Date: Tue, 16 Nov 2004 00:28:22 -0800 From: Sean McNeil <sean@mcneil.com> To: Gleb Smirnoff <glebius@freebsd.org> Cc: current@freebsd.org Subject: Re: natd panics are back Message-ID: <1100593702.44310.1.camel@server.mcneil.com> In-Reply-To: <20041116074617.GC859@cell.sick.ru> References: <1100556108.3025.1.camel@server.mcneil.com> <20041116074617.GC859@cell.sick.ru>
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On Tue, 2004-11-16 at 10:46 +0300, Gleb Smirnoff wrote:
> Sean,
>=20
> do you have core for this crash?
No, sorry. I just turned it on (I think). I will report if I get
another reboot.
All I have to do is set dumpdev=3D"AUTO" in /etc/rc.conf, right? I did
that and then ran "/etc/rc.d/dumpon start".
> On Mon, Nov 15, 2004 at 02:01:48PM -0800, Sean McNeil wrote:
> S> This was fixed a while ago and now it has made its way back into
> S> current:
> S>=20
> S> server# uname -a
> S> FreeBSD server.mcneil.com 6.0-CURRENT FreeBSD 6.0-CURRENT #58: Mon Nov=
15 08:40:01 PST 2004 root@server.mcneil.com:/usr/obj/usr/src/sys/AMD64=
amd64
> S>=20
> S> Nov 15 13:56:16 server kernel: Fatal trap 12: page fault while in kern=
el mode
> S> Nov 15 13:56:16 server kernel: fault virtual address =3D 0x18
> S> Nov 15 13:56:16 server kernel: fault code =3D supervisor=
read, page
> S> not present
> S> Nov 15 13:56:16 server kernel: instruction pointer =3D 0x8:0xffff=
ffff80354810Nov 15 13:56:16 server kernel: stack pointer =3D 0x1=
0:0xffffffffb1c71620
> S> Nov 15 13:56:16 server kernel: frame pointer =3D 0x10:0xfff=
fffffb1c71680
> S> Nov 15 13:56:16 server kernel: code segment =3D base 0x0, =
limit 0xfffff, type 0x1b
> S> Nov 15 13:56:16 server kernel: =3D DPL 0, pres 1, long 1, def32 0, gra=
n 1
> S> Nov 15 13:56:16 server kernel: processor eflags =3D interrupt enabled,=
resume, IOPL =3D 0
> S> Nov 15 13:56:16 server kernel: current process =3D 212 (natd)
> S> Nov 15 13:56:16 server kernel: trap number =3D 12
> S> Nov 15 13:56:16 server kernel: panic: page fault
> S> Nov 15 13:56:16 server kernel: KDB: enter: panic
> S>=20
> S>=20
> S> (gdb) l *0xffffffff80354810
> S> 0xffffffff80354810 is in m_copym (/usr/src/sys/kern/uipc_mbuf.c:373).
> S> 368 MBUF_CHECKSLEEP(wait);
> S> 369 if (off =3D=3D 0 && m->m_flags & M_PKTHDR)
> S> 370 copyhdr =3D 1;
> S> 371 while (off > 0) {
> S> 372 KASSERT(m !=3D NULL, ("m_copym, offset > size =
of mbuf chain"));
> S> 373 if (off < m->m_len)
> S> 374 break;
> S> 375 off -=3D m->m_len;
> S> 376 m =3D m->m_next;
> S> 377 }
> S>=20
>=20
>=20
>=20
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