Re: [PATCH] numa, mem-hotplug: Fix stack overflow in numa whenseting kernel nodes to unhotpluggable.

From: Dave Jones
Date: Mon Jan 27 2014 - 09:52:42 EST


On Mon, Jan 27, 2014 at 03:29:03PM +0800, Tang Chen wrote:

> > Some build tests show..
> >
> > MAXSMP ( NODESHIFT=10 ) : Bug
> > NRCPUS=4& NODESHIFT=10 : Bug
> > NRCPUS=4& NODESHIFT=1 : no bug
> >
> >
> > The middle config test was accidental, I hadn't realised disabling MAXSMP
> > wouldn't reset NODESHIFT to something sane.
> >
> > I'll start bisecting, as MAXSMP worked fine until a few days ago.
>
> Hi Dave,
>
> I didn't reproduce this bug. Would you please share the bisect result ?

The bisect pointed at something completely unrelated, and then when I tried
again on git HEAD, I couldn't reproduce it..
If I manage to get it happening again I'll look into it more, but for now
it seems to have gone into hiding.

Dave
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