[PlanetCCRMA] How to create a 4.0 rt kernel package? (4.0.4-201.rt1.3.fc21.ccrma)

[Yury Bulka]

Thank you for all the hard work.

Fernando Lopez-Lezcano <nando at ccrma.Stanford.EDU> writes:

> On 05/15/2015 09:18 AM, Yury Bulka wrote:
>> Thank you Fernando. Especially for the rtirq suggestion.
>
> Just a few days ago 4.0.4-rt1 was released. I just released a first
> package of it on the Fedora 21 planetcore repository, lightly tested
> in my laptop and a desktop machine:
>
>> $ uname -r
> 4.0.4-201.rt1.3.fc21.ccrma.x86_64+rt
>
> Enjoy!!
> -- Fernando
>
> PS: I'm currently downloading the Fedora 22 release to start making
> packages for it... it will take a few days to get there. Be patient.
>
>
>> Fernando Lopez-Lezcano <nando at ccrma.Stanford.EDU> writes:
>>
>>> On 05/14/2015 02:22 AM, Yury Bulka wrote:
>>>> Dear CCRMA,
>>>
>>> Hi Yuri,
>>>
>>>> I'm looking for advice on compiling a 4.0 rt kernel "the proper way",
>>>> i.e. to have an -rt package that is similar to the official PlanetCCRMA
>>>> packages. Perhaps just some pointers to information on how this is done
>>>> for planet ccrma. I know how to compile kernels from the bare source
>>>> (from kernel.org), but haven't yet compiled rt kernels into rpms.
>>>>
>>>> Do you have any scripts you use to build the rt kernels?
>>>
>>> No, no scripts (other than my generic build system), just a modified
>>> spec file derived from normal Fedora builds. That is available as part
>>> of the srpm package in the Planet CCRMA "planetcore" repository.
>>>
>>> The problem at the moment is that an rt patch has not been released
>>> for 4.0+. The latest is for 3.18. So there is no way to create an rt
>>> patched 4.0+ kernel without being one of the kernel gurus that deal
>>> with the rt patch...
>>>
>>>> The reason I have to do this is because I'm on a machine that has an
>>>> Intel Broadwell graphics unit that only works properly with 4.0+
>>>> kernels:( That's why I've upgraded to Fedora 22.
>>>>
>>>> Would be enormously grateful for any hints,
>>>
>>> Sorry I can't be of more help... You will have to use the stock Fedora
>>> kernels for now. Make sure you enable IRQ threading and set priorities
>>> with rtirq as that can probably help with latency if that is critical
>>> to your application.
>>>
>>> Eagerly waiting for 4.x.x-rty...
>>> Best,
>>> -- Fernando