Re: [PATCH] task, fix: active_set[NR_CPUS-1] could wrongly be chosen as panic task

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----- Original Message -----
> Hello Dave,
> 
> I found this when investigating how crash determines panic task.
> 
> Honestly I don't have vmcore reproducing this bug but which could happen when
> there're 4096 online CPUS.
> 
> Thanks.
> HATAYAMA, Daisuke

It's surprising that nobody has bumped into this before -- it would 
select that task whenever a dumpfile is taken on a system which 
actually has a real cpu count that is equal to its per-architecture
NR_CPUS value.

Thanks Daisuke -- queued for crash-6.0.2.

Dave

 

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