Jan Kiszka <[email protected]> writes:
> On 25.02.21 15:18, Philippe Gerum wrote: >> >> Jan Kiszka <[email protected]> writes: >> >>> On 25.02.21 14:54, Philippe Gerum wrote: >>>> >>>> Jan Kiszka <[email protected]> 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 <[email protected]>: >>>>>> >>>>>>> Am Wed, 10 Feb 2021 12:08:43 +0100 >>>>>>> schrieb Jan Kiszka via Xenomai <[email protected]>: >>>>>>> >>>>>>>> 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. >> > > Any news on this from your side? > No time slot for working on this yet. High multiplexing rate ATM. -- Philippe.
