Re: [PATCH -tip V2 00/10] workqueue: break affinity initiatively

[Lai Jiangshan]

On Sat, Dec 26, 2020 at 10:52 PM Paul E. McKenney <paulmck@xxxxxxxxxx> wrote:

> >
> > Can you please specify a bit what you encountered in rcutorture
> > before this patchset? You know we cant have a correct estimation
> > of the fix diameter without your help.

>
> It triggers the following in sched_cpu_dying() in kernel/sched/core.c,
> exactly the same as for Lai Jiangshan:
>
>         BUG_ON(rq->nr_running != 1 || rq_has_pinned_tasks(rq))
>
> Which is in fact the "this" in my earlier "rcutorture hits this".  ;-)
>
>                                                         Thanx, Paul
>

Hi, Hillf

https://lkml.org/lkml/2020/12/22/141

>From the email, I think rcutorture encountered the same problem.

Hi, Paul

I'm sorry to forget to add your Tested-by.

Thanks
Lai