LOR if_wi.c:601 vm_map.c:2994 and PANIC

Hello
FYI
FreeBSD 6.0-CURRENT #0: Sat Dec 11 19:33:47 CET 2004

if you need more info , write me.
thanks
Jiri

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net.inet.ip.process_options: 1 -> 0
net.inet.ip.random_id: 0 -> 1
lock order reversal
  1st 0xc160ac64 wi1 (network driver) _at_ /usr/src/sys/dev/wi/if_wi.c:601
  2nd 0xc080c824 user map (user map) _at_ /usr/src/sys/vm/vm_map.c:2994
KDB: stack backtrace:
witness_checkorder(c080c824,9,c078b23a,bb2,cbcf2b04) at witness_checkorder+0x500
_sx_xlock(c080c824,c078b23a,bb2,1000001,cbcf2b04) at _sx_xlock+0x3a
vm_map_lookup(cbcf2b04,0,1,cbcf2b08,cbcf2af8,cbcf2afc,cbcf2adf,cbcf2ae0) at vm_map_lookup+0x24
vm_fault(c080c7e0,0,1,0,c1524000) at vm_fault+0x62
trap_pfault(4,4,0,0,246) at trap_pfault+0x126
trap(18,10,10,42b,0) at trap+0x318
calltrap() at calltrap+0x5
--- trap 0xc, eip = 0xc05675ec, esp = 0xcbcf2c0c, ebp = 0xcbcf2c1c ---
_mtx_lock_flags(4,0,c077c384,42b,c1741030) at _mtx_lock_flags+0x24
ieee80211_find_rxnode(c160a254,c1741030,c160a254,8001,cbcf2c78) at ieee80211_find_rxnode+0x43
wi_intr(c160a000,0,0,c15239d8,0) at wi_intr+0xdb9
ithread_loop(c1541780,cbcf2d48,c1541780,c055ccb4,0) at ithread_loop+0x19e
fork_exit(c055ccb4,c1541780,cbcf2d48) at fork_exit+0x7e
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xcbcf2d7c, ebp = 0 ---


Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x4
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc05675ec
stack pointer           = 0x10:0xcbcf2c0c
frame pointer           = 0x10:0xcbcf2c1c
code segment            = base 0x0, limit 0xfffff, type 0x1b
                         = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 23 (irq12: wi1 fxp0)
[thread pid 23 tid 100020 ]
Stopped at      _mtx_lock_flags+0x24:   cmpl    $0xc07bc964,0(%ebx)

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