Date: Thu, 25 Jan 2001 12:49:43 -0500 From: "Luc Morin" <luc_m@videotron.ca> To: <freebsd-stable@freebsd.org> Subject: Re: Network stops working Message-ID: <005a01c086f7$337f51c0$9d8fc918@videotron.ca> References: <001001c08628$8db16180$9d8fc918@videotron.ca> <20010124164125.A12612@home.com> <01012500480800.01077@jamestown.enteract.com> <3A6FD545.3D329446@quake.com.au> <002b01c086e4$2c843060$9d8fc918@videotron.ca> <3A705EAA.23BD59B4@quake.com.au>
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Hi,
I've been asked to clarify the topology of my system.
Very simple setup. All I have is my home box connected to my ISP
thru cable-modem. My NIC is a PCI NE2000 clone using the ed driver.
My ISP uses DHCP to assign my IP, so I run dhclient at boot time
from my rc.conf file. This setup has been running fine for me for over
a year now. Even after my last cvsup/buildworld everything was
still perfectly working.
A few days ago, I started getting a situation where after a few
minutes of operation (after boot), I can't reach anything, not even
my default gateway (assigned by my ISP as part of DHCP).
I've talked to my ISP's tech support rep, and he told me he could
ping my box just fine ( 0% packet loss ), while I couldn't ping
anything ( 100% packet loss ). I also noticed that even though
I can't reach the outside world, I still see some syslogd messages
about failed attempt to connect to my box (I have log_in_vain="YES"
in rc.conf).
Please see attached file for specifics of my system (kernel config
file, dmesg output, uname -a, ps -ax etc...)
I hope this clarifies the situation :-)
Many thanks,
Luc Morin
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uname -a ouput:=0A=
=0A=
FreeBSD southpark.videotron.ca 4.2-STABLE FreeBSD 4.2-STABLE #0: Thu Jan =
18 18:00:27 EST 2001 =
root@southpark.videotron.ca:/usr/obj/usr/src/sys/MYKERN4 i386=0A=
=0A=
=0A=
dmesg output=0A=
=0A=
Copyright (c) 1992-2001 The FreeBSD Project.=0A=
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994=0A=
The Regents of the University of California. All rights reserved.=0A=
FreeBSD 4.2-STABLE #0: Thu Jan 18 18:00:27 EST 2001=0A=
root@southpark.videotron.ca:/usr/obj/usr/src/sys/MYKERN4=0A=
Timecounter "i8254" frequency 1193182 Hz=0A=
CPU: Pentium III/Pentium III Xeon/Celeron (501.14-MHz 686-class CPU)=0A=
Origin =3D "GenuineIntel" Id =3D 0x673 Stepping =3D 3=0A=
=
Features=3D0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,=
CMOV,PAT,PSE36,MMX,FXSR,SSE>=0A=
real memory =3D 134201344 (131056K bytes)=0A=
Invalid command or syntax. Type `?' for help.=0A=
avail memory =3D 127844352 (124848K bytes)=0A=
Preloaded elf kernel "kernel" at 0xc02d7000.=0A=
Preloaded userconfig_script "/boot/kernel.conf" at 0xc02d709c.=0A=
Pentium Pro MTRR support enabled=0A=
npx0: <math processor> on motherboard=0A=
npx0: INT 16 interface=0A=
pcib0: <Intel 82443BX (440 BX) host to PCI bridge> on motherboard=0A=
pci0: <PCI bus> on pcib0=0A=
pcib1: <Intel 82443BX (440 BX) PCI-PCI (AGP) bridge> at device 1.0 on =
pci0=0A=
pci1: <PCI bus> on pcib1=0A=
pci1: <ATI Rage128-RF graphics accelerator> at 0.0 irq 11=0A=
