Date: Mon, 17 Jul 2000 15:22:02 -0400 From: "Andresen,Jason R." <jandrese@mitre.org> To: "questions@FreeBSD.ORG" <questions@FreeBSD.ORG> Subject: routed dumps core a lot Message-ID: <39735CDA.6081D8AE@mitre.org>
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Hello,
I have several machines set up in a testbed network, where each machine
as exactly one control interface. All of the control interfaces are on
the same network. In addition the machines have up to 3 additional
"test" interfaces. The test interfaces are setup as a simple graph and
each pair of interfaces (edge on the graph) is a unique subnet.
The machines are configured to route packets with routed, however routed
on all of the machines crashes constantly. routed runs for some
undetermined amount of time, but it always crashes. =
I hope you can help, as this problem is extremely annoying.
Below I have included some information that will hopefully help.
Included: 1 rc.conf, 1 backtrace of a routed.core file, 1 kernel
configuation
------------------------------------------------------------------------
rc.conf:
# This file now contains just the overrides from /etc/defaults/rc.conf
# please make all changes to this file.
# This is the configuration file for the FreeBSD 4.0 machines on the
Mitre
# Nomadic networking test network. Do not use this file for the FreeBSD
# 2.x machines.
linux_enable=3D"YES" # Turn on the Linuxulator (Linux
Emulation)
saver=3D"logo" # Console Screen saver
blanktime=3D"300" # 5 minute delay before screen saver
defaultrouter=3D"205.130.156.129" # Send non-testbed traffic through here=
gateway_enable=3D"YES" # Let this computer route packets
router_enable=3D"YES" # Set to YES to enable a routing daemon=
=2E
router=3D"routed" # Name of routing daemon to use if
enabled.
router_flags=3D"-s" # Flags for routing daemon.
mrouted_enable=3D"YES" # Do multicast routing (see
/etc/mrouted.conf).
nfs_client_enable=3D"YES" # Can mount NFS exports
icmp_bmcastecho=3D"YES" # Respond to ICMP Broadcast
moused_enable=3D"YES" # Enable the Mouse in the console
sendmail_enable=3D"NO" # Turn off sendmail (machine boots
faster)
timed_enable=3D"YES" # Enable timed
timed_flags=3D"" # In slave mode
# Turn on PCMCIA (PCCARD) support
pccard_enable=3D"YES" # Turn on PCMCIA card
pccard_mem=3D"DEFAULT" # Use the default memory address
pccard_flags=3D"" # Special flags to the card
# Configure the network
hostname=3D"runaway.nomadic.ie.org"
ifconfig_dc0=3D"inet 205.130.156.140 netmask 255.255.255.0"
ifconfig_dc1=3D"inet 192.168.15.1 netmask 255.255.255.0"
ifconfig_dc2=3D"inet 192.168.14.1 netmask 255.255.255.0"
ifconfig_ed0=3D"inet 192.168.10.2 netmask 255.255.255.0"
-----------------------------------------------------------------------
gdb session with the core file:
gdb sbin/routed routed.core
Password:
GNU gdb 4.18
Copyright 1998 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you
are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for
details.
This GDB was configured as "i386-unknown-freebsd"...
Core was generated by `routed'.
Program terminated with signal 11, Segmentation fault.
