ruben @ gloin [~/crash/1]$ cat info.1
Dump header from device /dev/ad4s1b
  Architecture: i386
  Architecture Version: 1
  Dump Length: 123904B (0 MB)
  Blocksize: 512
  Dumptime: Wed May 25 21:18:08 2011
  Hostname: ************
  Magic: FreeBSD Text Dump
  Version String: FreeBSD 8.1-RELEASE-p3 #1: Sat May 21 21:37:11 EDT 2011
    sullrich@FreeBSD_8.0_pfSense_2.0-snaps.pfsense.org:/usr/obj.pfSense/usr/pfSensesrc/src/sys/pfSense_SMP.8
  Panic String: vm_fault: fault on nofault entry, addr: c1963000
  Dump Parity: 2744902240
  Bounds: 1
  Dump Status: good
ruben @ gloin [~/crash/1]$ cat panic.txt
vm_fault: fault on nofault entry, addr: c1963000
ruben @ gloin [~/crash/1]$ cat version.txt
FreeBSD 8.1-RELEASE-p3 #1: Sat May 21 21:37:11 EDT 2011
    sullrich@FreeBSD_8.0_pfSense_2.0-snaps.pfsense.org:/usr/obj.pfSense/usr/pfSensesrc/src/sys/pfSense_SMP.8
ruben @ gloin [~/crash/1]$

From ddb.txt:

db:0:kdb.enter.panic>  run lockinfo
db:1:lockinfo> show locks
No such command
db:1:locks>  show alllocks
No such command
db:1:alllocks>  show lockedvnods
Locked vnodes
db:0:kdb.enter.panic>  show pcpu
cpuid        = 1
dynamic pcpu    = 0x46d6400
curthread    = 0xc5fee780: pid 12 "irq257: bge1"
curpcb       = 0xc5b4fd90
fpcurthread  = none
idlethread   = 0xc5d8f500: pid 11 "idle: cpu1"
APIC ID      = 1
currentldt   = 0x50
db:0:kdb.enter.panic>  bt
Tracing pid 12 tid 64052 td 0xc5fee780
kdb_enter(c0ecab67,c0ecab67,c0eee931,c5b4f90c,1,...) at kdb_enter+0x3a
panic(c0eee931,c1963000,1,c5b4fa34,c5b4fa24,...) at panic+0x136
vm_fault(c1d90000,c1963000,1,0,c09ff935,...) at vm_fault+0x197
trap_pfault(c1d7f390,1,0,c6917200,c5d8d7f8,...) at trap_pfault+0x20e
trap(c5b4fb50) at trap+0x46a
calltrap() at calltrap+0x6
--- trap 0xc, eip = 0xc0db1b9a, esp = 0xc5b4fb90, ebp = 0xc5b4fbd4 ---
bus_dmamap_load_mbuf_sg(c6004600,0,c6ea9c00,c5b4fc00,c5b4fc08,...) at bus_dmamap_load_mbuf_sg+0x10a
bge_newbuf_std(c5fc2800,c6917200,c0a33d20,c1325f3c,28,...) at bge_newbuf_std+0xa2
bge_rxeof(c5b4fcc4,c0db522f,c1325b00,8,1,...) at bge_rxeof+0x29a
bge_intr(c5ffd000,0,109,c4189130,1864b,...) at bge_intr+0x172
intr_event_execute_handlers(c5d8d7f8,c5fecc00,c0ec74b7,52d,c5fecc70,...) at intr_event_execute_handlers+0x14b
ithread_loop(c6002100,c5b4fd38,8e407,0,0,...) at ithread_loop+0x6b
fork_exit(c09e9d80,c6002100,c5b4fd38) at fork_exit+0x91
fork_trampoline() at fork_trampoline+0x8
--- trap 0, eip = 0, esp = 0xc5b4fd70, ebp = 0 ---