Re: task_stat splat

From: Oleg Nesterov
Date: Sun Nov 23 2014 - 13:27:19 EST


On 11/23, Borislav Petkov wrote:
>
> On Sun, Nov 23, 2014 at 06:22:56PM +0100, Oleg Nesterov wrote:
> > Could you identify somehow the line which matches
> > task_sched_runtime+0x99 ? Probably do_task_delta_exec()...
>
> See http://marc.info/?l=linux-kernel&m=141675498417759&w=2
>
> Chris triggers the same splat and reverting
>
> 6e998916dfe3 ("sched/cputime: Fix clock_nanosleep()/clock_gettime() inconsistency")
>
> fixes the issue for him. I'm testing that same thing reverted too, first
> resume cycle looks good.

Yes, this probably confirms the theory, stop_class needs update_curr.

Oleg.

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