On Wed, Feb 10, 2021 at 10:00 AM Jan Kiszka <jan.kis...@siemens.com> wrote:

> On 10.02.21 15:58, Greg Gallagher wrote:
> >
> >
> > On Wed, Feb 10, 2021 at 7:41 AM Greg Gallagher <g...@embeddedgreg.com
> > <mailto:g...@embeddedgreg.com>> wrote:
> >
> >
> >
> >     On Wed, Feb 10, 2021 at 6:08 AM Jan Kiszka <jan.kis...@siemens.com
> >     <mailto:jan.kis...@siemens.com>> wrote:
> >
> >         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
> >         <
> https://xenomai.org/downloads/ipipe/v4.x/arm64/ipipe-core-4.19.165-cip41-arm64-09.patch
> >
> >         >>>
> >         >>> Repository: https://git.xenomai.org/ipipe-arm64
> >         <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
> >         <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.
> >
> >         Jan
> >
> >         >
> >         >> Guess we need to understand this next now, specifically as it
> >         "spreads".
> >         >>
> >         >> Jan
> >         >>
> >         >
> >
> >         --
> >         Siemens AG, T RDA IOT
> >         Corporate Competence Center Embedded Linux
> >
> >
> >     I’ll look into this today, seems to be the same issue I’m looking at
> >     for 5.4
> >
> >     Greg
> >
> >
> >
> > Based on the log I assume this is coming from the setsched test.  This
> > test passes on my ultra96 board and zynq 7000, I'll build beagleboard
> > black and qemu to continue to investigate.
> >
>
> Please check if our kernel configs deviate in any suspicious way - or
> try them instead [1].
>
> Jan
>
> [1]
>
> https://gitlab.denx.de/Xenomai/xenomai-images/-/tree/master/recipes-kernel/linux/files
>
> --
> Siemens AG, T RDA IOT
> Corporate Competence Center Embedded Linux
>

I used the arm64_defconfig and I still don't see the error.  I tried with
gcc 10 and gcc 7.3.  I'll try reproducing on the beaglebone black. I pushed
up a fix for the ipipe-arm for a build error I found and hopefully I'll
have more luck when I test this tomorrow.

-Greg

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