How to debug Ethernet connectivity

Atilla Filiz atilla.filiz at gmail.com
Fri Dec 6 07:18:52 EST 2013


Sorry, figured it out. Just most verbose output is funny as well:
:/ miitool -vvv /dev/mc13xxx
10 Mbit, half duplex, no link
  registers for MII PHY:
    0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000
  product info: vendor 00:00:00, model 0 rev 0
  basic mode:   10 Mbit, half duplex
  basic status: no link
  capabilities:
  advertising:

On Fri, Dec 6, 2013 at 1:17 PM, Atilla Filiz <atilla.filiz at gmail.com> wrote:
> On Fri, Dec 6, 2013 at 11:52 AM, Antony Pavlov <antonynpavlov at gmail.com> wrote:
>> There is miitool command to view MII status / registers.
>
>
> How do I use it?
> barebox at Terminal:/ miitool -v /dev/mc13xxx
> 10 Mbit, half duplex, no link
>   product info: vendor 00:00:00, model 0 rev 0
>   basic mode:   10 Mbit, half duplex
>   basic status: no link
>   capabilities:
>   advertising:
> barebox at Terminal:/ dhcp
> T DHCP client bound to address 10.3.4.161
> barebox at Terminal:/ miitool -v /dev/mc13xxx
> 10 Mbit, half duplex, no link
>   product info: vendor 00:00:00, model 0 rev 0
>   basic mode:   10 Mbit, half duplex
>   basic status: no link
>   capabilities:
>   advertising:
>
> But there is link, obviously.
> --
> Atilla Filiz



-- 
Atilla Filiz



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