Hi Mark,

On Thu, Jun 14, 2012 at 5:20 PM, Mark Phillips
<mark@phillipsmarketing.biz>wrote:

> I installed Ubuntu 12.04 on a Dell Latitude D620. I didn't expect any
> issues based on googling this laptop and Linux. However, I cannot get
> Ethernet or wifi to work.
>
> lspci shows the correct hardware
>
> Ethernet controller; Broadcom Corporation NetXtreme BCM5752 Gigibit
> Ethernet PCI Express (rev 2)
> Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01)
>
> I went into Network Connections and added a Wired connection and gave it a
> name and selected the MAc address for eth0 (in the drop down list), and
> selected automatic (DHCP) as the method for iP4
>
> I looked at /etc/network/interfaces
> auto lo
> iface lo inet loopback
>
> so I tried adding
>
> auto eth0
>
> but no luck. grep -i eth /var/log/syslog gives
>
> Network Manager[2029]: <info> (eth0): new Ethernet device (driver:'tg3'
> ifindex: 2)
> Network Manager[2029]: <info> (eth0): exported as
> /org/freedesktop/NetworkManager/Devices/0
> Network Manager[2029]: <info> (eth0): mow managed
> Network Manager[2029]: <info> (eth0): device state change: unmanaged ->
> unavailable (reason 'managed') [10 2 0 2]
> Network Manager[2029]: <info> (eth0): bringing up device
> Network Manager[2029]: <info> (eth0): preparing device
> Network Manager[2029]: <info> (eth0): deactivating device (reason
> 'managed') [2]
> kernel: [1815.448547] ADDRCONF(NETDEV_UP): eth0: link is not ready
> kernel: [1815.449321] ADDRCONF(NETDEV_UP): eth0: link is not ready
>
> I looked at some forum posts on how to fix this, and the best I found was
> to edit NetworkManager.conf and set managed=true (it came false out of the
> box). That did not help.
>
> Thanks for any other suggestions you may have!
>
> Mark
>
>
It appears to be trying to use a tg3 driver - which is the ethernet.

Follow these instructions to setup the /etc/network/interfaces networking
for Network Manager:
https://help.ubuntu.com/11.10/serverguide/network-configuration.html

Example for /etc/network/interfaces:

auto eth0
iface eth0 inet dhcp
pre-up /sbin/ethtool -s eth0 speed 1000 duplex full

Manual test (non-persistent):

#  sudo ifconfig eth0 192.168.1.50 netmask 255.255.255.0 up
# route add default gw 192.168.1.1 eth0

For your wireless:

Please show us the output of:


nm-tool
lsmod | grep b43
sudo iwlist scan



sudo cat /var/log/syslog | grep -e b43 -e firmware -e wpa -e wlan -e
etork | tail -n55

$ sudo apt-get install firmware-b43-installer
$ sudo apt-get remove bcmwl-kernel-source

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