Intel 3945 won't work after update.

After updating a Thinkpad T60 with the Intel 3945 wireless card I am unable to connect to wireless. Wicd's GTK front end even fails to start, but the problem is not with Wicd. Anything attempting to access the card will hang, even 'ifconfig wlan0 up' hangs and I have to kill it.
Here is 'lsmod|grep iwl':
iwl3945 63543 0
iwl_legacy 45018 1 iwl3945
mac80211 203227 2 iwl_legacy,iwl3945
cfg80211 147716 3 mac80211,iwl_legacy,iwl3945
Here is the relevant information from everything.log:
Feb 22 06:48:49 t60-arch kernel: [ 4.832450] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, in-tree:s
Feb 22 06:48:49 t60-arch kernel: [ 4.832453] iwl3945: Copyright(c) 2003-2011 Intel Corporation
Feb 22 06:48:49 t60-arch kernel: [ 4.832641] iwl3945 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
Feb 22 06:48:49 t60-arch kernel: [ 4.832657] iwl3945 0000:03:00.0: setting latency timer to 64
Feb 22 06:48:49 t60-arch kernel: [ 4.886080] iwl3945 0000:03:00.0: Tunable channels: 11 802.11bg, 13 802.11a channels
Feb 22 06:48:49 t60-arch kernel: [ 4.886084] iwl3945 0000:03:00.0: Detected Intel Wireless WiFi Link 3945ABG
Feb 22 06:48:49 t60-arch kernel: [ 4.886235] iwl3945 0000:03:00.0: irq 44 for MSI/MSI-X
Feb 22 06:48:49 t60-arch kernel: [ 4.930430] ieee80211 phy0: Selected rate control algorithm 'iwl-3945-rs'
Feb 22 06:53:49 t60-arch kernel: [ 311.946831] iwl3945 0000:03:00.0: iwlwifi-3945-2.ucode firmware file req failed: -2
Feb 22 06:54:49 t60-arch kernel: [ 372.106844] iwl3945 0000:03:00.0: iwlwifi-3945-1.ucode firmware file req failed: -2
Feb 22 06:54:49 t60-arch kernel: [ 372.106853] iwl3945 0000:03:00.0: Could not read microcode: -2
Here is 'ls /lib/firmware/|grep 3945':
iwlwifi-3945-2.ucode
Here is 'rfkill list':
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
2: tpacpi_bluetooth_sw: Bluetooth
Soft blocked: no
Hard blocked: no
Obviously it is a firmware issue, even though linux-firmware is properly installed and has been reinstalled from other sources in an attempt to get it working.
Last edited by elliott (2012-02-22 20:10:44)

Just updated and rebooted, but wireless still seems to be working for me (also have a T60 using iwl3945. Same modules loaded that gozes listed. Here's iwl3945 containing lines in my everything.log since the reboot
Apr 5 17:39:46 localhost kernel: [ 6.267873] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, in-tree:s
Apr 5 17:39:46 localhost kernel: [ 6.267877] iwl3945: Copyright(c) 2003-2011 Intel Corporation
Apr 5 17:39:46 localhost kernel: [ 6.268108] iwl3945 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
Apr 5 17:39:46 localhost kernel: [ 6.268123] iwl3945 0000:03:00.0: setting latency timer to 64
Apr 5 17:39:46 localhost kernel: [ 6.322986] iwl3945 0000:03:00.0: Tunable channels: 11 802.11bg, 13 802.11a channels
Apr 5 17:39:46 localhost kernel: [ 6.322991] iwl3945 0000:03:00.0: Detected Intel Wireless WiFi Link 3945ABG
Apr 5 17:39:46 localhost kernel: [ 6.323145] iwl3945 0000:03:00.0: irq 46 for MSI/MSI-X
Apr 5 17:40:03 localhost kernel: [ 29.666416] iwl3945 0000:03:00.0: loaded firmware version 15.32.2.9
I'm running the stock Arch kernel from the core repo right now and linux firmware package is 20120227-1. Let me know if there's other info I can give to try and help track down the difference.

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