[ltp] X60s/X200s kernel 3.7.0 compiled no wifi. (Old 2.6.32, ubuntu wifi works)

Paul Bolle linux-thinkpad@linux-thinkpad.org
Thu, 06 Nov 2014 12:45:13 +0100

On Thu, 2014-11-06 at 11:56 +0100, Uwe Brauer wrote:
> I am puzzled: if I boot the 2.6.32-37 kernel I have wifi support but not
> with the 3.7 kernel. 

Kernel v2.6.39 shipped with commit be663ab67077 ("iwlwifi: split the
drivers for agn and legacy devices 3945/4965"). As a result iwl3945
depends on iwlegacy in v3.7. Does your v3.7 .config set CONFIG_IWLEGACY
to m or y?

> I made lsmod on my X60 machine once with the new 3.7 kernel once with my
> old 2.6.32 kernel. The difference is huge in my X60 machine 
> one line is particular interesting, namely
> iwlcore               106661  1 iwl3945
> this line is missing for the lsmod for the 3.7.0 kernel indeed this
> module does not exist. What do I miss.
> sudo make menuconfig 

Please don't run make menuconfig as root!

> sudo make 

> sudo make modules


Paul Bolle