Kernel entry at 0x102550 ...
KDB: debugger backends: ddb
KDB: current backend: ddb
realmaxaddr: 0x0000000008000000
Copyright (c) 1992-2011 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 is a registered trademark of The FreeBSD Foundation.
FreeBSD 9.0-CURRENT #28 r222264:222287M: Wed May 25 22:14:47 CEST 2011
    andreast@t60.andreas.nets:/usr/obj/powerpc.powerpc64/export/devel/fbsd/head/src/sys/GENERIC64 powerpc
WARNING: WITNESS option enabled, expect reduced performance.
Preloaded elf kernel "/boot/kernel/kernel" at 0xe70000.
module_register: module nexus/sc already exists!
Module nexus/sc failed to register: 17
cpu0: IBM POWER5+ revision 2.0
cpu0: Features cc000000<PPC32,PPC64,FPU,MMU>
real memory  = 1965301760 (1874 MB)
available KVA = 7593295871 (7241 MB)
Physical memory chunk(s):
0x0000000000019000 - 0x00000000000fffff, 946176 bytes (231 pages)
0x000000000107f000 - 0x0000000001bfffff, 12062720 bytes (2945 pages)
0x0000000001c3c000 - 0x0000000001ffffff, 3948544 bytes (964 pages)
0x0000000004680000 - 0x000000007399efff, 1865543680 bytes (455455 pages)
avail memory = 1871396864 (1784 MB)
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0: dev=20a8778 (BSP)
cpu1: dev=20a8778
ULE: setup cpu 0
ULE: setup cpu 1
firmware: 'isp_1040' version 1: 22944 bytes loaded at 0x760184
ispfw: registered firmware <isp_1040>
firmware: 'isp_1040_it' version 1: 32942 bytes loaded at 0x765b24
ispfw: registered firmware <isp_1040_it>
firmware: 'isp_1080' version 1: 31350 bytes loaded at 0x76dbd2
ispfw: registered firmware <isp_1080>
firmware: 'isp_1080_it' version 1: 40644 bytes loaded at 0x775648
ispfw: registered firmware <isp_1080_it>
firmware: 'isp_12160' version 1: 28050 bytes loaded at 0x77f50c
ispfw: registered firmware <isp_12160>
firmware: 'isp_12160_it' version 1: 40604 bytes loaded at 0x78629e
ispfw: registered firmware <isp_12160_it>
firmware: 'isp_2100' version 1: 76770 bytes loaded at 0x79013a
ispfw: registered firmware <isp_2100>
firmware: 'isp_2200' version 1: 77214 bytes loaded at 0x7a2d1c
ispfw: registered firmware <isp_2200>
firmware: 'isp_2300' version 1: 106640 bytes loaded at 0x7b5aba
ispfw: registered firmware <isp_2300>
firmware: 'isp_2322' version 1: 120466 bytes loaded at 0x7cfb4a
ispfw: registered firmware <isp_2322>
firmware: 'isp_2400' version 1: 178924 bytes loaded at 0x7f0d44
ispfw: registered firmware <isp_2400>
firmware: 'isp_2400_multi' version 1: 195276 bytes loaded at 0x829788
ispfw: registered firmware <isp_2400_multi>
firmware: 'isp_2500' version 1: 141884 bytes loaded at 0x866c84
ispfw: registered firmware <isp_2500>
firmware: 'isp_2500_multi' version 1: 166508 bytes loaded at 0x8987d8
ispfw: registered firmware <isp_2500_multi>
kbd0 at kbdmux0
nfslock: pseudo-device
mem: <memory>
null: <null device, zero device>
random: <entropy source, Software, Yarrow>
openfirm: <Open Firmware control device>
sc: sc0 already exists; skipping it
nexus0: <Open Firmware Nexus device>
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <ibm,serial>, type serial (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <chosen>, type (unknown) (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <packages>, type (unknown) (no driver attached)
cpulist0: <Open Firmware CPU Group> on nexus0
cpu0: <Open Firmware CPU> on cpulist0
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <memory>, type memory (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <ibm,dynamic-reconfiguration-memory>, type (unknown) (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <options>, type (unknown) (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <aliases>, type (unknown) (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <openprom>, type (unknown) (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <ibm,bsr>, type ibm,bsr (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <event-sources>, type (unknown) (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <interrupt-controller>, type PowerPC-External-Interrupt-Presentation (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <interrupt-controller>, type PowerPC-LSI-Source (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <interrupt-controller>, type PowerPC-LSI-Source (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <interrupt-controller>, type PowerPC-LSI-Source (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <rtas>, type (unknown) (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <vdevice>, type vdevice (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <pci>, type pci (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <pci>, type pci (no driver attached)
sc1: no video adapter found.
sc1: no video adapter found.
nexus0: <pci>, type pci (no driver attached)
sc0: no video adapter found.
sc0: no video adapter found.
nexus0: <sc>, type (unknown) (no driver attached)
panic: no PIC detected

cpuid = 0
KDB: enter: panic
[ thread pid 0 tid 100000 ]
Stopped at      0x41252c:       ld      r2, r1, 0x28,
db>