Re: Hard lockups due to "tick/common: Make tick_periodic() check for missing ticks"

[Stephen Rothwell]

Hi all,

On Thu, 19 Mar 2020 15:00:35 -0400 Waiman Long <longman@xxxxxxxxxx> wrote:
>
> On 3/19/20 9:58 AM, Qian Cai wrote:
> >  
> >> On Mar 6, 2020, at 10:33 PM, Qian Cai <cai@xxxxxx> wrote:
> >>
> >>
> >>  
> >>> On Mar 5, 2020, at 11:06 PM, Qian Cai <cai@xxxxxx> wrote:
> >>>  
> >> Using this config,
> >>  
> >>> https://raw.githubusercontent.com/cailca/linux-mm/master/x86.config  
> >> Reverted the linux-next commit d441dceb5dce (âtick/common: Make tick_periodic() check for missing ticksâ)
> >> 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.

I have reverted that commit from linux-next today.

-- 
Cheers,
Stephen Rothwell

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