Problems with Ubuntu 12.04 Networking on Latitude D620

[Mark Phillips]

Wireless is now working, based on the info in this post:
http://ubuntuforums.org/showthread.php?t=1604868&page=58

Thanks!

Mark


On Thu, Jun 14, 2012 at 5:50 PM, Mark Phillips
<mark at phillipsmarketing.biz>wrote:

> 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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