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From: Dave Jones <davej@redhat.com>
To: Tang Chen <tangchen@cn.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>,
	tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
	akpm@linux-foundation.org, zhangyanfei@cn.fujitsu.com,
	guz.fnst@cn.fujitsu.com, x86@kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] numa, mem-hotplug: Fix stack overflow in numa when seting kernel nodes to unhotpluggable.
Date: Mon, 27 Jan 2014 09:52:09 -0500	[thread overview]
Message-ID: <20140127145209.GA18016@redhat.com> (raw)
In-Reply-To: <52E60ABF.9020400@cn.fujitsu.com>

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

  reply	other threads:[~2014-01-27 14:52 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-23  5:49 [PATCH] numa, mem-hotplug: Fix stack overflow in numa when seting kernel nodes to unhotpluggable Tang Chen
2014-01-23  6:01 ` Dave Jones
2014-01-23  6:05 ` Andrew Morton
2014-01-23  6:06 ` David Rientjes
2014-01-23  6:13   ` Dave Jones
2014-01-23  6:15     ` David Rientjes
2014-01-23  6:58       ` Dave Jones
2014-01-23 22:31         ` Dave Jones
2014-01-27  7:29           ` Tang Chen
2014-01-27 14:52             ` Dave Jones [this message]
2014-01-23  6:36     ` Tang Chen
2014-01-28  0:32   ` David Rientjes
2014-01-28  1:01     ` Tang Chen
2014-01-28  2:55       ` Dave Jones
2014-01-28  3:14         ` Tang Chen
2014-01-28  3:24         ` Tang Chen
2014-01-28  3:55           ` Dave Jones
2014-01-28  4:47             ` Tang Chen
2014-01-28  4:47               ` Dave Jones
2014-01-28  5:17                 ` Tang Chen
2014-01-28  6:53                   ` Dave Jones
2014-01-28  5:31                 ` Tang Chen
2014-01-28  7:10                   ` Tang Chen

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