[Bug 1963] udhcpc failed bind IP address to iface (eth0) in rcS but manually execute can

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=1963

--- Comment #1 from Denys Vlasenko <vda.linux at googlemail.com>  ---
1.Edit /etc/init.d/rcS to include the below
  ifup -a
  udhcpc -s /usr/share/udhcpc/default.script (copied from busybox source's
example/dhcpc/simple.script)

ifup -a will run various things depending on its configuration.
Are you sure it doesn't mess up eth0 configuration? Try removing this command.

Can you run udhcpc with -f option so that it prints some information to the
screen?

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