#0 0x8050847 in rn_walktree (h=3D0x808d080, f=3D0x8053f54 <walk_age>,
w=3D0x0)
at radix.c:827
827 rn =3D rn->rn_l;
(gdb) bt
#0 0x8050847 in rn_walktree (h=3D0x808d080, f=3D0x8053f54 <walk_age>,
w=3D0x0)
at radix.c:827
#1 0x80541bf in age (bad_gate=3D0) at table.c:2123
#2 0x804c209 in main (argc=3D0, argv=3D0xbfbffcec) at main.c:485
#3 0x80480f9 in _start ()
(gdb) print *h
$1 =3D {rnh_treetop =3D 0x808d0c4, rnh_addrsize =3D 0, rnh_pktsize =3D 0,=
rnh_addaddr =3D 0x80501ec <rn_addroute>, rnh_addpkt =3D 0,
rnh_deladdr =3D 0x80504d0 <rn_delete>, rnh_delpkt =3D 0,
rnh_matchaddr =3D 0x804fb8c <rn_match>, rnh_lookup =3D 0x804fac4
<rn_lookup>,
rnh_matchpkt =3D 0, rnh_walktree =3D 0x805082c <rn_walktree>, rnh_nodes=
=3D
{{
rn_mklist =3D 0x0, rn_p =3D 0x8090118, rn_b =3D -33, rn_bmask =3D 0=
'\000',
rn_flags =3D 6 '\006', rn_u =3D {rn_leaf =3D {rn_Key =3D 0x808c000 =
"",
rn_Mask =3D 0x0, rn_Dupedkey =3D 0x0}, rn_node =3D {rn_Off =3D
134791168,
rn_L =3D 0x0, rn_R =3D 0x0}}}, {rn_mklist =3D 0x8091030, rn_p =3D=
0x808d0c4,
rn_b =3D 32, rn_bmask =3D -128 '\200', rn_flags =3D 6 '\006', rn_u =
=3D {
rn_leaf =3D {rn_Key =3D 0x4 "l", rn_Mask =3D 0x8090118 "",
rn_Dupedkey =3D 0x8090218}, rn_node =3D {rn_Off =3D 4, rn_L =3D=
0x8090118,
rn_R =3D 0x8090218}}}, {rn_mklist =3D 0x0, rn_p =3D 0x8090218, =
rn_b
=3D -33,
rn_bmask =3D 0 '\000', rn_flags =3D 6 '\006', rn_u =3D {rn_leaf =3D=
{
rn_Key =3D 0x808c010 '=FF' <repeats 16 times>, "\b=FF=FF=FF", r=
n_Mask =3D
0x0,
rn_Dupedkey =3D 0x0}, rn_node =3D {rn_Off =3D 134791184, rn_L =3D=
0x0,
rn_R =3D 0x0}}}}}
(gdb) print *f
$2 =3D {int ()} 0x8053f54 <walk_age>
-----------------------------------------------------------------------
Kernel config:
#
# GENERIC -- Generic kernel configuration file for FreeBSD/i386
#
# For more information on this file, please read the handbook section on
# Kernel Configuration Files:
#
# http://www.freebsd.org/handbook/kernelconfig-config.html
#
# The handbook is also available locally in /usr/share/doc/handbook
# if you've installed the doc distribution, otherwise always see the
# FreeBSD World Wide Web server (http://www.FreeBSD.ORG/) for the
# latest information.
#
# An exhaustive list of options and more detailed explanations of the
# device lines is also present in the ./LINT configuration file. If you
are
# in doubt as to the purpose or necessity of a line, check first in
LINT.
#
# $FreeBSD: src/sys/i386/conf/GENERIC,v 1.246 2000/03/09 16:32:55 jlemon
Exp $
machine i386
cpu I386_CPU
cpu I486_CPU
cpu I586_CPU
cpu I686_CPU
ident ALTQ-MITRE-SOUND
maxusers 32
#makeoptions DEBUG=3D-g #Build kernel with gdb(1) debug=
symbols
options MATH_EMULATE #Support for x87 emulation
options INET #InterNETworking
options INET6 #IPv6 communications protocols
options FFS #Berkeley Fast Filesystem
options FFS_ROOT #FFS usable as root device [keep
this!]
options MFS #Memory Filesystem
options MD_ROOT #MD is a potential root device
options NFS #Network Filesystem
options NFS_ROOT #NFS usable as root device, NFS
required
options MSDOSFS #MSDOS Filesystem
options CD9660 #ISO 9660 Filesystem
options CD9660_ROOT #CD-ROM usable as root, CD9660
required
options PROCFS #Process filesystem
options COMPAT_43 #Compatible with BSD 4.3 [KEEP
THIS!]
