lock order reversal:
 1st 0xffffff800030b018 iwn0_com_lock (iwn0_com_lock) @ /usr/src/sys/net80211/ieee80211_proto.c:1082
 2nd 0xffffff80002f1080 iwn0 (network driver) @ /usr/src/sys/modules/iwn/../../dev/iwn/if_iwn.c:2845
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
_witness_debugger() at _witness_debugger+0x2e
witness_checkorder() at witness_checkorder+0x81e
_mtx_lock_flags() at _mtx_lock_flags+0x78
iwn_wme_update() at iwn_wme_update+0xa3
ieee80211_wme_updateparams_locked() at ieee80211_wme_updateparams_locked+0xef
ieee80211_wme_updateparams() at ieee80211_wme_updateparams+0x52
ieee80211_wme_initparams() at ieee80211_wme_initparams+0x1d9
ieee80211_sta_join1() at ieee80211_sta_join1+0xb0
setmlme_assoc() at setmlme_assoc+0x70
ieee80211_ioctl_setmlme() at ieee80211_ioctl_setmlme+0x91
ieee80211_ioctl_set80211() at ieee80211_ioctl_set80211+0xaaa
in_control() at in_control+0x1ff
ifioctl() at ifioctl+0xfc1
kern_ioctl() at kern_ioctl+0xc5
ioctl() at ioctl+0xfd
syscall() at syscall+0x1af
Xfast_syscall() at Xfast_syscall+0xe1

--- syscall (54, FreeBSD ELF64, ioctl), rip = 0x800c95f7c, rsp = 0x7fffffffde18, rbp = 0x2a ---
wlan0: link state changed to UP
lagg0: link state changed to UP
iwn0: need multicast update callback
iwn0: need multicast update callback
iwn0: need multicast update callback
drm0: <Intel i965GM> on vgapci0
vgapci0: attempting to allocate 1 MSI vectors (1 supported)
msi: routing MSI IRQ 259 to local APIC 0 vector 48
vgapci0: using IRQ 259 for MSI
info: [drm] MSI enabled 1 message(s)
vgapci0: child drm0 requested pci_enable_busmaster
info: [drm] AGP at 0xd0000000 256MB
info: [drm] Initialized i915 1.6.0 20080730
drm0: [MPSAFE]
drm0: [ITHREAD]
lock order reversal:
 1st 0xffffff80293247d0 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:2559
 2nd 0xffffff0008df0c00 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:285
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
_witness_debugger() at _witness_debugger+0x2e
witness_checkorder() at witness_checkorder+0x81e
_sx_xlock() at _sx_xlock+0x55
ufsdirhash_acquire() at ufsdirhash_acquire+0x33
ufsdirhash_add() at ufsdirhash_add+0x19
ufs_direnter() at ufs_direnter+0x88b
ufs_makeinode() at ufs_makeinode+0x2a7
VOP_CREATE_APV() at VOP_CREATE_APV+0x8d
vn_open_cred() at vn_open_cred+0x468
kern_openat() at kern_openat+0x179
syscall() at syscall+0x1af
Xfast_syscall() at Xfast_syscall+0xe1
--- syscall (5, FreeBSD ELF64, open), rip = 0x804a1edfc, rsp = 0x7fffffff69d8, rbp = 0x8 ---
wlan0: link state changed to DOWN
lagg0: link state changed to DOWN
wlan0: link state changed to UP
lagg0: link state changed to UP
wlan0: link state changed to DOWN
lagg0: link state changed to DOWN
wlan0: link state changed to UP
lagg0: link state changed to UP
acpi_lid0: Lid closed
lagg0: link state changed to DOWN
wlan0: link state changed to DOWN
lock order reversal:
 1st 0xffffffff80c1cb60 kernel linker (kernel linker) @ /usr/src/sys/kern/kern_linker.c:1068
 2nd 0xffffffff80c1f160 sysctl lock (sysctl lock) @ /usr/src/sys/kern/kern_sysctl.c:256
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2a
_witness_debugger() at _witness_debugger+0x2e
