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 22:55:18 -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 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..

	Dave
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