Re: [PATCH] kernel/watchdog: fix spurious hard lockups

[Prarit Bhargava]

On 06/20/2017 05:33 PM, kan.liang@xxxxxxxxx wrote:
> From: Kan Liang <Kan.liang@xxxxxxxxx>
> 
> Some users reported spurious NMI watchdog timeouts.
> 
> We now have more and more systems where the Turbo range is wide enough
> that the NMI watchdog expires faster than the soft watchdog timer that
> updates the interrupt tick the NMI watchdog relies on.
> 

Hmm ... odd that I haven't seen this.  We're running a pretty wide
variety of systems here.  Do you have a reproducer?  I'd like to see
this occur on production HW.

P.