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#1 2009-08-08 12:48:01

Kirby54925
Member
Registered: 2009-08-08
Posts: 3

Cannot connect to the network after fresh install

Hello everyone. So I followed the Beginner's Guide to the letter during setup. Everything was all peachy, including the network (since I used the FTP/HTTP ISO to install Arch Linux). My NIC got assigned an IP address from my router via DHCP. However, after the installation process was finished and I booted to the actual system, it seems that I cannot get an IP address from the router at all. When I try to run dhcpcd eth0, it always times out.

There have been a couple of posts about this in the past month, and I tried all the solutions that were mentioned there. None of them worked. I double-checked my /etc/rc.conf, /etc/dhcpcd.conf, and /etc/hosts files. They are correct as far as I can tell. No typos or anything like that. Heck, I even tried increasing dhcpcd's timeout to a full minute. Still no dice. This post seems to suggest that dhcpcd has a regression bug.

So... does anyone have any suggestions as to the next course of action I should take? I would appreciate any help.

EDIT: For what it's worth, I'm trying to install Arch Linux on a Dell Inspiron 9300 laptop. I'm not too sure about the exact model for the built-in NIC, but I suspect it is one of those built-in NICs from Intel.

Last edited by Kirby54925 (2009-08-08 12:50:43)

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#2 2009-08-08 16:05:58

djszapi
Member
From: Cambridge, United Kingdom
Registered: 2009-06-14
Posts: 1,439
Website

Re: Cannot connect to the network after fresh install

Welcome to the forum, Kirby54925!

Have you installed DE/WM already? Could you check the network connection with wicd, network-manager?

What card do you use, which kernel, which driver ? Does this card work from other distribution, livecd ? Did you read the relevant wiki pages ?

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#3 2009-08-08 18:18:31

Kirby54925
Member
Registered: 2009-08-08
Posts: 3

Re: Cannot connect to the network after fresh install

No, I have not even installed any DE/WMs yet (how can I if the network doesn't even work?). Hell, X.org is not even set up yet. Keep in mind that my problem takes place IMMEDIATELY after I finished running the FTP/HTTP installer (so in the Beginner's Guide, I would be right at the beginning of Part II, which is configuring the new Arch system). The kernel version is 2.6.30.4. The ethernet card is a Broadcom 440x 10/100, I believe. I don't believe a driver is needed for that card due to kernel support (this card does indeed work with Ubuntu as well as the Arch livecd itself). And yes, I did read the relevant wikis, including the Beginner's Guide and the Network wiki.

So to summarize, the network does indeed work while I'm going through the initial stages of installation with the Arch livecd. Since I am using the FTP/HTTP installation CD, I have to download all of the packages I need for installing the base system. It is after that point when the base system is fully installed, allowing me to boot off the hard drive, when the network fails to get an IP address from the router.

Anyhow, thank you very much for the welcome and for your response! Hopefully we will be able to get to the bottom of this problem.

EDIT: This person and this other person seem to have the same problem I do. They, unfortunately, did not come up with a sufficient resolution to the problem. I hope this helps in making the issue clear.

Last edited by Kirby54925 (2009-08-08 18:29:39)

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#4 2009-08-09 05:59:50

djszapi
Member
From: Cambridge, United Kingdom
Registered: 2009-06-14
Posts: 1,439
Website

Re: Cannot connect to the network after fresh install

Can you try a fresh archinstall another pc too? Did you try dhclient too, insteaf of dhcpcd ?

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#5 2009-08-10 09:07:05

jelly
Administrator
From: /dev/null
Registered: 2008-06-10
Posts: 714

Re: Cannot connect to the network after fresh install

or chroot into your install and install the packages with pacman if it's dhcpd bug. If it got fixed. Or just reinstall arch with the new iso released today

@djszapi  : dhclient isnt installed by default IIRC and please improve your english a bit.

Last edited by jelly (2009-08-10 09:08:00)

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#6 2009-08-10 22:28:44

Lone_Wolf
Member
From: Netherlands, Europe
Registered: 2005-10-04
Posts: 11,868

Re: Cannot connect to the network after fresh install

The Broadcom 440x 10/100 network card might need a module that is present&detected on the install cd, but not included / automagically detected in the base install.

run

lscpi -k

to find out which module is reported as needed.

You can check with

lsmod | grep <modulename>

if that module is loaded .


Partial "lspci -k" output from my system :

00:0d.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
        Subsystem: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+
        Kernel driver in use: 8139too
        Kernel modules: 8139too, 8139cp

Last edited by Lone_Wolf (2009-08-10 22:32:19)


Disliking systemd intensely, but not satisfied with alternatives so focusing on taming systemd.


(A works at time B)  && (time C > time B ) ≠  (A works at time C)

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#7 2009-08-11 00:02:34

Kirby54925
Member
Registered: 2009-08-08
Posts: 3

Re: Cannot connect to the network after fresh install

@jelly: Just tried the new install CD. As I suspected, something that was introduced after the 2009.02 release of the install media broke DHCP. Installing a newer version of dhcpcd using pacman is sorta like a catch-22, so yeah... I highly doubt it's been fixed.

@Lone_Wolf: I will wipe out my current installation of the Ubuntu distro variant CrunchBang Linux (installed it right after installing Arch Linux failed) and try that out. Hopefully it's just a module issue and not a bug with dhcpcd.

EDIT: Just checked. The module for the Broadcom BCM-4401-B0 NIC is indeed loaded. It uses the b44 module. I'm truly at a loss here. I honestly feel it is an issue with dhcpcd.

Last edited by Kirby54925 (2009-08-11 01:54:35)

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#8 2009-08-12 12:42:01

archer108
Member
From: Zurich Switzerland
Registered: 2007-08-28
Posts: 59

Re: Cannot connect to the network after fresh install

could not get a IP address on fresh installed Archlinux, on a Intel Corporation PRO/Wireless 3945ABG adapter, actually after a update thet device stop to work. Pulled my hairs only the default BIOS settings fixed it, Do not ask how this happend, but reseting default BIOS data fixed my problem.

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