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SubjectRe: Hard lockups due to "tick/common: Make tick_periodic() check for missing ticks"
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On 3/19/20 9:58 AM, Qian Cai wrote:
>
>> On Mar 6, 2020, at 10:33 PM, Qian Cai <cai@lca.pw> wrote:
>>
>>
>>
>>> On Mar 5, 2020, at 11:06 PM, Qian Cai <cai@lca.pw> wrote:
>>>
>> Using this config,
>>
>>> https://raw.githubusercontent.com/cailca/linux-mm/master/x86.config
>> Reverted the linux-next commit d441dceb5dce (“tick/common: Make tick_periodic() check for missing ticks”)
>> fixed the lockup that could easily happen during boot.
>
> Thomas or Stephen, can you back out this patch from linux-next while Waiman is getting to the bottom of it?
> I can still reproduce it as today.

I am fine for reverting the patch for now. I am still having some
trouble reproducing it and I have other tasks to work on right now. I
will get to the bottom of it and resubmit a new patch later on.

Cheers,
Longman

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