[yocto] [SDK] including kernel devsrc to the SDK failes

[Bas Mevissen]

On 2018-10-29 16:14, Bruce Ashfield wrote:
> On 2018-10-29 11:12 AM, Khem Raj wrote:
>> On Mon, Oct 29, 2018 at 6:46 AM Bruce Ashfield
>> <bruce.ashfield at windriver.com> wrote:
>>> 
>>> 
>>> 
>>> On 10/29/2018 9:10 AM, Khem Raj wrote:
>>>> On Fri, Oct 26, 2018 at 6:54 AM Bruce Ashfield
>>>> <bruce.ashfield at windriver.com> wrote:
>>>>> 
>>>>> 
>>>>> 
>>>>> On 10/26/2018 4:28 AM, Måns Zigher wrote:
>>>>>> So it looks like the number of /bin/awk have increased so the 
>>>>>> patch will
>>>>>> fix one problem but there is more to fix. I have a "workaround" 
>>>>>> evenYup. That works too (as would a variable from the env), but 
>>>>>> we'll still
>> need a sed based patch in the short term.
>>>>>> though I am not so sure it is a workaround or not. The problem is 
>>>>>> fixed
>>>>>> adding to kernel-devsrc.bbappend
>>>>>> 
>>>>>> do_install_append() {
>>>>>> # This fixes the rpm dependency failure on install of 
>>>>>> kernel-devsrc
>>>>>> depending on /bin/awk
>>>>>> cd ${D} || true
>>>>>> for i in $(grep -srI "!/bin/awk" | cut -d":" -f1); do
>>>>>> sed -i -e "s#!/bin/awk#!/usr/bin/env awk#g" $i
>>>>>> done
>>>>>> }
>>>>>> 
>>>>>> The original solution can be found at
>>>>>> 
>>>>>> https://gerrit.automotivelinux.org/gerrit/gitweb?p=AGL/meta-agl.git;a=blobdiff;f=meta-agl-bsp/meta-ti/recipes-kernel/linux/linux-ti-staging_%25.bbappend;h=43fa494a26c132b875c177acf0389163d5e34c06;hp=b2e5431400acef0a5372e5490ac4f464482d4b3b;hb=4bfc821810cdee47611c6d3e94d771971f51fa75;hpb=1cf6b17fd15fde569374c85d4df722784f4e9c67
>>>>>> 
>>>>>> The best solution might be to add kernel patches but since the 
>>>>>> number of
>>>>>> /bin/awk have increased I think that this is fine in the kernel 
>>>>>> universe
>>>>>> but a problem in poky universe. So by adding it to kernel-devsrc 
>>>>>> it will
>>>>>> make sure that when the kernel get's tainted in the future it will 
>>>>>> not
>>>>>> break the rpm build. This is a "bug" only when using rpm ipk will 
>>>>>> not
>>>>>> detect it as a problem.
>>>>> 
>>>>> I'm ok with this type of solution as well, since this is similar
>>>>> to what we've had to do with perf in the past (sed and modify 
>>>>> versus
>>>>> patching). I can always patch and fix things in linux-yocto, but 
>>>>> then
>>>>> another other kernel still suffers the issue.
>>>> 
>>>> 
>>>> can we fix it in upstream kernel to use something like
>>>> #!/usr/bin/env awk
>>>> may be ?
>>> 
>>> 
>>> Yup. That works too (as would a variable from the env), but we'll 
>>> still
>>> need a sed based patch in the short term.
>>> 
>> 
>> short term is fine, but I think this should be fixed in upstream 
>> kernel.
> 
> Also agreed. That was my primary suggestion as well, since even with
> that slow pace, we'd have it in all the kernel trees by the next
> Yocto release window.
> 

I would recommend to keep some kind of automated hot patching in as not 
all vendor kernels will catch up that quickly, if ever.

-- Bas.

> Bruce
> 
>> 
>>> Bruce
>>> 
>>>> 
>>>>> 
>>>>> It would be better if folks with this problem also send patches 
>>>>> upstream
>>>>> to allow us to vary the location of awk via a variable, since that 
>>>>> would
>>>>> eventually fix all kernels without needing any modifications .. but 
>>>>> that
>>>>> is a medium term time play, versus doing the sed operation.
>>>>> 
>>>>> If you have a patch to kernel-devsrc in master, feel free to send 
>>>>> it
>>>>> and cc' me, and I can pull it into my queue, test and then send it 
>>>>> in
>>>>> my next pull request.
>>>>> 
>>>>> Bruce
>>>>> 
>>>>>> 
>>>>>> BR
>>>>>> Måns Zigher
>>>>>> 
>>>>>> Den tors 25 okt. 2018 kl 13:19 skrev Måns Zigher 
>>>>>> <mans.zigher at gmail.com
>>>>>> <mailto:mans.zigher at gmail.com>>:
>>>>>> 
>>>>>>       Hi,
>>>>>> 
>>>>>>       I am trying to add the kernel devsrc to the SDK but I am 
>>>>>> getting the
>>>>>>       following error
>>>>>> 
>>>>>>       Problem: conflicting requests
>>>>>>          - nothing provides /bin/awk needed by 
>>>>>> kernel-devsrc-1.0-r0.imx8mqevk
>>>>>> 
>>>>>>       I have applied the following patch to try and fix this 
>>>>>> problem.
>>>>>> 
>>>>>>       
>>>>>> http://git.yoctoproject.org/cgit/cgit.cgi/linux-yocto/commit/?id=8af11c1cdd8fa08217e702b57cf96e9030db52b2
>>>>>> 
>>>>>>       I have verified that it was applied and run kernel-devsrc 
>>>>>> works. The
>>>>>>       error is from do_populate_sdk and I am suspecting that the 
>>>>>> problem
>>>>>>       is related to me using rpm. I believe rpm might be to smart 
>>>>>> in this
>>>>>>       case detecting the dependency and resulting dnf from failing 
>>>>>> when
>>>>>>       running the task do_populate_sdk. Any suggestion on how to 
>>>>>> get
>>>>>>       forward on this error. I would like to run dnf manually to 
>>>>>> check any
>>>>>>       dependency of the kernel-devsrc rpm package but cannot 
>>>>>> figure out how.
>>>>>> 
>>>>>>       BR
>>>>>>       Måns Zigher
>>>>>> 
>>>>>> 
>>>>>> 
>>>>> --
>>>>> _______________________________________________
>>>>> yocto mailing list
>>>>> yocto at yoctoproject.org
>>>>> https://lists.yoctoproject.org/listinfo/yocto