linux-kernel - Re: NULL pointer in kmem_cache

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Message-ID: <Pine.LNX.4.64.0802150839180.12023@schroedinger.engr.sgi.com>
Date:	Fri, 15 Feb 2008 08:42:13 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>
cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: NULL pointer in kmem_cache_alloc with 2.6.25-rc1

On Fri, 15 Feb 2008, Zhang, Yanmin wrote:

> On my 16-core tigerton, kernel panic when I ran hackbench process testing. See
> below log.
> 

> Kernel panic at line 1637 in file mm/slub.c because object=c->freelist=NULL.

Hmmmm. freelist should never be NULL. Could you rerun the test and boot with 
slub_debug to make sure that there is no memory corruption?
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