From: Mel Gorman <mgorman@suse.de>
To: Dave Jones <davej@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Stephen Wilson <wilsons@start.ca>,
Christoph Lameter <cl@linux.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: 3.4-rc7 numa_policy slab poison.
Date: Tue, 22 May 2012 12:59:10 +0100 [thread overview]
Message-ID: <20120522115910.GA3353@suse.de> (raw)
In-Reply-To: <20120521200118.GA12123@redhat.com>
On Mon, May 21, 2012 at 04:01:18PM -0400, Dave Jones wrote:
> On Mon, May 21, 2012 at 12:39:19PM -0700, Linus Torvalds wrote:
>
> > But there's not a lot of recent stuff. The thing that jumps out is Mel
> > Gorman's recent commit cc9a6c8776615 ("cpuset: mm: reduce large
> > amounts of memory barrier related damage v3"), which has a whole new
> > loop with that scary mpol_cond_put() usage. And there's we had
> > problems with vma merging..
> >
> > Dave, how recent is this problem? Have you already tried older kernels?
>
> I tried bisecting, but couldn't find a 'good' kernel.
> I Went back as far as 3.0, before that I kept running into compile failures.
> Newer gcc/binutils really seems to dislike 2.6.x now.
>
This bug is really old as it triggers as far back as 2.6.32.58. I don't
know why yet.
--
Mel Gorman
SUSE Labs
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WARNING: multiple messages have this Message-ID (diff)
From: Mel Gorman <mgorman@suse.de>
To: Dave Jones <davej@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Stephen Wilson <wilsons@start.ca>,
Christoph Lameter <cl@linux.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: 3.4-rc7 numa_policy slab poison.
Date: Tue, 22 May 2012 12:59:10 +0100 [thread overview]
Message-ID: <20120522115910.GA3353@suse.de> (raw)
In-Reply-To: <20120521200118.GA12123@redhat.com>
On Mon, May 21, 2012 at 04:01:18PM -0400, Dave Jones wrote:
> On Mon, May 21, 2012 at 12:39:19PM -0700, Linus Torvalds wrote:
>
> > But there's not a lot of recent stuff. The thing that jumps out is Mel
> > Gorman's recent commit cc9a6c8776615 ("cpuset: mm: reduce large
> > amounts of memory barrier related damage v3"), which has a whole new
> > loop with that scary mpol_cond_put() usage. And there's we had
> > problems with vma merging..
> >
> > Dave, how recent is this problem? Have you already tried older kernels?
>
> I tried bisecting, but couldn't find a 'good' kernel.
> I Went back as far as 3.0, before that I kept running into compile failures.
> Newer gcc/binutils really seems to dislike 2.6.x now.
>
This bug is really old as it triggers as far back as 2.6.32.58. I don't
know why yet.
--
Mel Gorman
SUSE Labs
next prev parent reply other threads:[~2012-05-22 11:59 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-17 21:31 3.4-rc7 numa_policy slab poison Dave Jones
2012-05-18 7:59 ` Sasha Levin
2012-05-18 18:58 ` Dave Jones
2012-05-18 18:58 ` Dave Jones
2012-05-21 15:47 ` Dave Jones
2012-05-21 15:47 ` Dave Jones
2012-05-21 19:39 ` Linus Torvalds
2012-05-21 19:39 ` Linus Torvalds
2012-05-21 20:01 ` Dave Jones
2012-05-21 20:01 ` Dave Jones
2012-05-21 20:18 ` Christoph Lameter
2012-05-21 20:18 ` Christoph Lameter
2012-05-21 20:29 ` Dave Jones
2012-05-21 20:29 ` Dave Jones
2012-05-21 20:36 ` Christoph Lameter
2012-05-21 20:36 ` Christoph Lameter
2012-05-21 20:38 ` Dave Jones
2012-05-21 20:38 ` Dave Jones
2012-05-21 20:47 ` Christoph Lameter
2012-05-21 20:47 ` Christoph Lameter
2012-05-21 21:09 ` Dave Jones
2012-05-21 21:09 ` Dave Jones
2012-05-22 17:27 ` Christoph Lameter
2012-05-22 17:27 ` Christoph Lameter
2012-05-22 17:38 ` Dave Jones
2012-05-22 17:38 ` Dave Jones
2012-05-22 17:59 ` Christoph Lameter
2012-05-22 17:59 ` Christoph Lameter
2012-05-21 20:30 ` Dave Jones
2012-05-21 20:30 ` Dave Jones
2012-05-21 20:41 ` Christoph Lameter
2012-05-21 20:41 ` Christoph Lameter
2012-05-22 11:59 ` Mel Gorman [this message]
2012-05-22 11:59 ` Mel Gorman
2012-05-22 15:42 ` Linus Torvalds
2012-05-22 15:42 ` Linus Torvalds
2012-05-23 11:48 ` Mel Gorman
2012-05-23 11:48 ` Mel Gorman
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