[ltp] 100mbit only when docked?
Sun, 29 Mar 2015 15:54:45 -0700
This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
Content-Type: text/plain; charset=iso-8859-15
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: <info> (eth0): link connected =
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
Supported pause frame use: No
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/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?
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
-----END PGP SIGNATURE-----