witness_checkorder() at witness_checkorder+0x81e
_sx_xlock() at _sx_xlock+0x55
sysctl_ctx_free() at sysctl_ctx_free+0x2a
ieee80211_sysctl_vdetach() at ieee80211_sysctl_vdetach+0x1a
ieee80211_vap_detach() at ieee80211_vap_detach+0x1a6
iwn_vap_delete() at iwn_vap_delete+0x20
ifc_simple_destroy() at ifc_simple_destroy+0x2a
if_clone_destroyif() at if_clone_destroyif+0xc0
ieee80211_ifdetach() at ieee80211_ifdetach+0x25
iwn_cleanup() at iwn_cleanup+0x7c
iwn_detach() at iwn_detach+0x9
device_detach() at device_detach+0xa4
driver_module_handler() at driver_module_handler+0x338
module_unload() at module_unload+0x35
linker_file_unload() at linker_file_unload+0x16b
kern_kldunload() at kern_kldunload+0xf3
syscall() at syscall+0x1af
Xfast_syscall() at Xfast_syscall+0xe1
--- syscall (444, FreeBSD ELF64, kldunloadf), rip = 0x80069cedc, rsp = 0x7fffffffe4d8, rbp = 0x4 ---
iwn0: detached
acpi_lid0: wake_prep enabled for \\_SB_.LID0 (S3)
acpi_button0: wake_prep enabled for \\_SB_.SLPB (S3)
bge0: Disabling fastboot
pci0:2:0:0: Transition from D0 to D3
fwohci0: fwohci_pci_suspend
pci0:15:6:1: Transition from D0 to D3
vga0: saving 68 bytes of video state
pci0:0:2:0: Transition from D0 to D3
pci0:0:2:1: Transition from D0 to D3
pci0:0:27:0: Transition from D0 to D3
pci0:0:31:2: Transition from D0 to D3
ct_to_ts([2009-09-12 22:27:55]) = 1252794475.000000000
stray irq259
acpi_lid0: run_prep cleaned up for \\_SB_.LID0
acpi_button0: run_prep cleaned up for \\_SB_.SLPB
ugen0.2: <vendor 0x08ff> at usbus0 (disconnected)
hdac0: GPIO init: data=0x00000000 mask=0x00000000 dir=0x00000000
hdac0: GPIO commit: data=0x00000001 mask=0x00000001 dir=0x00000001
hdac0: Enabling headphone/speaker audio routing switching:
hdac0: 	as=0 sense nid=20 [UNSOL]
hdac0: Pin sense: nid=20 res=0x00000000
bge0: Disabling fastboot
bge0: Disabling fastboot
fwohci0: Phy 1394a available S400, 3 ports.
fwohci0: Link S400, max_rec 2048 bytes.
fwohci0: Initiate bus reset
fwohci0: fwohci_intr_core: BUS resetata0: 
fwohci0: fwohci_intr_core: node_id=0x00000000, SelfID Count=1, CYCLEMASTER mode
firewire0: 1 nodes, maxhop <= 0 cable IRM irm(0)  (me) 
firewire0: bus manager 0 
fwohci0: unrecoverable error
fwohci0: unrecoverable error
reiniting channel ..
ata0: reset tp1 mask=03 ostat0=00 ostat1=01
ata0: stat0=0x00 err=0x01 lsb=0x14 msb=0xeb
ata0: stat1=0x01 err=0x04 lsb=0x00 msb=0x00
ata0: reset tp2 stat0=00 stat1=01 devices=0x10000
acd0: setting PIO4 on ICH8M chip
acd0: setting UDMA33 on ICH8M chip
ata0: reinit done ..
ata2: reiniting channel ..
ata2: AHCI reset...
ata2: hardware reset ...
ata2: SATA connect time=10ms status=00000113
ata2: ready wait time=565ms
ata2: software reset port 0...
ata2: ready wait time=0ms
ata2: SIGNATURE: 00000101
ata2: AHCI reset done: devices=00000001
ata2: reinit done ..
ata3: reiniting channel ..
ata3: AHCI reset...
ata3: hardware reset ...
ata3: SATA connect timeout status=00000004
ata3: AHCI reset done: phy reset found no device
ata3: reinit done ..
ata4: reiniting channel ..
ata4: AHCI reset...
ata4: hardware reset ...
ata4: SATA connect timeout status=00000004
ata4: AHCI reset done: phy reset found no device
ata4: reinit done ..
