Determining IP information for eth0 failed
Jeroen Van Goey
peak_freak at yahoo.com
Wed Mar 31 14:22:45 UTC 2004
> Am Mi, den 31.03.2004 schrieb Jeroen Van Goey um 02:19:
>
> > I'm unable to make contact with the internet. I get an "Unable to find
> > IP
> > address for server name "localhost.localdomain" - Host name lookup
> > failure" error message. The step-by-step procedure I've followed so
> > far.
> >
> > I have a Fast Ethernet 10/100M PCI network card from Genius on a linux
> > PC running Fedora core 1, kernel 2.4.22-1.2115.nptl and GNOME. My
> > system recognizes the networkcard, because at bootup, I see (using the
> > command "dmesg | grep eth0"):
> > eth0: RealTek RTL8139 Fast Ethernet at 0xc48bd000, 00:40:f4:6f:b4:90,
> > IRQ 11
> > eth0: Identified 8139 chip type 'RTL-8100B/8139D'
> > divert: freeing divert_blk for eth0
> > divert: allocating divert_blk for eth0
> > eth0: RealTek RTL8139 Fast Ethernet at 0xc48d6000, 00:40:f4:6f:b4:90,
> > IRQ 11
> > eth0: Identified 8139 chip type 'RTL-8100B/8139D'
> > eth0: link up, 10Mbps, half-duplex, lpa 0x0000
>
> > So I presumed the driver is 8139too, which I loaded -I think-
> > succesfully (using "modprobe 8139too io=0e400 irq=11"), because
> > "lsmod" gives me:
>
> > [note: yes, I am aware about the recent discussion on this list that the 8139too is
> not a
> > good ethernet chipset, but I bought it because I originally had on my Windows-machine
> a
> > USB to Ethernet convertor (USB LAN 100 from Topcom), that didn't support Linux; and
> I'm
> > not very jumpy to run to the shops a third time.]
> >
> > I adapted /etc/modules.conf to:
> > alias usb-controller usb-uhci
> > alias eth0 8139too
> > options 8139too io=0xe400 irq=11
>
> The card is an ISA one? Only to ISA cards you have to and can pass
> resource information for IO and IRQ. PCI cards will detect that
> themselves.
>
> > I'm not sure if that was entirely correct. Are 2 aliasses allowed? Is
> > my choice for IRQ=11 correct? On "cat /proc/interrupts" both my
> > ethernetcard and my USB are listed on 11, both won't this give any
> > confusion?
> > CPU0
> > 0: 748046 XT-PIC timer
> > 1: 10625 XT-PIC keyboard
> > 2: 0 XT-PIC cascade
> > 8: 1 XT-PIC rtc
> > 11: 81790 XT-PIC usb-uhci, eth0 <---------
> > 12: 60518 XT-PIC PS/2 Mouse
> > 14: 154475 XT-PIC ide0
> > NMI: 0
> > ERR: 0
>
> So far all looks pretty.
>
> > I then went on to configure my network with the command
> > "redhat-config-network", which gives a GUI. In the tab "Devices" I
> > selected "New" > Ethernet connection > RTL-8139/8139C/8139C+ (eth0) >
> > automatically obtain IP adress settings with DHCP. When I then save
> > and select my eth0, there is the error message "Determining IP information for
> eth0....
> > Failed"
>
> > In /var/log/cups/error_log.1 I find this line:
> > E [27/Mar/2004:00:21:53 -0500] StartListening: Unable to find IP
> > address for server name "localhost.localdomain" - Host name lookup
> > failure
> >
> > The command "ifconfig -a" gives this output. I notice that the IPs for inet
> > addr, Bcast and Mask are missing.
> > eth0 Link encap:Ethernet HWaddr 00:40:F4:6F:B4:90
> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> > RX packets:236210 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:845 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:1000
> > RX bytes:14275029 (13.6 Mb) TX bytes:288990 (282.2 Kb)
> > Interrupt:11 Base address:0x6000
> >
> > lo Link encap:Local Loopback
> > UP LOOPBACK RUNNING MTU:16436 Metric:1
> > RX packets:5939 errors:0 dropped:0 overruns:0 frame:0
> > TX packets:5939 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:0
> > RX bytes:5271644 (5.0 Mb) TX bytes:5271644 (5.0 Mb)
>
> Weird that loopback (lo) has no assigned IP address. Please check the
> content of
>
> $ cat /etc/sysconfig/network-scripts/ifcfg-lo
> DEVICE=lo
> IPADDR=127.0.0.1
> NETMASK=255.0.0.0
> NETWORK=127.0.0.0
> # If you're having problems with gated making 127.0.0.0/8 a martian,
> # you can change this to something else (255.255.255.255, for example)
> BROADCAST=127.255.255.255
> ONBOOT=yes
> NAME=loopback
>
> Many services rely on a proper setup of the loopback device. I think the
> other errors are mainly follwing errors because loopback has no address.