isab0: <Intel 82371AB PCI to ISA bridge> at device 4.0 on pci0=0A=
isa0: <ISA bus> on isab0=0A=
atapci0: <Intel PIIX4 ATA33 controller> port 0xb800-0xb80f at device 4.1 =
on pci0=0A=
ata0: at 0x1f0 irq 14 on atapci0=0A=
ata1: at 0x170 irq 15 on atapci0=0A=
pci0: <Intel 82371AB/EB (PIIX4) USB controller> at 4.2 irq 5=0A=
chip1: <Intel 82371AB Power management controller> port 0xe800-0xe80f at =
device 4.3 on pci0=0A=
pcm0: <AudioPCI ES1370> port 0xb000-0xb03f irq 10 at device 10.0 on pci0=0A=
ed0: <NE2000 PCI Ethernet (RealTek 8029)> port 0xa800-0xa81f irq 5 at =
device 13.0 on pci0=0A=
ed0: address 00:e0:29:40:c0:4f, type NE2000 (16 bit) =0A=
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0=0A=
fdc0: FIFO enabled, 8 bytes threshold=0A=
fd0: <1440-KB 3.5" drive> on fdc0 drive 0=0A=
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0=0A=
atkbd0: <AT Keyboard> irq 1 on atkbdc0=0A=
psm0: <PS/2 Mouse> irq 12 on atkbdc0=0A=
psm0: model IntelliMouse, device ID 3=0A=
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0=0A=
sc0: <System console> on isa0=0A=
sc0: VGA <16 virtual consoles, flags=3D0x200>=0A=
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0=0A=
sio0: type 16550A=0A=
sio1 at port 0x2f8-0x2ff irq 3 on isa0=0A=
sio1: type 16550A=0A=
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0=0A=
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode=0A=
ppbus0: IEEE1284 device found /NIBBLE/ECP=0A=
Probing for PnP devices on ppbus0:=0A=
ppbus0: <Hewlett-Packard HP LaserJet 1100.1.0> PRINTER MLC,PCL,PJL=0A=
lpt0: <Printer> on ppbus0=0A=
lpt0: Interrupt-driven port=0A=
IP Filter: v3.4.8 initialized. Default =3D pass all, Logging =3D =
disabled=0A=
ata0-master: DMA limited to UDMA33, non-ATA66 compliant cable=0A=
ad0: 13216MB <QUANTUM FIREBALLP KA13.6> [26853/16/63] at ata0-master =
UDMA33=0A=
ata1-master: DMA limited to UDMA33, non-ATA66 compliant cable=0A=
ad2: 8063MB <QUANTUM FIREBALL CR8.4A> [16383/16/63] at ata1-master UDMA33=0A=
ad3: 3079MB <QUANTUM FIREBALL ST3.2A> [6256/16/63] at ata1-slave UDMA33=0A=
acd0: CDROM <CD-ROM CDU4011> at ata0-slave using PIO4=0A=
Mounting root from ufs:/dev/ad0s2a=0A=
=0A=
=0A=
ifconfig -a output:=0A=
=0A=
ed0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500=0A=
inet 24.200.211.9 netmask 0xffffff00 broadcast 255.255.255.255=0A=
ether 00:e0:29:40:c0:4f =0A=
lo0: flags=3D8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384=0A=
inet 127.0.0.1 netmask 0xff000000 =0A=
=0A=
=0A=
cat /usr/src/sys/i386/conf/MYKERN4 ouput:=0A=
=0A=
machine i386=0A=
cpu I686_CPU=0A=
ident MYKERN4=0A=
maxusers 10=0A=
=0A=
=0A=
options INET #InterNETworking=0A=
options IPFILTER=0A=
options FFS #Berkeley Fast Filesystem=0A=
options FFS_ROOT #FFS usable as root device [keep this!]=0A=
options MSDOSFS #MSDOS Filesystem=0A=
options CD9660 #ISO 9660 Filesystem=0A=
options PROCFS #Process filesystem=0A=
options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]=0A=
options UCONSOLE #Allow users to grab the console=0A=
options USERCONFIG #boot -c editor=0A=
