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RE: Compiling Kernel

Also I recall on one occasion I had big problems with a particular raid
controller which wouldn't work with the Redhat kernel. Downloading the
kernel source from kernel.org, manually including the raid controller
driver into the build, and recompiling, worked.

-----Original Message-----
From: redhat-list-bounces redhat com
[mailto:redhat-list-bounces redhat com] On Behalf Of Carl T. Miller
Sent: Wednesday, 15 September 2010 11:52 a.m.
To: General Red Hat Linux discussion list
Subject: Re: Compiling Kernel

Masoom Siddiqui wrote:
> Did anyone ever had the need to compile kernel for specific reasons?
> like to know of possible scenarios where a company requires something
> specific. I'm guessing this would be beyond web and email hosting.

Yes, I currently recompile the kernel for my laptop because
I want the ps2 mouse driver to be a module.  My laptop will
not power on correctly unless the module is unloaded at
shutdown, and it can't be unloaded if it's not a module.

I also compiled a kernel for a computer that had a specific
wireless interface.  Although there were instructions for
how to compile just the module, it didn't work correctly with
a Red Hat kernel.  I found that if I downloaded the kernel
source from kernel.org I was able to compile the module.

Obviously these are unusual circumstances and I wouldn't
ever recommend compiling a kernel for a production system.
However I must say that I learned a lot in the process.


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