I use wpasupplicant ver. 0.6.0-1 on Ubuntu Gutsy tribe 5, which is
installed by default and configured through the gnome-network-admin
interface.

I changed the boot priority of /etc/init.d/networking to be one of the
first or last init to be launched (because WPAsupplicant is launched
through it). It gave no result at all.

I inspected my dmesg output and found interesting outputs :

// On normal boot
Aug 23 22:54:46 zxz-laptop kernel: [ 18.092000] ieee80211_crypt: registered 
algorithm 'NULL'
Aug 23 22:54:46 zxz-laptop kernel: [ 18.772000] ieee80211: 802.11 
data/management/control stack, git-1.1.13
Aug 23 22:54:46 zxz-laptop kernel: [ 18.772000] ieee80211: Copyright (C) 
2004-2005 Intel Corporation <[EMAIL PROTECTED]>
Aug 23 22:54:46 zxz-laptop kernel: [ 18.840000] usbcore: registered new 
interface driver hci_usb
Aug 23 22:54:46 zxz-laptop kernel: [ 18.852000] ipw2200: Intel(R) PRO/Wireless 
2200/2915 Network Driver, 1.2.0kmprq
Aug 23 22:54:46 zxz-laptop kernel: [ 18.852000] ipw2200: Copyright(c) 2003-2006 
Intel Corporation
Aug 23 22:54:46 zxz-laptop kernel: [ 18.852000] ACPI: PCI Interrupt 
0000:03:03.0[A] -> GSI 17 (level, low) -> IRQ 18
Aug 23 22:54:46 zxz-laptop kernel: [ 18.852000] ipw2200: Detected Intel 
PRO/Wireless 2915ABG Network Connection
Aug 23 22:54:46 zxz-laptop kernel: [ 19.196000] ipw2200: Detected geography ZZA 
(11 802.11bg channels, 13 802.11a channels)
Aug 23 22:54:46 zxz-laptop kernel: [ 20.824000] ADDRCONF(NETDEV_UP): eth1: link 
is not ready

//After I typed sudo /etc/init.d/networking restart

Aug 23 23:01:50 zxz-laptop kernel: [ 469.140000] ADDRCONF(NETDEV_UP): eth1: 
link is not ready
Aug 23 23:01:50 zxz-laptop kernel: [ 469.776000] ADDRCONF(NETDEV_CHANGE): eth1: 
link becomes ready
Aug 23 23:01:50 zxz-laptop kernel: [ 469.856000] ieee80211_crypt: registered 
algorithm 'CCMP'
Aug 23 23:02:01 zxz-laptop kernel: [ 480.164000] eth1: no IPv6 routers present

ieee80211 uses the registered algorithm 'NULL' while it boots, but uses
CCMP after a "sudo /etc/init.d/networking restart".

It looks like the CCMP algorithm doesn't exist during boot but is ready
to use after gdm is started.

-- 
Boot order problem
https://bugs.launchpad.net/bugs/53387
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