Public bug reported:
I am having trouble with my e1000 integrated ethernet port. The problem
is intermitent, happens under Lucid, and not under Windows. The same
problem happens on all three identical computers which are Dell Inspiron
530s towers.
Doesn't work, means that the port never acquires an ipaddress. I have
tried 2 diffierent switches, from two diffierent manfacturers, af both
work under Windows and not under Lucid.
ethtool says that the card is MDI-X instead of MDI. Typing "ethtool -s
eth0 autoneg off" fixes the problem until next reboot. I do need to
restart "networking" and "network-manager" to get a ip afterwords
though.
I put this in rc.local as a workaround, but I'd really like a better solution:
ethtool -s eth0 autoneg off
service network-manager restart && true
service networking restart && true
sleep 3
Would looking at anything in a packet sniffer help at all? Also, Linux
machines that are NOT Inspiron 530s work just fine.
Ubuntu version:
Description: Ubuntu 10.04 LTS
Release: 10.04
ethtool dump when working with workaround:
Settings for eth0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: Not reported
Advertised pause frame use: No
Advertised auto-negotiation: No
Link partner advertised link modes: Not reported
Link partner advertised pause frame use: No
Link partner advertised auto-negotiation: No
Speed: 100Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: off
MDI-X: off
Supports Wake-on: pumbag
Wake-on: g
Current message level: 0x00000001 (1)
Link detected: yes
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: e1000
--
e1000 ethernet port intermitently works
https://bugs.launchpad.net/bugs/601159
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