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SubjectRe: Crash in fair scheduler
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On 03/12/2019 11:30, Valentin Schneider wrote:
> On 03/12/2019 09:11, Schmid, Carsten wrote:

[...]

> That looks a lot like a recent issue we've had, see
>
> https://lore.kernel.org/lkml/20191108131909.428842459@infradead.org/
>
> The issue is caused by
>
> 67692435c411 ("sched: Rework pick_next_task() slow-path")
>
> which 5.4-rc2 has (without the fix which landed in -rc7) but 4.14 really
> shouldn't, unless the kernel you're using has had core scheduling somehow
> backported to it?
>
> I've only scraped the surface but I'd like to first ask: can you reproduce
> the issue on v5.4 final ?

Can't be. 4.14.86 does not have ("sched: Rework pick_next_task()
slow-path").

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