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I have a laptop with Intel Wireless 7260 on the board and had some problems with connection in Ubuntu 14.04 (3.13.0-36-generic). While solving this I was required to update firmware called iwlwifi-7260-7.ucode for the iwlwifi module as described here. But I discovered that there is another newer(?) firmware issued by Intel: iwlwifi-7260-9.ucode so I decided to use it instead of *-7 version, removed the *-7 from /lib/firmware/, downloaded *-9, restarted the iwlwifi and was happily left without networking support. Now I discovered that iwlwifi uses *-7 version only and there is nothing about *-8 and *-9:

modinfo iwlwifi
filename:       /lib/modules/3.13.0-36-generic/kernel/drivers/net/wireless/iwlwifi/iwlwifi.ko
license:        GPL
author:         Copyright(c) 2003-2013 Intel Corporation <ilw@linux.intel.com>
version:        in-tree:
description:    Intel(R) Wireless WiFi driver for Linux
...
firmware:       iwlwifi-7260-7.ucode
...

So my question is: am I getting something wrong and *-9 is not an firmware version, or I should search (or recompile) iwlwifi to work with newer modules?

Community
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arbulgazar
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1 Answers1

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Which version of the firmware you're using is actually dependent on the version of the driver in the kernel. So while -9 isn't a firmware version, per se, it does correspond with a driver in a later kernel. (In other words, just use the firmware version that corresponds with your kernel version, eh!)

For more info, see: http://wireless.kernel.org/en/users/Drivers/iwlwifi#Firmware

Stephen Balukoff
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