On Fri, Aug 12, 2022 at 10:21 AM Jose Quaresma <[email protected]> wrote:
>
> Hi Bruce,
>
> I can replicate this issue without touching the do_shared_workdir using the 
> KERNEL_EXTRA_ARGS.
>
> Update the bug ticket with the step to reproduce.
> https://bugzilla.yoctoproject.org/show_bug.cgi?id=14885

Thanks for the update. I'll have a look shortly!

Bruce

>
> Jose
>
> Bruce Ashfield <[email protected]> escreveu no dia quinta, 11/08/2022 
> à(s) 18:46:
>>
>> On Thu, Aug 11, 2022 at 1:26 PM Jose Quaresma <[email protected]> 
>> wrote:
>> >
>> >
>> >
>> > Bruce Ashfield <[email protected]> escreveu no dia quinta, 
>> > 11/08/2022 à(s) 18:06:
>> >>
>> >> On Thu, Aug 11, 2022 at 12:18 PM Jose Quaresma <[email protected]> 
>> >> wrote:
>> >> >
>> >> > When the kernel is rebuild or some of they tasks change the
>> >> > kernel modules is not rebuild as well and will comes from
>> >> > the sstate-cache.
>> >> >
>> >> > [YOCTO #14885] https://bugzilla.yoctoproject.org/show_bug.cgi?id=14885
>> >> >
>> >> > Signed-off-by: Jose Quaresma <[email protected]>
>> >> > ---
>> >> >  meta/classes/module.bbclass | 2 ++
>> >> >  1 file changed, 2 insertions(+)
>> >> >
>> >> > diff --git a/meta/classes/module.bbclass b/meta/classes/module.bbclass
>> >> > index a09ec3ed1e..d377a08bc6 100644
>> >> > --- a/meta/classes/module.bbclass
>> >> > +++ b/meta/classes/module.bbclass
>> >> > @@ -1,5 +1,7 @@
>> >> >  inherit module-base kernel-module-split pkgconfig
>> >> >
>> >> > +DEPENDS += "virtual/kernel"
>> >>
>> >> There's already a dependency on virtual/kernel:do_shared_workdir() through
>> >> module-base.bbclass and the make-mod-scripts dependency.
>> >
>> >
>> > I know that and imo the make-mod-scripts need to be cleaned up a bit as 
>> > well
>> > It is compile the the code do_configure and as a dependency in 
>> > "virtual/kernel:do_compile_kernelmodules"
>>
>> Right. It doesn't save much, but being able to start dependent tasks even
>> that bit sooner has proven to be a win. We get plenty of complaints about
>> the kernel being a bottleneck, which is what lead to the finer dependency.
>>
>> > for they do_compile anyway this is another history and I will submit some 
>> > patch when finished.
>> > Another thing that I have in my mind is to make the  make-mod-scripts a 
>> > native recipe because they
>> > don't build anything for the target.
>> >
>>
>> make-mod-scripts is a bit strange indeed, it sits somewhere in the middle, it
>> does use the target compiler, etc, for some tests that the kernel fires as 
>> part
>> of even the scripts and preparation. Which is why it hasn't been -native only
>> up until now .. it isn't out of the question that we could use it in
>> more of a cross
>> friendly way (there are some really old bugs/enhancements around that topic).
>>
>> It might be worth a try, but if it isn't breaking anything .. I tread
>> very carefully
>> around the kernel dependencies, shared-workdir and the scripts. We've had
>> many subtle race conditions and other hard to debug issues.
>>
>> >>
>> >>
>> >> And that dependency was a change to this:
>> >>
>> >> -# This is instead of DEPENDS = "virtual/kernel"
>> >> -do_configure[depends] += "virtual/kernel:do_compile_kernelmodules"
>> >>
>> >> i.e. we've always had a finer grained dependency than what is being
>> >> proposed here.
>> >>
>> >> We need to understand why that shared_workdir() dependency isn't
>> >> doing the job any more, and if there's no way to fix it .. then going back
>> >> to the older compile dependency is still lighter weight than depending
>> >> on virtual/kernel (and the default of do_prepare_recipe_sysroot).
>> >
>> >
>> > I can do another round in order to change another task, other than the 
>> > shared_workdir,
>> > that I think will do the same i.e: get the modules from the sstate-cache.
>> > I suspect this is unrelated to the task shared_workdir.
>> >
>> > Thanks for the feedback and your time.
>>
>> I can dig into it more as well, I'll see what I can find in some local 
>> builds.
>>
>> Bruce
>>
>> >
>> > Jose
>> >
>> >>
>> >>
>> >> It must (could?) be something with the shared workdir changing the 
>> >> interactions.
>> >>
>> >> Bruce
>> >>
>> >> > +
>> >> >  EXTRA_OEMAKE += "KERNEL_SRC=${STAGING_KERNEL_DIR}"
>> >> >
>> >> >  MODULES_INSTALL_TARGET ?= "modules_install"
>> >> > --
>> >> > 2.37.1
>> >> >
>> >> >
>> >> > 
>> >> >
>> >>
>> >>
>> >> --
>> >> - Thou shalt not follow the NULL pointer, for chaos and madness await
>> >> thee at its end
>> >> - "Use the force Harry" - Gandalf, Star Trek II
>> >
>> >
>> >
>> > --
>> > Best regards,
>> >
>> > José Quaresma
>>
>>
>>
>> --
>> - Thou shalt not follow the NULL pointer, for chaos and madness await
>> thee at its end
>> - "Use the force Harry" - Gandalf, Star Trek II
>
>
>
> --
> Best regards,
>
> José Quaresma



-- 
- Thou shalt not follow the NULL pointer, for chaos and madness await
thee at its end
- "Use the force Harry" - Gandalf, Star Trek II
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