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SubjectRe: [RFC][PATCH 00/16] sched: Core scheduling
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On 3/10/19 9:23 PM, Aubrey Li wrote:
> On Sat, Mar 9, 2019 at 3:50 AM Subhra Mazumdar
> <subhra.mazumdar@oracle.com> wrote:
>> expected. Most of the performance recovery happens in patch 15 which,
>> unfortunately, is also the one that introduces the hard lockup.
>>
> After applied Subhra's patch, the following is triggered by enabling
> core sched when a cgroup is
> under heavy load.
>
It seems you are facing some other deadlock where printk is involved.
Can you
drop the last patch (patch 16 sched: Debug bits...) and try?

Thanks,
Subhra

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