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Re: PowerMac G5 fans run out of control with kernel 4.17.0-3-powerpc64 but not with 4.16.0-1-powerpc64

Adrian is right. Building a kernel for Debian isn‘t really difficult. I work for a first level Linux support and I can do it too.

— Christian

Sent from my iPhone

> On 12. Oct 2018, at 16:39, Dennis Clarke <dclarke@blastwave.org> wrote:
>> On 10/12/2018 10:28 AM, John Paul Adrian Glaubitz wrote:
>>> On 10/12/18 4:10 PM, Dennis Clarke wrote:
>>> That page speaks of many things but clear instructions are not among them.
>>> That whole page speaks in riddles and strange incantations that don't
>>> really mean anything. The next full moon is 24th of October and I
>>> may be willing to give it a try. However the process will fail as it
>>> has before over and over and as a user I lose interest in poorly written
>>> instructions that speak in half truths and worthless jargon.
>> Well, you can't really expect that someone will give you a full course ...
> Sure I can.
>> on the basics. If it was written like that, the whole manual would probably
>> have several thousand pages.
> Yep.
>>> fakeroot ?
>>> That alone is something from the distant past that bothers me.
>>> Nope ... not interested.
>> What's wrong with looking things up that are not familiar to you? 
> I was using fakeroot back in 2001 or maybe it was 2000. Can't recall. It isn't unfamiliar. I just don't see the need to get my own kernel in
> place.  Debian needs it ... I don't.
> ...
>> I think it's fair to expect that if a user is willing to install an unsupported
>> version of Debian on an unsupported machine, then the developers can expect
>> some manual work from the user.
> Yep.   No issue there at all.
>> It's not that people are not willing to help. It's simply that time and resources
>> are limited and in Debian Ports, we don't have the manpower to provide a polished
>> product where we have each and every corner-case covered.
> Right. You are busy elsewhere and so leave the long verbose crud to
> schmucks like me.  I have done it before over and over.  It isn't fun
> but it helps the next person and isn't that the whole point?  BTW I
> wrote the original Solaris Zone docs and OpenSolaris kernel build docs
> also and they were entirely step by step.  Better language.  However
> very hand holding. Don't expect anyone to look at your technology and
> play with it if you make it secret and special and impossible to play
> with.  Such is life.
>> Building your own kernel isn't really difficult. It's mostly a matter of installing
>> the build dependencies for the kernel with "apt-get build-dep linux", then downloading
>> the source tarball of the kernel you want to use, unpacking it, copying the configuration
>> from /boot/ which you are currently using to $KERNEL_SRC_ROOT/.config, running "make oldconfig"
>> and applying any patches you want to test. Then just "make", "make modules", "make install"
>> and "make modules_install". There isn't anything more to it, really.
> Well let's see if that is really true.  I have yet to see it work.
> So there must be secret magic in there somewhere.
>>> Attached are detailed step by step and clear instuctions on how ...
>>> Here is a blunt force trauma set of steps :
>>> https://node000.genunix.com/deb_ppc64/debian_ppc64_kernel_build.txt
>> Writing a document like this takes really a long time ...
> days.  Yep.   Coffee.   Curse.   re-coffee.  re-curse.
>> and as already said, this is
>> just something we can't do - at least I can't. 
> Don't worry about it.  If there is interest .. then people will make the
> effort. I need to clean that up and re-write it and get the Debian way
> of things in there but it can be done.  By someone else.  Not you.
> Relax.
> My real interest is in RISC-V anyways.  Just wait until I climb on top
> of that.
>> There is certainly enough documentation
>> on the internet on how to build your own kernel, either in Debian or any other
>> Linux distribution. However, for a generic kernel taken from upstream, you can just
>> take any howto.
> yep
>>> Would be nice if the "Debian way" were written up in a step by step fashion.
>> I think there are better ways to spend so much time than writing documentation
>> that already exists.
> Maybe.  I have a really nice coffee machine.
> Dennis

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