GDB: no debug ports present
KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2007 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 7.0-CURRENT #0: Sun May 27 14:04:10 CEST 2007
    pho@crashbox.osted.lan:/usr/src/sys/i386/compile/GENERIC
WARNING: WITNESS option enabled, expect reduced performance.
module_register(nexus/acpi)
module_register(acpi/acpi_button)
module_register(acpi/acpi_isab)
module_register(pcib/acpi_pci)
module_register(acpi/acpi_pcib)
module_register(pci/acpi_pcib)
module_register(acpi/acpi_sysresource)
module_register(acpi/acpi_timer)
module_register(acpi/acpi_pci_link)
module_register(acpi/acpi_tz)
module_register(acpi/acpi_acad)
module_register(acpi/acpi_cmbat)
module_register(acpi/cpu)
module_register(acpi/acpi_ec)
module_register(acpi/acpi_hpet)
module_register(acpi/acpi_lid)
module_register(cpu/acpi_perf)
module_register(acpi/acpi_smbat)
module_register(cpu/acpi_throttle)
module_register(cam)
module_register(probe)
module_register(xpt)
module_register(cd)
module_register(ch)
module_register(da)
module_register(scsi_low)
module_register(pass)
module_register(sa)
module_register(ses)
module_register(aac/aacp)
module_register(aac/aacd)
module_register(pci/aacch)
module_register(pci/aac)
module_register(eisa/adv)
module_register(pci/adv)
module_register(pci/adw)
module_register(isa/aha)
module_register(eisa/ahb)
module_register(pccard/aic)
module_register(eisa/ahc_eisa)
module_register(isa/ahc_isa)
module_register(cardbus/ahc_pci)
module_register(pci/ahc_pci)
module_register(cardbus/ahd)
module_register(pci/ahd)
module_register(ahd)
module_register(ahc)
module_register(pci/amd)
module_register(amr/amrd)
module_register(pci/amr)
module_register(isa/an)
module_register(pccard/an)
module_register(pci/an)
module_register(pci/asr)
module_register(ata)
module_register(pccard/ata)
module_register(ata/ad)
module_register(isa/ata)
module_register(atapci/ata)
module_register(pci/atapci)
module_register(ataraid)
module_register(ad/subdisk)
module_register(ata/acd)
module_register(ata/afd)
module_register(ata/ast)
module_register(ath_hal)
module_register(ath_rate)
module_register(cardbus/if_ath)
module_register(pci/if_ath)
module_register(pccard/awi)
module_register(bce/miibus)
module_register(pci/bce)
module_register(bfe/miibus)
module_register(pci/bfe)
module_register(bge/miibus)
module_register(pci/bge)
module_register(eisa/bt)
module_register(isa/bt)
module_register(pci/bt)
module_register(cbb/cardbus)
module_register(pci/ciss)
module_register(isa/cs)
module_register(pccard/cs)
module_register(dc/miibus)
module_register(pci/dc)
module_register(cardbus/dc)
module_register(miibus/dcphy)
module_register(miibus/pnphy)
module_register(pci/de)
module_register(eisa/dpt)
module_register(pci/dpt)
module_register(ed/miibus)
module_register(pccard/ed)
module_register(pci/ed)
module_register(legacy/eisa)
module_register(eisab/eisa)
module_register(eisa/mainboard)
module_register(pci/em)
module_register(eisa/ep)
module_register(isa/ep)
module_register(pccard/ep)
module_register(isa/ex)
module_register(pccard/ex)
module_register(exca)
module_register(pccard/fe)
module_register(fwohci/firewire)
module_register(cardbus/fwohci)
module_register(pci/fwohci)
module_register(firewire/fwe)
module_register(firewire/sbp)
module_register(fxp/miibus)
module_register(cardbus/fxp)
module_register(pci/fxp)
module_register(ida/idad)
module_register(eisa/ida)
