Re: frequent lockups in 3.18rc4

[Peter Zijlstra]

On Tue, Dec 02, 2014 at 08:33:53AM -0800, Linus Torvalds wrote:
> On Tue, Dec 2, 2014 at 6:13 AM, Mike Galbraith <umgwanakikbuti@xxxxxxxxx> wrote:
> >
> > The bean counting problem below can contribute.
> >
> > https://lkml.org/lkml/2014/3/30/7
> 
> Hmm. That never got applied. I didn't apply it originally because of
> timing and wanting clarifications, but apparently it never made it
> into the -tip tree either.
> 
> Ingo, PeterZ - comments?

My comment at the time was:

https://lkml.org/lkml/2014/4/8/295

Of course that debug patch doesn't apply anymore. But we've had so many
fails with that skip_clock_update thing that we need more than yet
another fudge without real means of validating stuff.

I'll go see if I can get that debug infra back up.

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