Arch Linux

newbie55

Member

Registered: 2011-09-17

Posts: 6

[Solved] Live CD not resolving DHCP from wired connection

I followed the Beginners Guide and the Network Connection guide. When I set up a static ip i could ping myself, but other than that I only get a "Network is unreachable" error.

Knoppix connects fine, so don't think it is the machine.  I've been wrong before.

I'm using the "archlinux-2013.05.01-dual.iso" on a CD.  I checked the md5 hash and verified the burn.

Controller is up
Driver is up
Dhcpcd is up in systemctl

A couple of thing I noticed:
1. The interface is named eth0, not en_something.
2. The client seems to be looking for ipv6, but my router is ipv4.

Not a good start.

Please let me know what information may help you troubleshoot this.  This is not my first Arch install.

Thank in advance,
Lance

Last edited by newbie55 (2013-05-23 23:31:18)

WonderWoofy

Member

From: Los Gatos, CA

Registered: 2012-05-19

Posts: 8,414

Re: [Solved] Live CD not resolving DHCP from wired connection

Stop the dhcpcd service.  Make sure there are no extraneous dhcpcd process running.  Then run "dhcpcd -4 <interface>".

newbie55

Member

Registered: 2011-09-17

Posts: 6

Re: [Solved] Live CD not resolving DHCP from wired connection

So I used

systemctl stop dhcpcd

and checked systemctl and dhcpcd had

"loaded failed failed".

then "dhcpcd -4 eth0"

result

dhcpcd[385]: version 5.6.7 starting
dhcpcd[385]: eth0: broadcasting for a lease
dhcpcd[385]: timed out

The 32 bit on this live cd works fine, it is just the 64 bit version.

newbie55

Member

Registered: 2011-09-17

Posts: 6

Re: [Solved] Live CD not resolving DHCP from wired connection

Solved.  This was a Gigabyte motherboard issue.  I ended up resolving the issue by enabling IOMMU in the BIOS.  I just needed to google with the right words.

Not sure what IOMMU is.  Hope it doesn't burn me down the road, but at least I can continue this install.

My motherboard is a Gigabyte 990FXA-UD3.

The links where I found the answers are:
https://bbs.archlinux.org/viewtopic.php?id=161855
http://ubuntuforums.org/showthread.php?t=2114055
http://ubuntuforums.org/showthread.php?t=2111223

Last edited by newbie55 (2013-05-23 23:30:52)