module_register(pci/ida)
module_register(isa/ie_SL)
module_register(isa/ie_EE16)
module_register(isa/ie_3C507)
module_register(pci/iir)
module_register(ips/ipsd)
module_register(pci/ips)
module_register(pci/isp)
module_register(pci/if_ixgb)
module_register(kbdmux)
module_register(pci/le)
module_register(lge/miibus)
module_register(pci/lge)
module_register(g_md)
module_register(mem)
module_register(pci/mfi)
module_register(mfi/mfid)
module_register(miibus/acphy)
module_register(miibus/amphy)
module_register(miibus/bmtphy)
module_register(miibus/brgphy)
module_register(miibus/ciphy)
module_register(miibus/e1000phy)
module_register(miibus/xlphy)
module_register(miibus/gentbi)
module_register(miibus/inphy)
module_register(miibus/ip1000phy)
module_register(miibus/lxtphy)
module_register(miibus/mlphy)
module_register(miibus/nsgphy)
module_register(miibus/nsphy)
module_register(miibus/pnaphy)
module_register(miibus/qsphy)
module_register(miibus/rgephy)
module_register(miibus/rlphy)
module_register(miibus/ruephy)
module_register(miibus/tdkphy)
module_register(miibus/tlphy)
module_register(miibus/ukphy)
module_register(miibus/xmphy)
module_register(mlx/mlxd)
module_register(pci/mlx)
module_register(pci/mly)
module_register(mpt_core)
module_register(mpt_cam)
module_register(pci/mpt)
module_register(mpt_raid)
module_register(msk/miibus)
module_register(mskc/msk)
module_register(pci/mskc)
module_register(pccard/ncv)
module_register(nge/miibus)
module_register(pci/nge)
module_register(pccard/nsp)
module_register(null)
module_register(cbb/pccard)
module_register(pcic/pccard)
module_register(isa/cbb)
module_register(pci/cbb)
module_register(pci/eisab)
module_register(pci/fixup_pci)
module_register(pci/hostb)
module_register(pci/ignore_pci)
module_register(pci/isab)
module_register(pcib/pci)
module_register(pci/pcib)
module_register(pci/vgapci)
module_register(ppbus/plip)
module_register(ppbus/lpt)
module_register(ppc/ppbus)
module_register(ppbus/ppi)
module_register(isa/ppc)
module_register(pci/ppc)
module_register(pci/pstpci)
module_register(pstpci/pst)
module_register(cardbus/ral)
module_register(pci/ral)
module_register(random)
module_register(re/miibus)
module_register(cardbus/re)
module_register(pci/re)
module_register(sk/miibus)
module_register(skc/sk)
module_register(pci/skc)
module_register(isa/sn)
module_register(pccard/sn)
module_register(isa/stg)
module_register(pccard/stg)
module_register(pci/stg)
module_register(stge/miibus)
module_register(pci/stge)
module_register(pci/sym)
module_register(pci/ti)
module_register(pci/trm)
module_register(pci/twa)
module_register(twe/twed)
module_register(pci/twe)
module_register(tx/miibus)
module_register(pci/tx)
module_register(pci/txp)
module_register(isa/uart)
module_register(pccard/uart)
module_register(cardbus/uart)
module_register(pci/uart)
module_register(cardbus/ehci)
module_register(pci/ehci)
module_register(aue/miibus)
module_register(uhub/aue)
module_register(axe/miibus)
module_register(uhub/axe)
module_register(uhub/cdce)
module_register(uhub/cue)
module_register(uhub/kue)
module_register(uhub/ural)
module_register(rue/miibus)
module_register(uhub/rue)
module_register(uhub/rum)
module_register(cardbus/ohci)
module_register(pci/ohci)
module_register(uhub/ugen)
module_register(cardbus/uhci)
module_register(pci/uhci)
module_register(uhub/uhid)
module_register(uhub/uhub)
module_register(usb/uhub)
