Re: [Bug #38292] slab vs lockdep vs debugobjects

Peter Zijlstra
2011-06-26T22:52:19Z

On Mon, 2011-06-27 at 00:31 +0200, Ingo Molnar wrote:
> * Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org> wrote:
>
> > On Sun, 2011-06-26 at 23:23 +0200, Rafael J. Wysocki wrote:
> > > This message has been generated automatically as a part of a summary report
> > > of recent regressions.
> > >
> > > The following bug entry is on the current list of known regressions
> > > from 2.6.39. Please verify if it still should be listed and let the tracking team
> > > know (either way).
> >
> > who said its a regression?
>
> I suspect Rafael saw your mail to lkml with a nasty looking lockdep
> message in it and assumed it was a new one?
>
> Instead it's one that always had the chance to trigger?

Yeah, its just terribly hard, you need all the various debug options
enabled and a lot of luck. There's nothing involved that changed
recently afaik.