options VISUAL_USERCONFIG #visual boot -c editor=0A=
options KTRACE #ktrace(1) support=0A=
options SYSVSHM #SYSV-style shared memory=0A=
options SYSVMSG #SYSV-style message queues=0A=
options SYSVSEM #SYSV-style semaphores=0A=
options USER_LDT=0A=
options P1003_1B #Posix P1003_1B real-time extentions=0A=
options _KPOSIX_PRIORITY_SCHEDULING=0A=
options ICMP_BANDLIM #Rate limit bad replies=0A=
=0A=
device isa=0A=
device pci=0A=
=0A=
# Floppy drives=0A=
device fdc0 at isa? port IO_FD1 irq 6 drq 2=0A=
device fd0 at fdc0 drive 0=0A=
=0A=
# ATA and ATAPI devices=0A=
device ata=0A=
device atadisk # ATA disk drives=0A=
device atapicd # ATAPI CDROM drives=0A=
options ATA_STATIC_ID #Static device numbering=0A=
options ATA_ENABLE_ATAPI_DMA #Enable DMA on ATAPI devices=0A=
=0A=
=0A=
# atkbdc0 controls both the keyboard and the PS/2 mouse=0A=
device atkbdc0 at isa? port IO_KBD=0A=
device atkbd0 at atkbdc? irq 1=0A=
device psm0 at atkbdc? irq 12=0A=
=0A=
device vga0 at isa?=0A=
=0A=
# splash screen/screen saver=0A=
pseudo-device splash=0A=
=0A=
# syscons is the default console driver, resembling an SCO console=0A=
device sc0 at isa?=0A=
=0A=
# Floating point support - do not disable.=0A=
device npx0 at nexus? port IO_NPX irq 13=0A=
=0A=
# Power management support (see LINT for more options)=0A=
device apm0 at nexus? disable flags 0x20 # Advanced Power Management=0A=
=0A=
# Serial (COM) ports=0A=
device sio0 at isa? port IO_COM1 flags 0x10 irq 4=0A=
device sio1 at isa? port IO_COM2 irq 3=0A=
=0A=
# Parallel port=0A=
device ppc0 at isa? irq 7=0A=
device ppbus # Parallel port bus (required)=0A=
device lpt # Printer=0A=
=0A=
# PCI Ethernet NICs.=0A=
device ed0=0A=
=0A=
# Pseudo devices - the number indicates how many units to allocated.=0A=
pseudo-device loop # Network loopback=0A=
pseudo-device ether # Ethernet support=0A=
pseudo-device tun # Packet tunnel.=0A=
pseudo-device pty # Pseudo-ttys (telnet etc)=0A=
=0A=
# The `bpf' pseudo-device enables the Berkeley Packet Filter.=0A=
# Be aware of the administrative consequences of enabling this!=0A=
pseudo-device bpf #Berkeley packet filter=0A=
=0A=
options TCP_DROP_SYNFIN #drop TCP packets with SYN+FIN=0A=
options TCP_RESTRICT_RST #restrict emission of TCP RST =0A=
=0A=
#Sound=0A=
device pcm=0A=
PID TT STAT TIME COMMAND=0A=
0 ?? DLs 0:00.00 (swapper)=0A=
1 ?? ILs 0:00.01 /sbin/init --=0A=
2 ?? DL 0:00.00 (pagedaemon)=0A=
3 ?? DL 0:00.00 (vmdaemon)=0A=
4 ?? DL 0:00.00 (bufdaemon)=0A=
5 ?? DL 0:00.00 (syncer)=0A=
40 ?? Is 0:00.00 adjkerntz -i=0A=
115 ?? Is 0:00.00 /sbin/dhclient ed0=0A=
139 ?? Ss 0:00.03 syslogd -s=0A=
158 ?? Is 0:00.00 cron=0A=
227 v0 Ss 0:00.06 -bash (bash)=0A=
248 v0 R+ 0:00.00 ps -ax=0A=
228 v1 Is+ 0:00.00 /usr/libexec/getty Pc ttyv1=0A=
229 v2 Is+ 0:00.00 /usr/libexec/getty Pc ttyv2=0A=
230 v3 Is+ 0:00.01 /usr/libexec/getty Pc ttyv3=0A=
231 v4 Is+ 0:00.00 /usr/libexec/getty Pc ttyv4=0A=
232 v5 Is+ 0:00.00 /usr/libexec/getty Pc ttyv5=0A=
233 v6 Is+ 0:00.00 /usr/libexec/getty Pc ttyv6=0A=
234 v7 Is+ 0:00.00 /usr/libexec/getty Pc ttyv7=0A=
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