module_register(uhub/ukbd)
module_register(uhub/ulpt)
module_register(uhub/umass)
module_register(uhub/ums)
module_register(uhub/urio)
module_register(slhci/usb)
module_register(ehci/usb)
module_register(uhci/usb)
module_register(ohci/usb)
module_register(uhub/uscanner)
module_register(vge/miibus)
module_register(cardbus/vge)
module_register(pci/vge)
module_register(eisa/vx)
module_register(pci/vx)
module_register(watchdog)
module_register(pccard/wi)
module_register(pci/wi)
module_register(pccard/xe)
module_register(devfs)
module_register(msdosfs)
module_register(procfs)
module_register(pseudofs)
module_register(g_dev)
module_register(g_disk)
module_register(g_vfs)
module_register(g_label)
module_register(g_part)
module_register(eisab/isa)
module_register(isab/isa)
module_register(isa/isahint)
module_register(isa/orm)
module_register(isa/pnp)
module_register(cd9660)
module_register(elf32)
module_register(shell)
module_register(cpu/cpufreq)
module_register(rootbus)
module_register(firmware)
module_register(sysvmsg)
module_register(msgrcv)
module_register(msgsnd)
module_register(msgget)
module_register(msgctl)
module_register(msgsys)
module_register(sysvsem)
module_register(semop)
module_register(semget)
module_register(__semctl)
module_register(semsys)
module_register(sysvshm)
module_register(shmget)
module_register(shmdt)
module_register(shmctl)
module_register(shmat)
module_register(shmsys)
module_register(ether)
module_register(if_faith)
module_register(if_gif)
module_register(loop)
module_register(if_ppp)
module_register(if_sl)
module_register(if_tun)
module_register(wlan_amrr)
module_register(wlan_ccmp)
module_register(wlan_tkip)
module_register(wlan_wep)
module_register(wlan)
module_register(nfs4)
module_register(nfs)
module_register(nfslock)
module_register(nfsserver)
module_register(pcn/miibus)
module_register(pci/pcn)
module_register(rl/miibus)
module_register(cardbus/rl)
module_register(pci/rl)
module_register(sf/miibus)
module_register(pci/sf)
module_register(sis/miibus)
module_register(pci/sis)
module_register(ste/miibus)
module_register(pci/ste)
module_register(tl/miibus)
module_register(pci/tl)
module_register(vr/miibus)
module_register(pci/vr)
module_register(wb/miibus)
module_register(pci/wb)
module_register(xl/miibus)
module_register(pci/xl)
module_register(cardbus/xl)
module_register(ufs)
module_register(g_class)
module_register(isa/adv)
module_register(isa/aic)
module_register(pci/arcmsr)
module_register(atkbdc/atkbd)
module_register(acpi/atkbdc)
module_register(isa/atkbdc)
module_register(acpi/psmcpnp)
module_register(isa/psmcpnp)
module_register(atkbdc/psm)
module_register(isa/ed)
module_register(fdc/fd)
module_register(acpi/fdc)
module_register(isa/fdc)
module_register(pccard/fdc)
module_register(isa/fe)
module_register(pci/hptmv)
module_register(io)
module_register(isa/le)
module_register(nve/miibus)
module_register(pci/nve)
module_register(pci/rr232x)
module_register(acpi/sio)
module_register(isa/sio)
module_register(pccard/sio)
module_register(cardbus/sio)
module_register(pci/sio)
module_register(scterm-sc)
module_register(scrndr-vga)
module_register(g_bsd)
module_register(g_mbrext)
module_register(g_mbr)
module_register(isa/pnpbios)
module_register(nexus/apic)
module_register(pci/ioapic)
module_register(legacy/cpu)
module_register(nexus/legacy)
module_register(pci/piix)
module_register(pci/mptable_pcib)
module_register(legacy/mptable_pcib)
