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Re: possible grave bug in debian-installer or ifupdown?

On Sun, Dec 17, 2006 at 09:58:48PM +0100, Bastian Venthur wrote:
> I issued:
> 	# ifup eth0
> manually on both boxes but nothing happened. 

This probably means that ifup thought the interface was already up --
ie there was an "eth0" entry in /etc/network/ifstate. This is supposed to
be cleared on bootup, so should only still be there if eth0 was brought
up. Hard to say much more from a distance though.

> I checked
> /etc/network/interfaces on both boxes and noticed the following line:
> 	allow-hotplug eth0
> after replacing it with
> 	auto eth0

allow-hotplug interfaces will only be brought up by hotplug (or manually);
you might've deinstall hotplug and replaced it with udev, which would
probably give that result.

> I wonder if this is a bug in d-i or ifupdown. 

If you're not using hotplug, using "allow-hotplug" is the bug.

If eth0 isn't up after a boot, but "ifup eth0" does nothing, there's a
bug there too.


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