On 24.02.21 12:35, Henning Schild via Xenomai wrote:
> Am Wed, 24 Feb 2021 11:24:55 +0100
> schrieb Henning Schild via Xenomai <xenomai@xenomai.org>:
> 
>> Am Wed, 10 Feb 2021 12:08:43 +0100
>> schrieb Jan Kiszka via Xenomai <xenomai@xenomai.org>:
>>
>>> On 10.02.21 11:07, Bezdeka, Florian (T RDA IOT SES-DE) wrote:  
>>>> On Wed, 2021-02-10 at 09:15 +0100, Jan Kiszka via Xenomai wrote:
>>>>   
>>>>> On 10.02.21 07:22, xenomai--- via Xenomai wrote:    
>>>>>> Download URL:
>>>>>> https://xenomai.org/downloads/ipipe/v4.x/arm64/ipipe-core-4.19.165-cip41-arm64-09.patch
>>>>>>
>>>>>> Repository: https://git.xenomai.org/ipipe-arm64
>>>>>> Release tag: ipipe-core-4.19.165-cip41-arm64-09
>>>>>>    
>>>>>
>>>>> Hmm, now we have the 5.4-arm64 issue also on 4.19:
>>>>> https://gitlab.denx.de/Xenomai/xenomai-images/-/jobs/219984
>>>>>    
>>>>
>>>> I don't know much about the things going on here, but found this
>>>> line in the log. Maybe a starting point...
>>>>
>>>> 2021-02-10T07:51:47 setsched.c:120, assertion failed: stats.msw ==
>>>> msw   
>>>
>>> Exactly, that is causing the overall failure. And it was first seen
>>> with the newly added 5.4 kernel.  
>>
>> Seing the same on amd64 when testing on qemu, real HW is fine.
>>
>> Managed to bisect it down to 4.19.147-cip (good) 4.19.150-cip (bad)
>>
>> Which also means that ipipe-core-4.19.152-cip37-x86-15 is affected.
>>
>> https://gitlab.denx.de/Xenomai/xenomai-images/-/jobs/200646
>> did not find it, so maybe our config differs

Already compared yours against the one in xenomai-images? That would be
useful.

> 
> Digging further i found 0f0b6099c45ff3e06d2487816cf1ff30d21835f6 likely
> causing the problem.
> 
> ipipe-core-4.19.152-cip37-x86-15 <- bad
> revert 2b294ac325c7ce3f36854b74d0d1d89dc1d1d8b8
> revert 8579a0440381353e0a71dd6a4d4371be8457eac4 <- bad
> revert 0f0b6099c45ff3e06d2487816cf1ff30d <- good
> 
> I think here Jan or Phillipe should take over.

Thanks for bisecting, this is helpful!

Philippe, any immediate idea why all that is failing now?

Jan

-- 
Siemens AG, T RDA IOT
Corporate Competence Center Embedded Linux

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