module_register(isa/sysresource)
module_register(nexus/ram)
module_register(root/nexus)
module_register(acpi/atpic)
module_register(isa/atpic)
module_register(acpi/attimer)
module_register(isa/attimer)
module_register(elink)
module_register(legacy/isa)
module_register(acpi/atdma)
module_register(isa/atdma)
module_register(acpi/npxisa)
module_register(isa/npxisa)
module_register(nexus/npx)
module_register(isa/pmtimer)
module_register(pci/pcibios_pcib)
module_register(isa/pcibus_pnp)
module_register(legacy/pcib)
module_register(legacy/pir)
module_register(isa/sc)
module_register(isa/vga)
module_register(hostb/agp_ali)
module_register(hostb/agp_amd)
module_register(hostb/agp_amd64)
module_register(hostb/agp_ati)
module_register(vgapci/agp_i810)
module_register(hostb/agp_intel)
module_register(hostb/agp_nvidia)
module_register(hostb/agp_sis)
module_register(hostb/agp_via)
ACPI APIC Table: <A M I  OEMAPIC >
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) XEON(TM) CPU 1.80GHz (1799.81-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0xf24  Stepping = 4
  Features=0x3febfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM>
  Logical CPUs per core: 2
real memory  = 1073676288 (1023 MB)
avail memory = 1037094912 (989 MB)
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  1
 cpu2 (AP): APIC ID:  6
 cpu3 (AP): APIC ID:  7
ioapic0 <Version 2.0> irqs 0-23 on motherboard
ioapic1 <Version 2.0> irqs 24-47 on motherboard
ioapic2 <Version 2.0> irqs 48-71 on motherboard
kbd1 at kbdmux0
ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
acpi0: <A M I OEMRSDT> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, 3ff00000 (3) failed
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
cpu0: <ACPI CPU> on acpi0
acpi_throttle0: <ACPI CPU Throttling> on cpu0
cpu1: <ACPI CPU> on acpi0
cpu2: <ACPI CPU> on acpi0
cpu3: <ACPI CPU> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> at device 2.0 on pci0
pci2: <ACPI PCI bus> on pcib1
pcib2: <ACPI PCI-PCI bridge> at device 29.0 on pci2
pci4: <ACPI PCI bus> on pcib2
em0: <Intel(R) PRO/1000 Network Connection Version - 6.5.2> port 0xdc80-0xdc9f mem 0xfe9e0000-0xfe9fffff,0xfe9d0000-0xfe9dffff irq 48 at device 1.0 on pci4
em0: Ethernet address: 00:e0:81:21:00:d8
em0: [FILTER]
pcib3: <ACPI PCI-PCI bridge> at device 31.0 on pci2
pci3: <ACPI PCI bus> on pcib3
uhci0: <Intel 82801CA/CAM (ICH3) USB controller USB-A> port 0xec00-0xec1f irq 16 at device 29.0 on pci0
uhci0: [GIANT-LOCKED]
uhci0: [ITHREAD]
usb0: <Intel 82801CA/CAM (ICH3) USB controller USB-A> on uhci0
usb0: USB revision 1.0
uhub0: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb0
uhub0: 2 ports with 2 removable, self powered
pcib4: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci1: <ACPI PCI bus> on pcib4
vgapci0: <VGA-compatible display> port 0xcc00-0xccff mem 0xfd000000-0xfdffffff,0xfe7ff000-0xfe7fffff irq 18 at device 2.0 on pci1
fxp0: <Intel 82550 Pro/100 Ethernet> port 0xc880-0xc8bf mem 0xfe7fe000-0xfe7fefff,0xfe7a0000-0xfe7bffff irq 17 at device 3.0 on pci1
miibus0: <MII bus> on fxp0
inphy0: <i82555 10/100 media interface> PHY 1 on miibus0
inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fxp0: Ethernet address: 00:e0:81:21:00:d7
fxp0: [ITHREAD]
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH3 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xffa0-0xffaf at device 31.1 on pci0
ata0: <ATA channel 0> on atapci0
