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Bug#546041: linux-image-2.6.30-1-amd64: DHCP server started by "ifup -a" even though no Ethernet cable has been plugged in



On Thu, 2009-09-10 at 23:11 +0200, Vincent Lefevre wrote:
> Package: linux-image-2.6.30-1-amd64
> Version: 2.6.30-6
> Severity: normal
> 
> During the last boot, a DHCP server has been started even though there
> is no Ethernet cable plugged in.

You mean DHCP client?

[...]
> So, it seems that the problem occurs during "ifup -a" (run by
> /etc/init.d/networking start). /etc/network/interfaces contains:
> 
> # This file describes the network interfaces available on your system
> # and how to activate them. For more information, see interfaces(5).
> 
> # The loopback network interface
> auto lo
> iface lo inet loopback
> 
> # The primary network interface
> allow-hotplug eth0
> iface eth0 inet dhcp
> 
> (it hadn't changed since 2009-06-25). So, it seems that during the
> second boot, the system thought that an Ethernet cable was plugged
> in.
[...]

Several drivers had a longstanding bug in reporting of the initial link
status, which was mostly benign until a recent change to the networking
core.

These drivers have mostly been fixed in 2.6.31, and e1000e certainly
has.  We probably will not update 2.6.30 to fix this.

Ben.

-- 
Ben Hutchings
Unix is many things to many people,
but it's never been everything to anybody.

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