Re: [PATCH] sched/deadline: Fix BUG_ON condition for deboosted tasks

From: Juri Lelli
Date: Mon Jul 18 2022 - 09:01:37 EST


On 18/07/22 07:46, Ankit Jain wrote:

...

> Hi Juri,
>
> Actually, while testing I already included below commits in 4.19-rt :
>
> feff2e65efd8d84cf831668e182b2ce73c604bbb (sched/deadline: Unthrottle PI boosted threads while
> enqueuing)
> 46fcc4b00c3cca8adb9b7c9afdd499f64e427135 (sched/deadline: Fix stale throttling on de-/boosted tasks)
> 2279f540ea7d05f22d2f0c4224319330228586bc (sched/deadline: Fix priority inheritance with multiple)
> 0e3872499de1a1230cef5221607d71aa09264bd5 (kernel/sched: Remove dl_boosted flag comment)

Interesting.

Is the workload you are using to test this easily reproducible? I'd like
to try that out on my end to check if I see the same (of course the
issue I was working on goes away with my fix :).

Best,
Juri