8.1-Current installation panic

All,
I get a panic while installing freeBSD 8.1-CURRENT on IA64 integrity server.
It seems that there is something about the logical processors which it's not liking.
On the EFI when I run cpuconfig , it shows two processor modules ( ID 0 and 1 ) and
For each processor module it show 2 logical processors. Any idea as to how to get
past this.


FreeBSD/ia64 EFI boot, Revision 1.2
(root_at_hob.lan.xcllnt.net, Sat Jul  4 19:14:26 UTC 2009)
Loading /boot/defaults/loader.conf 
/boot/kernel/kernel data=0xcf9690+0x1df6e0 syms=[0x8+0x97638+0x8+0x8bea3]
/
Hit [Enter] to boot immediately, or any other key for command prompt.
Booting [/boot/kernel/kernel]...               
Entering /boot/kernel/kernel at 0xe000000004080000...
GDB: debug ports: uart
GDB: current port: uart
KDB: debugger backends: ddb gdb
KDB: current backend: ddb
Copyright (c) 1992-2009 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 8.0-BETA1 #0: Sat Jul  4 22:13:00 UTC 2009
    root_at_hob.lan.xcllnt.net:/usr/obj/usr/src/sys/GENERIC
WARNING: WITNESS option enabled, expect reduced performance.
CPU: Montecito (1594.67-Mhz Itanium 2)
  Origin = "GenuineIntel"  Revision = 7
  Features = 0x5<LB,AO>
real memory  = 17142800384 (16348 MB)
avail memory = 16320004096 (15563 MB)
FPSWA Revision = 0x10012, Entry = 0xe00000003e6e2050
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
cpu0: SAPIC Id=0, SAPIC Eid=0 (BSP)
cpu2: SAPIC Id=2, SAPIC Eid=0
panic: Built bad topology at 0xe000000004d27440.  CPU mask 0xF != 0x5
cpuid = 0
KDB: enter: panic
[thread pid 0 tid 100000 ]
Stopped at      kdb_enter+0x92: [I2]    addl r14=0xffffffffffe2aca0,gp ;;
db> 

Thanks
Sukhjinder Hayer