ata0: [ITHREAD]
ata1: <ATA channel 1> on atapci0
ata1: [ITHREAD]
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
acpi_button0: <Power Button> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbd0: [ITHREAD]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: [ITHREAD]
psm0: model VersaPad, device ID 0
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A, console
sio0: [FILTER]
sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
sio1: [FILTER]
fdc0: <floppy drive controller (FDE)> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on acpi0
fdc0: [FILTER]
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 0xc0000-0xc7fff,0xc8000-0xc97ff,0xc9800-0xcafff pnpid ORM0000 on isa0
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
ppc0: [GIANT-LOCKED]
ppc0: [ITHREAD]
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounters tick every 1.000 msec
if_tun not found in:
nexus/acpi
acpi/acpi_button
acpi/acpi_isab
pcib/acpi_pci
acpi/acpi_pcib
pci/acpi_pcib
acpi/acpi_sysresource
acpi/acpi_timer
acpi/acpi_pci_link
acpi/acpi_tz
acpi/acpi_acad
acpi/acpi_cmbat
acpi/cpu
acpi/acpi_ec
acpi/acpi_hpet
acpi/acpi_lid
cpu/acpi_perf
acpi/acpi_smbat
cpu/acpi_throttle
cam
probe
xpt
cd
ch
da
scsi_low
pass
sa
ses
aac/aacp
aac/aacd
pci/aacch
pci/aac
eisa/adv
pci/adv
pci/adw
isa/aha
eisa/ahb
pccard/aic
eisa/ahc_eisa
isa/ahc_isa
cardbus/ahc_pci
pci/ahc_pci
cardbus/ahd
pci/ahd
ahd
ahc
pci/amd
amr/amrd
pci/amr
isa/an
pccard/an
pci/an
pci/asr
ata
pccard/ata
ata/ad
isa/ata
atapci/ata
pci/atapci
ataraid
ad/subdisk
ata/acd
ata/afd
ata/ast
ath_hal
ath_rate
cardbus/if_ath
pci/if_ath
pccard/awi
bce/miibus
pci/bce
bfe/miibus
pci/bfe
bge/miibus
pci/bge
eisa/bt
isa/bt
pci/bt
cbb/cardbus
pci/ciss
isa/cs
pccard/cs
dc/miibus
pci/dc
cardbus/dc
miibus/dcphy
miibus/pnphy
pci/de
eisa/dpt
pci/dpt
ed/miibus
pccard/ed
pci/ed
legacy/eisa
eisab/eisa
eisa/mainboard
pci/em
eisa/ep
isa/ep
pccard/ep
isa/ex
pccard/ex
exca
pccard/fe
fwohci/firewire
cardbus/fwohci
pci/fwohci
firewire/fwe
firewire/sbp
fxp/miibus
cardbus/fxp
pci/fxp
ida/idad
eisa/ida
pci/ida
isa/ie_SL
isa/ie_EE16
isa/ie_3C507
pci/iir
ips/ipsd
pci/ips
pci/isp
pci/if_ixgb
kbdmux
pci/le
lge/miibus
pci/lge
g_md
mem
pci/mfi
mfi/mfid
miibus/acphy
miibus/amphy
miibus/bmtphy
miibus/brgphy
miibus/ciphy
miibus/e1000phy
miibus/xlphy
miibus/gentbi
miibus/inphy
miibus/ip1000phy
miibus/lxtphy
miibus/mlphy
miibus/nsgphy
miibus/nsphy
miibus/pnaphy
miibus/qsphy
miibus/rgephy
miibus/rlphy
miibus/ruephy
miibus/tdkphy
miibus/tlphy
miibus/ukphy
miibus/xmphy
mlx/mlxd
pci/mlx
pci/mly
mpt_core
mpt_cam
pci/mpt
mpt_raid
msk/miibus
mskc/msk
pci/mskc
pccard/ncv
nge/miibus
pci/nge
pccard/nsp
null
cbb/pccard
pcic/pccard
isa/cbb
pci/cbb
pci/eisab
pci/fixup_pci
pci/hostb
pci/ignore_pci
pci/isab
pcib/pci
pci/pcib
pci/vgapci
ppbus/plip
ppbus/lpt
ppc/ppbus
ppbus/ppi
isa/ppc
pci/ppc
pci/pstpci
pstpci/pst
cardbus/ral
pci/ral
random
re/miibus
cardbus/re
pci/re
sk/miibus
skc/sk
pci/skc
isa/sn
pccard/sn
isa/stg
pccard/stg
pci/stg
stge/miibus
pci/stge
pci/sym
pci/ti
pci/trm
pci/twa
twe/twed
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tx/miibus
pci/tx
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isa/uart
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cardbus/uart
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aue/miibus
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axe/miibus
uhub/axe
uhub/cdce
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uhub/ural
