[root@t60 /]# modprobe -r iwl3945
[root@t60 /]# modprobe iwl3945
[root@t60 /]# egrep -i 'firmware|radio|kill' /var/log/messages
Jan 24 17:40:13 t60 kernel: IBM TrackPoint firmware: 0x0e, buttons: 3/3
Jan 24 17:40:13 t60 kernel: thinkpad_acpi: radio switch found; radios are disabled
Jan 24 17:40:13 t60 kernel: iwl3945: Radio Frequency Kill Switch is On:
Jan 24 17:40:13 t60 kernel: Kill switch must be turned off for wireless networking to work.
Jan 24 17:40:13 t60 kernel: iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
Jan 24 18:40:09 t60 kernel: IBM TrackPoint firmware: 0x0e, buttons: 3/3
Jan 24 18:40:09 t60 kernel: thinkpad_acpi: radio switch found; radios are disabled
Jan 24 18:40:09 t60 kernel: iwl3945: Radio Frequency Kill Switch is On:
Jan 24 18:40:09 t60 kernel: Kill switch must be turned off for wireless networking to work.
Jan 24 18:40:09 t60 kernel: iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
Jan 24 19:02:51 t60 kernel: iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
Jan 24 19:02:51 t60 kernel: iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
Jan 24 19:02:51 t60 kernel: iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
Jan 24 19:02:51 t60 kernel: iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
Jan 24 19:03:06 t60 kernel: iwl3945: Radio Frequency Kill Switch is On:
Jan 24 19:03:06 t60 kernel: Kill switch must be turned off for wireless networking to work.
Jan 24 19:03:06 t60 kernel: iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
[root@t60 /]# dmesg|tail -n 20
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
iwl3945: MAC is in deep sleep!
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
iwl3945: MAC is in deep sleep!
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
iwl3945: MAC is in deep sleep!
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
ACPI: PCI interrupt for device 0000:03:00.0 disabled
iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, 1.2.22kds
iwl3945: Copyright(c) 2003-2007 Intel Corporation
ACPI: PCI Interrupt 0000:03:00.0[A] -> GSI 17 (level, low) -> IRQ 22
PCI: Setting latency timer of device 0000:03:00.0 to 64
iwl3945: Detected Intel PRO/Wireless 3945ABG Network Connection
iwl3945: Radio Frequency Kill Switch is On:
Kill switch must be turned off for wireless networking to work.
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
iwl3945: WARNING: Requesting MAC access during RFKILL wakes up NIC
iwl3945: Tunable channels: 13 802.11bg, 23 802.11a channels