[ubuntu-uk] Hooking up a machine running Ubuntu to a Mark 1, BT HomeHub

Guy Thouret lists at thouret.co.uk
Thu Feb 19 15:52:40 GMT 2009

On Thu, 2009-02-19 at 15:23 +0000, Simos wrote:

> A google search for 'RTL8111/8168B Intrepid' reveals the following bug
> report
> https://bugs.edge.launchpad.net/ubuntu/+bug/285430

If the OS is actually aware of the physical ethernet interface this bug
may be relevant.
>From the output we have seen so far, eth0 did not show up in the list of
interfaces so it is either non-existant or not activated (up).

Can you enter the following commands and post the output:

dmesg | grep eth0
ifconfig -a

The first command will show any output from a kernel driver trying to
register the eth0 interface.
The second command will list all network interfaces registered on your
machine regardless of their state.

Here is an example output, we should hope to see something similar:
guy at guy-laptop:~$ dmesg | grep eth0
[    0.448004] 0000:00:19.0: eth0: (PCI Express:2.5GB/s:Width x1)
[    0.448007] 0000:00:19.0: eth0: Intel(R) PRO/1000 Network Connection
[    0.448035] 0000:00:19.0: eth0: MAC: 5, PHY: 6, PBA No: ffffff-0ff

guy at guy-laptop:~$ ifconfig -a
eth0      Link encap:Ethernet  HWaddr 00:13:77:3c:04:fe  
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
 ... (only relevant part shown)

If we see output from both commands, then you do indeed have a
registered physical ethernet interface on your machine.
If we do not see output or see errors this would sugggest a driver issue
or a physical fault with the ethernet interface.
A driver issue we can help you overcome.
If there's a physical fault with the ethernet interface, send the
machine back for a replacement.

If the dmesg | grep eth0 command shows no output, if you attach the
output of just the dmesg command by itself we'll probably be able to
diagnose the exact cause of the failure.

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