linux-kernel - Re: [BUG] 2.6.23-rc3-mm1 kernel BUG at mm/page

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Date:	Thu, 23 Aug 2007 13:05:22 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mel@...net.ie>, linux-kernel@...r.kernel.org,
	Balbir Singh <balbir@...ux.vnet.ibm.com>, linux-mm@...ck.org
Subject: Re: [BUG] 2.6.23-rc3-mm1 kernel BUG at mm/page_alloc.c:2876!

On Thu, 23 Aug 2007, Kamalesh Babulal wrote:

> After applying the patch, the call trace is gone but the kernel bug
> is still hit

Yes that is what we expected. We need more information to figure out why 
the kmalloc_node fails there. It should walk through all nodes to find 
memory.

I see that you have 4 cpus and 16 nodes. How are the cpus assigned to 
nodes? If a cpu would be assigned to a nonexisting node then this could be 
the result.

Could you post the full boot log?

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