 3
cia0: extended capabilities: 21<DWEN,BWEN>
pcib0: <2117x PCI host bus adapter> on cia0
pci0: <PCI bus> on pcib0
eisab0: <PCI-EISA bridge> at device 7.0 on pci0

halted CPU 0

halt code = 7
machine check while in PAL mode
PC = 18100
>>>

Any idea what gives?

M
--
Mark Murray
iumop ap!sdn w,I idlaH