Date: Mon, 28 Oct 2002 11:07:52 +0100 From: Oliver Brandmueller <ob@e-Gitt.NET> To: stable@freebsd.org Subject: 4.7-STABLE kernel panics / natd Message-ID: <20021028100752.GA8220@e-Gitt.NET>
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Hi everybody,
my local machine (AMD XP 1500+) recently had a kernel panic (last
Friday). The panic message was saying something about "natd" being the
active task. After having read about kernel panics with early 4.7-STABLE
here I decided to cvsup and update. That didn't help too much, after a
few hours (maybe 18 hours or so) I had the same crash again:
FreeBSD gruft.de 4.7-STABLE FreeBSD 4.7-STABLE #22: Sun Oct 27 13:46:56 \
CET 2002 root@gruft.de:/usr/obj/usr/src/sys/EXPRESS i386
(cvsup was just before building the world and kernel from
cvsup2.de.freebsd.org)
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0xe0268800
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc0194f50
stack pointer = 0x10:0xd902be48
frame pointer = 0x10:0xd902be6c
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 = 98 (natd)
interrupt mask = net
trap number = 12
panic: page fault
The machine at the time of the crash usually has not a big load. There's
no such process as setiathome or so running, which could overheat the
CPU, the CPU temperature as shown in the BIOS is OK.
The machine has three Intel fxp network cards, natd is running for to of
the networks, both of which had just active component with DHCP and MRTG
traffic every few minutes.
My fw rules read like this in the beginning:
--- CUT HERE ---
add allow all from 192.168.1.0/24 to 192.168.1.0/24
#
add divert natd all from any to any
add fwd 192.168.1.1,3128 tcp from 192.168.1.0/24 to any 80
add fwd 10.0.1.1,3128 tcp from 10.0.1.0/24 to any 80
#
add allow tcp from 127.0.0.0/8 to 127.0.0.0/8 via lo0
add deny tcp from any to 127.0.0.0/8
--- CUT HERE ---
The same setup before the update to 4.7 ran without problems over
months, the only change in the hardware last time was an addtional
harddisk (all IDE).
When booting I see one warning, I don't know exactly what to do about
it:
CPU: AMD Athlon(TM) XP1500+ (1343.06-MHz 686-class CPU)
Origin = "AuthenticAMD" Id = 0x662 Stepping = 2
Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PA
T,PSE36,MMX,FXSR,SSE>
AMD Features=0xc0480000<<b19>,AMIE,DSP,3DNow!>
real memory = 536788992 (524208K bytes)
avail memory = 518770688 (506612K bytes)
pnpbios: Bad PnP BIOS data checksum
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
has someone else similar problems or just an idea where to start
looking?
Thank you, Oliver
--
| Oliver Brandmueller | Offenbacher Str. 1 | Germany D-14197 Berlin |
| Fon +49-172-3130856 | Fax +49-172-3145027 | WWW: http://the.addict.de/ |
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