Problems with Ubuntu 12.04 Networking on Latitude D620

[Mark Phillips]

Lisa and Stephen,

I got the wired working...looks like a bad cable - see my previous post.
Have to take my starving daughter to dinner - they whine a lot when they
get hungry...;)

I will let you know about the wifi when I get back!

Thanks for the super quick responses!!!

Mark

On Thu, Jun 14, 2012 at 5:40 PM, Lisa Kachold <lisakachold at obnosis.com>wrote:

> Hi Mark,
>
> On Thu, Jun 14, 2012 at 5:20 PM, Mark Phillips <mark at 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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