On Sun, 31 Jan 2016, surabhi bhargava wrote:

> Hello, 
> My name is Surabhi and I wish to participate in the upcoming round of
> Outreachy. 
> I am facing some difficulty in making a change in the driver. I have been
> trying to add the command 
> printk(KERN_DEBUG "I can modify the Linux kernel!\n");
> in the e1000_main.c as mentioned on the link, but after make -j4, installing
> and rebooting and dmesg | less, I am not able to find the change that I have
> made. It says pattern not be found.
> Could someone please help me with this?

Maybe your machine is not using this driver?  You can use the command
lsmod to see what modules you have installed.  You can also use the
command lspci to find the hardware that is available on your machine.

julia