Hi all,

I can confirm this was present in Intrepid with the 2.6.27-2 Kernel.  I
could detect networks with iwlist wlan0 scan, and it appeared to be
connected to the selected AP, but I couldnt DHCP or do anything useful
with the wireless interface.

I wasn't going to debug this for the sake of it, so I downloaded the
latest 3945 driver from http://intellinuxwireless.org/.  Actually the
iwlwifi-3945-1.ucode driver that comes out of the archive shares the
same file name as the vanilla one in /lib/firmware.

I put the vanilla driver in /lib/firmware elseware, and put the newly
downloaded one in /lib/firmware, and everything magically started
working after a reboot.

The errors I was getting with the vanilla driver were:

iwl3945: Error sending REPLY_LEDS_CMD: iwl3945_enqueue_hcmd failed:  -28
iwl3945: No space for Tx

No errors with the driver from intellinuxwireless.org.  I'm not sure
what the difference is between the 2 drivers, Leann I think you are in a
better position than I to answer that :)

Dave

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iwl3945 disabling issue via software
https://bugs.launchpad.net/bugs/248321
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