rue/miibus
uhub/rue
uhub/rum
cardbus/ohci
pci/ohci
uhub/ugen
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pci/uhci
uhub/uhid
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usb/uhub
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uhub/ums
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slhci/usb
ehci/usb
uhci/usb
ohci/usb
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hostb/agp_ati
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hostb/agp_sis
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panic: module_register_init: module named if_tun not found

cpuid = 0
KDB: enter: panic
[thread pid 0 tid 0 ]
Stopped at      kdb_enter+0x32: leave
db> bt
Tracing pid 0 tid 0 td 0xc0b19140
kdb_enter(c0a18193,0,c0a16e19,c1020d50,0,...) at kdb_enter+0x32
panic(c0a16e19,c0a24e23,76,75,c1020d6c,...) at panic+0x148
module_register_init(c0acfb0c,101ec00,101ec00,101e000,1028000,...) at module_register_init+0x18e
mi_startup() at mi_startup+0x96
begin() at begin+0x2c
db> reset

diff -u -r1.52 kern_module.c
--- kern_module.c       4 Mar 2007 22:36:46 -0000       1.52
+++ kern_module.c       27 May 2007 12:56:24 -0000
@@ -117,6 +117,13 @@
        mtx_lock(&Giant);
        MOD_SLOCK;
        mod = module_lookupbyname(data->name);
+       if (mod == NULL) {
+               printf("%s not found in:\n", data->name);
+               TAILQ_FOREACH(mod, &modules, link) {
+                       printf("%s\n", mod->name); /* PHO */
+               }
+               mod = NULL;
+       }
        if (mod == NULL)
                panic("module_register_init: module named %s not found\n",
                    data->name);
@@ -148,6 +155,7 @@
                    data->name);
                return (EEXIST);
        }
+       printf("module_register(%s)\n", data->name); /* PHO */
        namelen = strlen(data->name) + 1;
        newmod = malloc(sizeof(struct module) + namelen, M_MODULE, M_WAITOK);
        if (newmod == NULL) {
@@ -186,6 +194,7 @@

        MOD_XLOCK_ASSERT;

+       printf("module_release(%s)\n", mod->name); /* PHO */
        if (mod->refs <= 0)
                panic("module_release: bad reference count");

$ nm /boot/kernel/* | grep if_tun
/boot/kernel/if_tun.ko:
00004130 r __set_modmetadata_set_sym__mod_metadata_md_if_tun
0000413c r __set_sysctl_set_sym_sysctl___debug_if_tun_debug
00004124 r __set_sysinit_set_sym_if_tunmodule_sys_init
000052d4 d _mod_metadata_md_if_tun
000052c4 d if_tunmodule_sys_init
00005380 d sysctl___debug_if_tun_debug
/boot/kernel/if_tun.ko.symbols:
00004130 b __set_modmetadata_set_sym__mod_metadata_md_if_tun
0000413c b __set_sysctl_set_sym_sysctl___debug_if_tun_debug
00004124 b __set_sysinit_set_sym_if_tunmodule_sys_init
000052d4 d _mod_metadata_md_if_tun
000052c4 d if_tunmodule_sys_init
00005380 d sysctl___debug_if_tun_debug
c0a47b88 r __set_modmetadata_set_sym__mod_metadata_md_if_tun
c0a45afc r __set_sysctl_set_sym_sysctl___debug_if_tun_debug
c0a46c28 r __set_sysinit_set_sym_if_tunmodule_sys_init
c0acfa14 d _mod_metadata_md_if_tun
c0acfa04 d if_tunmodule_sys_init
c0acfac0 d sysctl___debug_if_tun_debug
c0a47b88 b __set_modmetadata_set_sym__mod_metadata_md_if_tun
c0a45afc b __set_sysctl_set_sym_sysctl___debug_if_tun_debug
c0a46c28 b __set_sysinit_set_sym_if_tunmodule_sys_init
c0acfa14 d _mod_metadata_md_if_tun
c0acfa04 d if_tunmodule_sys_init
c0acfac0 d sysctl___debug_if_tun_debug