I read a bit about the current network interface management system and
compared my setup with another Lucid install where networking works
fine. Ashutosh, you're correct: my /etc/network/interfaces should not
contain a line about eth0, Network Manager should pick up the hardware
and activate it automatically. So why doesn't it? And, if 'ifup' and
/etc/network/interfaces is the old way of doing things, what is the
correct way?
Here is the output of lshw, when the computer is started without 'eth0'
in /etc/network/interfaces:
$ sudo lshw -c network
*-network DISABLED
description: Ethernet interface
product: NetLink BCM5789 Gigabit Ethernet PCI Express
vendor: Broadcom Corporation
physical id: 0
bus info: p...@0000:02:00.0
logical name: eth0
version: 11
serial: 00:30:1b:b9:70:1c
capacity: 1GB/s
width: 64 bits
clock: 33MHz
capabilities: pm vpd msi pciexpress bus_master cap_list ethernet
physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=tg3
driverversion=3.102 duplex=half firmware=5789-v3.29a latency=0 link=yes
multicast=yes port=twisted pair
resources: irq:18 memory:dfef0000-dfefffff
Why would it be disabled? After I explicitly activate eth0 with 'ifup',
'lshw network' does not show it as 'DISABLED' any more. What do I need
to do to boot up enabled?
--
Upgrade removes eth0 from /etc/network/interfaces
https://bugs.launchpad.net/bugs/579941
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