atkbd: the current kbd controller command byte 0047
atkbd: keyboard ID 0x41ab (2)
kbdc: RESET_KBD return code:00fa
kbdc: RESET_KBD status:00aa
kbdc: TEST_AUX_PORT status:0000
kbdc: RESET_AUX return code:00fa
kbdc: RESET_AUX status:00aa
kbdc: RESET_AUX ID:0000
battery0: 
battery initialization start
ugen0.2: <vendor 0x08ff> at usbus0
pci0: driver added
found->	vendor=0x8086, dev=0x283e, revid=0x04
	domain=0, bus=0, slot=31, func=3
	class=0c-05-00, hdrtype=0x00, mfdev=0
	cmdreg=0x0103, statreg=0x0280, cachelnsz=0 (dwords)
	lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
	intpin=c, irq=19
pci0:0:31:3: reprobing on driver added
pci2: driver added
pci4: driver added
found->	vendor=0x8086, dev=0x4229, revid=0x61
	domain=0, bus=4, slot=0, func=0
	class=02-80-00, hdrtype=0x00, mfdev=0
	cmdreg=0x0506, statreg=0x4010, cachelnsz=16 (dwords)
	lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
	intpin=a, irq=17
	powerspec 3  supports D0 D3  current D0
	MSI supports 1 message, 64 bit
pci0:4:0:0: reprobing on driver added
iwn0: <Intel(R) PRO/Wireless 4965BGN> mem 0xf8000000-0xf8001fff irq 17 at device 0.0 on pci4
pcib2: iwn0 requested memory range 0xf8000000-0xf8001fff: good
iwn0: attempting to allocate 1 MSI vectors (1 supported)
msi: routing MSI IRQ 258 to local APIC 1 vector 54
iwn0: using IRQ 258 for MSI
iwn0: iwn_mem_lock: could not lock memory
iwn0: Reg Domain: \M^?\M^?\M^?\M^?iwn0: iwn_mem_lock: could not lock memory
, address ff:ff:ff:ff:ff:ff
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: [MPSAFE]
iwn0: [ITHREAD]
iwn0: 11a rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
iwn0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
iwn0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
iwn0: 11na MCS: 15Mbps 30Mbps 45Mbps 60Mbps 90Mbps 120Mbps 135Mbps 150Mbps 30Mbps 60Mbps 90Mbps 120Mbps 180Mbps 240Mbps 270Mbps 300Mbps
iwn0: 11ng MCS: 15Mbps 30Mbps 45Mbps 60Mbps 90Mbps 120Mbps 135Mbps 150Mbps 30Mbps 60Mbps 90Mbps 120Mbps 180Mbps 240Mbps 270Mbps 300Mbps
pci6: driver added
pci15: driver added
found->	vendor=0x104c, dev=0x803b, revid=0x00
	domain=0, bus=15, slot=6, func=2
	class=01-80-00, hdrtype=0x00, mfdev=1
	cmdreg=0x0106, statreg=0x0210, cachelnsz=16 (dwords)
	lattimer=0x39 (1710 ns), mingnt=0x07 (1750 ns), maxlat=0x04 (1000 ns)
	intpin=a, irq=22
	powerspec 2  supports D0 D1 D2 D3  current D0
pci0:15:6:2: reprobing on driver added
found->	vendor=0x104c, dev=0x803c, revid=0x00
	domain=0, bus=15, slot=6, func=3
	class=08-05-00, hdrtype=0x00, mfdev=1
	cmdreg=0x0106, statreg=0x0210, cachelnsz=16 (dwords)
	lattimer=0x39 (1710 ns), mingnt=0x07 (1750 ns), maxlat=0x04 (1000 ns)
	intpin=a, irq=22
	powerspec 2  supports D0 D1 D2 D3  current D0
pci0:15:6:3: reprobing on driver added
battery0: battery initialization done, tried 1 times
firmware: 'iwnfw' version 44417: 191332 bytes loaded at 0xffffffff8126b0a0
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_transfer_microcode: could not load boot firmware
iwn0: iwn_transfer_firmware: could not load boot firmware, error 60
iwn0: iwn_init_locked: could not load firmware, error 60
wlan0: bpf attached
wlan0: bpf attached
wlan0: Ethernet address: 00:1d:72:3e:3e:18
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_transfer_microcode: could not load boot firmware
iwn0: iwn_transfer_firmware: could not load boot firmware, error 60
iwn0: iwn_init_locked: could not load firmware, error 60
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_mem_lock: could not lock memory
iwn0: iwn_transfer_microcode: could not load boot firmware
iwn0: iwn_transfer_firmware: could not load boot firmware, error 60
iwn0: iwn_init_locked: could not load firmware, error 60
drm0: [MPSAFE]
drm0: [ITHREAD]