Jan Kiszka <jan.kis...@siemens.com> writes:
> On 25.02.21 14:54, Philippe Gerum wrote: >> >> Jan Kiszka <jan.kis...@siemens.com> writes: >> >>> 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? >> >> Something may be going wrong with MAP_SHARED mappings wrt commit_vma() >> in Dovetail. I'm adding this to my debug queue. >> > > This is still I-pipe, not a dovetail-related issues. This I-pipe release mimics what Dovetail does wrt mm pinning. -- Philippe.
