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Subject4.19.106-rt44 -- boot problems with irqwork: push most work into softirq context

On Thu 2020-03-19 22:48:35, Pavel Machek wrote:
> Hi!
>
> > I'm pleased to announce the 4.19.106-rt44 stable release.
> >
> >
> > This release is just an update to the new stable 4.19.106 version
> > and no RT specific changes have been made.
> >
> >
> > You can get this release via the git tree at:
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git
> >
> > branch: v4.19-rt
> > Head SHA1: 0f2960c75dd68d339f0aff2935f51652b5625fbf
>
> This brought some problems for me. de0-nano board now fails to boot in
> cca 50% of cases if I move these patches on top of -cip tree.
>
> This is example of failed job:
>
> https://lava.ciplatform.org/scheduler/job/13037
>
> de0-nano is 32-bit arm, should be based on Altera SoCFPGA if I understand
> things correctly.
>
> "fc9f4631a290 irqwork: push most work into softirq context" touches
> area of the panic above. I tried to revert it on top of the full
> series, and tests passed twice so far...

Test passed 7 times now. So yes, reverting this fixes de0-nano
boot. Any ideas what might be wrong?

I'll be running it few more times.

https://gitlab.com/cip-project/cip-kernel/linux-cip/pipelines/127953471

Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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