options SCSI_DELAY=3D15000 #Delay (in ms) before probing
SCSI
options UCONSOLE #Allow users to grab the console
options USERCONFIG #boot -c editor
options VISUAL_USERCONFIG #visual boot -c editor
options KTRACE #ktrace(1) support
options SYSVSHM #SYSV-style shared memory
options SYSVMSG #SYSV-style message queues
options SYSVSEM #SYSV-style semaphores
options P1003_1B #Posix P1003_1B real-time
extentions
options _KPOSIX_PRIORITY_SCHEDULING
options ICMP_BANDLIM #Rate limit bad replies
# To make an SMP kernel, the next two are needed
#options SMP # Symmetric MultiProcessor
Kernel
#options APIC_IO # Symmetric (APIC) I/O
# Optionally these may need tweaked, (defaults shown):
#options NCPU=3D2 # number of CPUs
#options NBUS=3D4 # number of busses
#options NAPIC=3D1 # number of IO APICs
#options NINTR=3D24 # number of INTs
# options added for ALTQ
options NMBCLUSTERS=3D2048
options MROUTING # Multicast routing
#options NATM #native mode atm
# ALTQ options
options ALTQ #alternate queueing
options CBQ #class based queueing
#options WFQ #weighted fair queueing
#options FIFOQ #fifo queueing
#options RED #random early detection
#options FLOWVALVE #flowvalve for RED (needs RED)
#options RIO #twin red for diffserv (needs RED)
#options CBQ_RED #red for cbq (needs CBQ and RED)
#options CBQ_RIO #rio for cbq (needs CBQ, RIO, RED,
CBQ_RED)
#options LOCALQ #local use
#options HFSC #hierarchical fair service curve
#options HFSC_RED #red for hfsc (needs HFSC and RED)
#options HFSC_RIO #rio for hfsc (needs HFSC, RIO, RED,
HFSC_RED)
#options ALTQ_ACCOUNT #altq accounting
#options ALTQ_ECN #ecn extention to tcp
#options CDNR #diffserv traffic conditioner
#options BLUE #blue by wu-chang feng
# you might want to set kernel timer to 1kHz if you use CBQ,
# especially with 100baseT
#options HZ=3D1
device isa
device eisa
device pci
# Floppy drives
device fdc0 at isa? port IO_FD1 irq 6 drq 2
device fd0 at fdc0 drive 0
device fd1 at fdc0 drive 1
# ATA and ATAPI devices
device ata0 at isa? port IO_WD1 irq 14
device ata1 at isa? port IO_WD2 irq 15
device ata
device atadisk # ATA disk drives
device atapicd # ATAPI CDROM drives
device atapifd # ATAPI floppy drives
device atapist # ATAPI tape drives
options ATA_STATIC_ID #Static device numbering
#options ATA_ENABLE_ATAPI_DMA #Enable DMA on ATAPI devices
# SCSI Controllers
device ahb # EISA AHA1742 family
device ahc # AHA2940 and onboard AIC7xxx devices
device amd # AMD 53C974 (Teckram DC-390(T))
device dpt # DPT Smartcache - See LINT for options!
device isp # Qlogic family
device ncr # NCR/Symbios Logic
device sym # NCR/Symbios Logic (newer chipsets)
device adv0 at isa?
device adw
device bt0 at isa?
device aha0 at isa?
device aic0 at isa?
# SCSI peripherals
device scbus # SCSI bus (required)
device da # Direct Access (disks)
device sa # Sequential Access (tape etc)
device cd # CD
device pass # Passthrough device (direct SCSI
access)
# RAID controllers
device ida # Compaq Smart RAID
device amr # AMI MegaRAID
device mlx # Mylex DAC960 family
# atkbdc0 controls both the keyboard and the PS/2 mouse
device atkbdc0 at isa? port IO_KBD
device atkbd0 at atkbdc? irq 1
device psm0 at atkbdc? irq 12
device vga0 at isa?
# splash screen/screen saver
pseudo-device splash
# syscons is the default console driver, resembling an SCO console
device sc0 at isa?
# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
#device vt0 at isa?
#options XSERVER # support for X server on a vt
console
#options FAT_CURSOR # start with block cursor
# If you have a ThinkPAD, uncomment this along with the rest of the PCVT
lines
#options PCVT_SCANSET=3D2 # IBM keyboards are non-std
# Floating point support - do not disable.
device npx0 at nexus? port IO_NPX irq 13
# Power management support (see LINT for more options)
device apm0 at nexus? disable flags 0x20 # Advanced Power
Management
# PCCARD (PCMCIA) support
device pcic0 at isa? irq 10 port 0x3e2 iomem 0xd0000
#device pcic1 at isa?
device card
# You may ned to reset all pccards after resuming
# In the mid-towers, we don't suspend/resume, so we shouldn't need this
#options PCIC_RESSUME_RESET # Reset after resume
# Serial (COM) ports
device sio0 at isa? port IO_COM1 flags 0x10 irq 4
device sio1 at isa? port IO_COM2 irq 3
device sio2 at isa? disable port IO_COM3 irq 5
device sio3 at isa? disable port IO_COM4 irq 9
# Parallel port
device ppc0 at isa? irq 7
device ppbus # Parallel port bus (required)
device lpt # Printer
device plip # TCP/IP over parallel
device ppi # Parallel port interface device
#device vpo # Requires scbus and da
# PCI Ethernet NICs.
device de # DEC/Intel DC21x4x (``Tulip'')
device fxp # Intel EtherExpress PRO/100B (82557,
82558)
device tx # SMC 9432TX (83c170 ``EPIC'')
device vx # 3Com 3c590, 3c595 (``Vortex'')
device wx # Intel Gigabit Ethernet Card
(``Wiseman'')
