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Date:      Wed, 25 Jan 2006 19:16:42 -0500
From:      Kris Kennaway <kris@obsecurity.org>
To:        Jason <jason@monsterjam.org>
Cc:        stable@freebsd.org
Subject:   Re: crash again.. this time on 6.0
Message-ID:  <20060126001642.GA56120@xor.obsecurity.org>
In-Reply-To: <20060125221538.GB5666@monsterjam.org>
References:  <20060125221538.GB5666@monsterjam.org>

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On Wed, Jan 25, 2006 at 05:15:38PM -0500, Jason wrote:
> Dont know if anyone remember or not, but I had a crash back on freebsd 5.=
4 I believe. I=20
> upgraded to 6.0 and had a crash after 65 days, 23:00:02.
>=20
> but heres the trace from it below.
>=20
> jason@monsterjam jason $ uname -a
> FreeBSD monsterjam.org 6.0-STABLE FreeBSD 6.0-STABLE #0: Sat Nov 19 14:21=
:32 EST 2005    =20
> root@monsterjam.org:/usr/obj/usr/src/sys/BEAST  i386
>=20
> db> trace
> Tracing pid 68153 tid 100298 td 0xc338aa80
> kdb_enter(c0846bdd) at kdb_enter+0x2b
> panic(c0842de7,c0846227,c0845f95,36a,c275b33c) at panic+0x127
> mtx_destroy(c43e5144,0) at mtx_destroy+0x5c
> in_pcbdetach(c43e50b4,c2991000,c2991000,14,e8b4cb3c) at in_pcbdetach+0x1b4
> tcp_close(c2991000,e8b4ca98,1,0,0) at tcp_close+0x94
> tcp_input(c3ec5100,14,c069a5b8,8e103942,0) at tcp_input+0x139b
> ip_input(c3ec5100) at ip_input+0x5a1
> div_output(c28d4b20,c3ec5100,c2609430,0,e8b4cc08) at div_output+0x1ff
> div_send(c28d4b20,0,c3ec5100,c2609430,0) at div_send+0x3f
> sosend(c28d4b20,c2609430,e8b4cc3c,c3ec5100,0) at sosend+0x5e3
> kern_sendit(c338aa80,3,e8b4ccbc,0,0) at kern_sendit+0x104
> sendit(c338aa80,3,e8b4ccbc,0,bfbde948) at sendit+0x163
> sendto(c338aa80,e8b4cd04,6,171f7c,292) at sendto+0x4d
> syscall(3b,3b,bfbf003b,1,28) at syscall+0x22f
> Xint0x80_syscall() at Xint0x80_syscall+0x1f
> --- syscall (133, FreeBSD ELF32, sendto), eip =3D 0x2811f447, esp =3D 0xb=
fbde88c,
> ebp =3D 0xbfbee938 ---
> db>=20

You forgot the panic.  Also, please see the developer's handbook
chapter on kernel debugging; you really should try and get a core +
gdb debugging traceback.

Kris

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