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

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Date:	Mon, 27 Jan 2014 23:47:49 -0500
From:	Dave Jones <davej@...hat.com>
To:	Tang Chen <tangchen@...fujitsu.com>
Cc:	David Rientjes <rientjes@...gle.com>, tglx@...utronix.de,
	mingo@...hat.com, hpa@...or.com, akpm@...ux-foundation.org,
	zhangyanfei@...fujitsu.com, guz.fnst@...fujitsu.com,
	x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] numa, mem-hotplug: Fix stack overflow in numa when
 seting kernel nodes to unhotpluggable.

On Tue, Jan 28, 2014 at 12:47:11PM +0800, Tang Chen wrote:
 > On 01/28/2014 11:55 AM, Dave Jones wrote:
 > > On Tue, Jan 28, 2014 at 11:24:37AM +0800, Tang Chen wrote:
 > >
 > >   >  >  I did a bisect with the patch above applied each step of the way.
 > >   >  >  This time I got a plausible looking result....
 > >   >
 > >   >  I cannot reproduce this. Would you please share how to reproduce it ?
 > >   >  Or does it just happen during the booting ?
 > >
 > > Just during boot. Very early. So early in fact, I have no logging facilities
 > > like usb-serial, just what is on vga console.
 > >
 > > If you want me to add some printk's, I can add a while (1); before
 > > the part that oopses so we can diagnose further..
 > 
 > Sure. Would you please do that for me ? Maybe we can find something in 
 > the early log.

I was hoping you'd have suggestions what you'd like me to dump ;-)

	Dave

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