# PCI Ethernet NICs that use the common MII bus controller code.
device miibus # MII bus support
device dc # DEC/Intel 21143 and various workalikes
device rl # RealTek 8129/8139
device sf # Adaptec AIC-6915 (``Starfire'')
device sis # Silicon Integrated Systems SiS 900/SiS
7016
device ste # Sundance ST201 (D-Link DFE-550TX)
device tl # Texas Instruments ThunderLAN
device vr # VIA Rhine, Rhine II
device wb # Winbond W89C840F
device xl # 3Com 3c90x (``Boomerang'',
``Cyclone'')
# ISA Ethernet NICs.
device ed0 at isa? port 0x280 irq 9
#device ed1 at isa? port 0x300 irq 10
#device ex
#device ep
# WaveLAN/IEEE 802.11 wireless NICs. Note: the WaveLAN/IEEE really
# exists only as a PCMCIA device, so there is no ISA attatement needed
# and resources will always be dynamically assigned by the pccard code.
device wi
# Aironet 4500/4800 802.11 wireless NICs. Note: the declaration below
will
# work for PCMCIA and PCI cards, as well as ISA cards set to ISA PnP
# mode (the factory default). If you set the switches on your ISA
# card for a manually chosen I/O address and IRQ, you must specify
# those paremeters here.
#device an
# The probe order of these is presently determined by
i386/isa/isa_compat.c.
#device ie0 at isa? port 0x300 irq 10 iomem 0xd0000
#device fe0 at isa? port 0x300
#device le0 at isa? port 0x300 irq 5 iomem 0xd0000
#device lnc0 at isa? port 0x280 irq 10 drq 0
#device cs0 at isa? port 0x300
#device sn0 at isa? port 0x300 irq 10
# requires PCCARD (PCMCIA) support to be activated
#device xe0 at isa?
# Pseudo devices - the number indicates how many units to allocated.
pseudo-device loop # Network loopback
pseudo-device ether # Ethernet support
pseudo-device sl 1 # Kernel SLIP
pseudo-device ppp 1 # Kernel PPP
pseudo-device tun # Packet tunnel.
pseudo-device pty # Pseudo-ttys (telnet etc)
pseudo-device md # Memory "disks"
#pseudo-device gif 4 # IPv6 and IPv4 tunneling
#pseudo-device faith 1 # IPv6-to-IPv4 relaying (translation)
# The `bpf' pseudo-device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
pseudo-device bpf #Berkeley packet filter
# USB support
#device uhci # UHCI PCI->USB interface
#device ohci # OHCI PCI->USB interface
#device usb # USB Bus (required)
#device ugen # Generic
#device uhid # "Human Interface Devices"
#device ukbd # Keyboard
#device ulpt # Printer
#device umass # Disks/Mass storage - Requires scbus
and da
#device ums # Mouse
# USB Ethernet, requires mii
#device aue # ADMtek USB ethernet
#device cue # CATC USB ethernet
#device kue # Kawasaki LSI USB ethernet
#
-------------------------------------------------------------------------=
----
# Sound support
# Added 7/13/2000 by Jason Andresen
# These beasties seem to have built-in sound of some sort on the
motherboard.
# No indication as to what kind of sound chips these are, so I'm going
to try
# Luigi's PNP drivers first and hope for the best.
device pcm
# The bridge drivers for sound cards. These can be seperately
configured
# for providing services to the likes of new-midi (not in the tree yet).
# When used with 'device pcm' they also provide pcm sound services.
#
# sbc: Creative SoundBlaster ISA PnP/non-PnP
# Supports ESS and Avance ISA chips as well.
# gusc: Gravis UltraSound ISA PnP/non-PnP
# csa: Crystal Semiconductor CS461x/428x PCI
# For non-PnP cards:
device sbc0 at isa? flags 0x15
# Not controlled by `snd'
device pca0 at isa? port IO_TIMER1
# Dang. Luigi's sound drivers work great for everything but vat. =
Apparently
# vat tries to sync its output off of the soundcard, which is a horrible
hack
# and causes problems. I'm going to have to use the Voxware drivers
instead.
# Darn, the old Voxware drivers are broken entirely, back to Luigi's
drivers
#device snd
#device sb0 at isa? port 0x220 irq 5 drq 1
#device sbxvi0 at isa? drq 5#device sbmidi0 at isa? port 0x620 #
DON'T USE THIS! Not really a sbmidi
# Support the the Matrox Meteor video capture cards
device meteor
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