Re: Long standing kernel warning: perfevents: irq loop stuck!

[Andi Kleen]

> Given the HSD143 errata and its possible relevance, have you tried
> changing the magic number to 32, does it then still fix things?
> 
> No real objection to the patch as such, it just needs a coherent comment
> and a tested-by tag I think.

128 min period will affect a lot of valid use cases with slower ticking
events.  I often use smaller periods there.

It would be better to debug this properly.

Or at a minimum only do the limitation for the events that tick really
fast (like cycles, uops retired etc.)

-Andi