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From: John Baldwin <jhb@FreeBSD.org>
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Date: Thu, 6 Jan 2005 13:59:42 -0500
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cc: sam@FreeBSD.org
cc: Jiri Mikulas <konfer@mikulas.com>
Subject: Re: LOR if_wi.c:601 vm_map.c:2994 and PANIC
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On Saturday 11 December 2004 07:13 pm, Jiri Mikulas wrote:
> 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 ---

The problem is in ieee80211_find_rxnode(), and it's basically followed a NULL 
pointer.  If you still have the kernel.debug for this kernel around and 
haven't updated your sources, can you run gdb on your kernel.debug and do
'l *ieee80211_find_rxnode+0x43'?

-- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org