The contents of /etc/sysconfig/network-scripts/ifcfg-lo are exactly as stated above.
Some more info that may be helpfull: I can ping localhost, but no other adress (network
unreachable).
PING localhost.localdomain (127.0.0.1) 56(84) bytes of data.
64 bytes from localhost.localdomain (127.0.0.1): icmp_seq=0 ttl=64 time=0.140 ms
64 bytes from localhost.localdomain (127.0.0.1): icmp_seq=1 ttl=64 time=0.139 ms
64 bytes from localhost.localdomain (127.0.0.1): icmp_seq=2 ttl=64 time=0.137 ms
64 bytes from localhost.localdomain (127.0.0.1): icmp_seq=3 ttl=64 time=0.126 ms
64 bytes from localhost.localdomain (127.0.0.1): icmp_seq=4 ttl=64 time=0.136 ms
64 bytes from localhost.localdomain (127.0.0.1): icmp_seq=5 ttl=64 time=0.132 ms
--- localhost.localdomain ping statistics ---
6 packets transmitted, 6 received, 0% packet loss, time 5012ms
rtt min/avg/max/mdev = 0.126/0.135/0.140/0.004 ms, pipe 2
The output of "route -n"
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 lo
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
The output of "iptables -L -n -v"
Chain INPUT (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
2728 303K RH-Firewall-1-INPUT all -- * * 0.0.0.0/0 0.0.0.0/0
Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
0 0 RH-Firewall-1-INPUT all -- * * 0.0.0.0/0 0.0.0.0/0
Chain OUTPUT (policy ACCEPT 277 packets, 55759 bytes)
pkts bytes target prot opt in out source destination
Chain RH-Firewall-1-INPUT (2 references)
pkts bytes target prot opt in out source destination
277 55759 ACCEPT all -- lo * 0.0.0.0/0 0.0.0.0/0
0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0
icmp type 255
0 0 ACCEPT esp -- * * 0.0.0.0/0 0.0.0.0/0
0 0 ACCEPT ah -- * * 0.0.0.0/0 0.0.0.0/0
0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0
state RELATED,ESTABLISHED
0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0
state NEW tcp dpt:25
0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0
state NEW tcp dpt:80
0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0
state NEW tcp dpt:21
0 0 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0
state NEW tcp dpt:22
2451 247K REJECT all -- * * 0.0.0.0/0 0.0.0.0/0
reject-with icmp-host-prohibited
Sorry for making the mail so long, but I hope that it can shed some light on the problem.
>
> > I can't get much out of this, but sometimes I recognized something, like in:
> >
> > 52:21.988678 81.83.160.1.bootps > 255.255.255.255.bootpc: xid:0x3abb2391
> > flags:0x8000 Y:81.83.160.26 G:81.83.160.1 ether 0:0:39:bb:23:91 vend-rfc1048
> > DHCP:OFFER SID:195.130.132.97 LT:7200 SM:255.255.240.0
> > NS:195.130.131.4,195.130.130.4 DN:"pandora.be" RSZ:576 TTL:64
> > BR:255.255.255.255 RN:3600 RB:3601 HN:"toshiba" DG:81.83.160.1
> > 4500 0160 f72c 0000 ff11 d20b 5153 a001
> > Where "pandora.be" is the name of the ISP which provides me with dynamic
> > IPs.
> >
> > Some more info that I was able to squeeze out of my machine:
> > The contents of my /etc/sysconfig/networking/devices/ifcfg-eth0 file:
> > USERCTL=yes
> > PEERDNS=yes
> > TYPE=Ethernet
> > DEVICE=eth0
> > HWADDR=00:40:f4:6f:b4:90
> > BOOTPROTO=dhcp
> >
> > The following came from a log file. A lot of things are not yet filled in.
> > Should I change and add them in in ifcfg-eth0 manually, or should dhclient
> > (or some other program) do that for me?
> > Mon Mar 29 10:10:31 2004: -+ //etc/sysconfig/networking/devices/ifcfg-eth0
> > NETMASK=''
> > DOMAIN=''
> > BOOTPROTO='dhcp'
> > HWADDR='00:40:f4:6f:b4:90'
> > DEVICE='eth0'
> > IPADDR=''
> > DHCP_HOSTNAME=''
> > TYPE='Ethernet'
> > GATEWAY=''
> > PEERDNS='yes'
> > USERCTL='no'
> > ONBOOT='yes'
> > NETWORK
> > BROADCAST
> > DOMAIN
> > DHCP_HOSTNAME
> > IPADDR
> > NETMASK
> > GATEWAY
> >
> > That's about as much information as I can give you.
> > Where did I go wrong, or what did I forget?
> > Thanks for the help.
> >
> > Jeroen
>
> Alexander
Jeroen
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