Howto: Troubleshoot MCP-55 Ethernet on Ubuntu Jaunty 9.04

I installed a fresh Ubuntu Jaunty on a desktop and couldn’t connect to the local area network (DHCP). I tried the following tweaks, and finally it worked.

add to/etc/modprobe.d/options

options forcedeth msi=0 msix=0

sudo rmmod forcedeth
sudo modprobe forcedeth

sudo /etc/init.d/networking restart
sudo dhclient eth0

During the last line, the ethernet will start listening and start DHCPDISCOVER on eth0. I clicked the network manager to reattempt a connection and it worked.


Posted on May 19, 2009, in Linux and tagged , , , , . Bookmark the permalink. Leave a comment.

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