[plug] Ubuntu 11.10 and wireless

[Ishwor Gurung]

Hi!

On 21 February 2012 06:58, Shanon Loughton <autobot at iinet.net.au> wrote:
> Hi All
>
> Ive tried googling this but not sure what exactly to do. I installed 11.10
> and wifi worked the first few days then not long after it suddenly took a
> long time to boot, as if its waiting for something, and then when it finally
> gets to login there is no wlan device.  Anyone else had an issue with intel
> wireless?
>
> dmesg | grep iwl
> [    2.082140] iwl4965: Intel(R) Wireless WiFi 4965 driver for Linux,
> in-tree:
> [    2.082143] iwl4965: Copyright(c) 2003-2011 Intel Corporation
> [    2.082230] iwl4965 0000:0b:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ
> 17
> [    2.082260] iwl4965 0000:0b:00.0: setting latency timer to 64
> [    2.082318] iwl4965 0000:0b:00.0: Detected Intel(R) Wireless WiFi Link
> 4965AGN, REV=0x4
> [    2.125179] iwl4965 0000:0b:00.0: device EEPROM VER=0x36, CALIB=0x5
> [    2.125222] iwl4965 0000:0b:00.0: Tunable channels: 11 802.11bg, 13
> 802.11a channels
> [    2.125354] iwl4965 0000:0b:00.0: irq 46 for MSI/MSI-X
> [   62.944121] iwl4965 0000:0b:00.0: request for firmware file
> 'iwlwifi-4965-2.ucode' failed.
> [   62.944128] iwl4965 0000:0b:00.0: no suitable firmware found!
> [   62.944373] iwl4965 0000:0b:00.0: PCI INT A disabled

There. That's your problem. How did you install Ubuntu? And what
kernel version is this?
You're missing the firmware :-)

Info regarding my snipped copy of the fw -

root at tarzan:~# modinfo iwlwifi
filename:
/lib/modules/3.2.2-kernel/kernel/drivers/net/wireless/iwlwifi/iwlwifi.ko
alias:          iwlagn
license:        GPL
author:         Copyright(c) 2003-2011 Intel Corporation <ilw at linux.intel.com>
version:        in-tree:
description:    Intel(R) Wireless WiFi Link AGN driver for Linux
firmware:       iwlwifi-5150-2.ucode
firmware:       iwlwifi-5000-5.ucode
firmware:       iwlwifi-6000g2b-6.ucode
firmware:       iwlwifi-6000g2a-6.ucode
firmware:       iwlwifi-6050-5.ucode
firmware:       iwlwifi-6000-4.ucode
firmware:       iwlwifi-100-6.ucode
firmware:       iwlwifi-1000-6.ucode
firmware:       iwlwifi-135-6.ucode
firmware:       iwlwifi-105-6.ucode
firmware:       iwlwifi-2030-6.ucode
firmware:       iwlwifi-2000-6.ucode

[...]

Quick tip: head to
http://kuscsik.blogspot.com/2007/06/how-to-install-intel-4965-wireless.html
and follow the steps making sure you fetch the latest driver.

HTH

Cheers

-- 
Best regards,
Ishwor