[ltp] 100mbit only when docked?

[Rubin Abdi]

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Florian Reitmeir wrote on 2015-03-24 13:09:
> did you try.. disabling TLP? or other power save scripts.. there are=20
> some out which reduce the speed of the lan port to 100mbit..

With TLP disabled...

Mar 29 15:50:42 lines kernel: [13244.082537] e1000e: eth0 NIC Link is Up =
100 Mbps Full Duplex, Flow Control: Rx/Tx
Mar 29 15:50:42 lines kernel: [13244.082550] e1000e 0000:00:19.0 eth0: 10=
/100 speed: disabling TSO               =20
Mar 29 15:50:42 lines NetworkManager[975]: <info> (eth0): link connected =
                                        =20

Not running laptop-mode anymore.

> did you try setting the speed with ethertool?

$ sudo ethtool eth0 | grep -B 4 1000
Settings for eth0:
        Supported ports: [ TP ]
        Supported link modes:   10baseT/Half 10baseT/Full=20
                                100baseT/Half 100baseT/Full=20
                                1000baseT/Full=20
        Supported pause frame use: No
        Supports auto-negotiation: Yes
        Advertised link modes:  10baseT/Half 10baseT/Full=20
                                100baseT/Half 100baseT/Full=20
                                1000baseT/Full=20
$ sudo ethtool -s eth0 speed 1000
Cannot advertise speed 1000

Richard Neill wrote on 2015-03-24 13:39:
> Is it possible that the dock's RJ45 connector is slightly damaged?
> I've seen this problem with some very expensive (and badly made)
> network ports for wall-mounting, which only last about 20 insertion
> cycles before some of the springs bend.

On visual inspection the port looks just fine.

> Try repeatedly running ethtool, while wiggling the end of the cable,
> or inspect the socket very carefully.

It spits out the cannot advertize message almost immediately after I hit =
return on my keyboard, which makes me feel like maybe there's something e=
lse going on preventing gigabit?

--=20
Rubin=20
rubin@starset.net=20


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