Re: How to get a patched kernel into anaconda?

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On 07/09/08 16:19, Matt Domsch wrote:
> On Sun, Sep 07, 2008 at 04:04:28PM +0200, Anders Karlsson wrote:
>> * Erik P. Olsen <epodata@xxxxxxxxx> [20080907 15:10]:
>>> This is all new land for me, so bear with me if the answer is trivial.
>>>
>>> I have patched kernel 2.6.23.1-42.fc8 (actually sata_mv.c) to support my sta
>>> disk controller. It works correctly, I can attach my disks make directories and
>>> store data on them and even retrieve the data. So from that perspective
>>> everything is fine.
>>>
>>> The next thing I want to do is to boot from the disks and create my system on
>>> them. That means as far as I can see that anaconda must use the patched kernel.
>>> Is there a way to load this kernel during start of anaconda or can I create a
>>> new install dvd with the kernel added?
>>>
>>> Can someone help me with this?
>> This sounds like you are in the territory of
>> http://driverupdateprogram.com and using driver update disks. With
>> that, you could build your patched driver out-of-tree, and supply that
>> on a driver disk (boot the installer with "linux dd") to use during
>> installation.
>>
>> Benefit of doing it this way is that you don't have to recompile the
>> whole kernel. The problem I can see is that when you after
>> installation update your system, the new kernel that will get pulled
>> in may not provide the driver functionality that you need to drive the
>> disks, so you may end up requiring to build kmod packages for every
>> new kernel until the driver patch is accepted upstream and/or makes it
>> in to the Fedora kernel.
> 
> DKMS can be used to generate driver disks which you can then load into
> anaconda, and can generate RPMs which can be rebuilt as you update
> your kernel.  Conveniently, DKMS is also included in Fedora. :-)
> 
> See http://linux.dell.com/dkms/dkms.html for documentation, and 'yum
> install dkms' to begin using it.

Well, this looks complicated for someone like me who has never done that sort of
thing before. I have a patched module named sata_mv.c and all I want is a driver
floppy to be used when booting the install DVD. This sounds awfully simple to me
but I completely bail out when I read the documentation. It would have helped
tremendously if an example were available, sigh.

-- 
Erik.


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