Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757521AbYBOQm0 (ORCPT ); Fri, 15 Feb 2008 11:42:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754555AbYBOQmO (ORCPT ); Fri, 15 Feb 2008 11:42:14 -0500 Received: from relay1.sgi.com ([192.48.171.29]:53329 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753402AbYBOQmO (ORCPT ); Fri, 15 Feb 2008 11:42:14 -0500 Date: Fri, 15 Feb 2008 08:42:13 -0800 (PST) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: "Zhang, Yanmin" cc: LKML Subject: Re: NULL pointer in kmem_cache_alloc with 2.6.25-rc1 In-Reply-To: <1203058021.3027.143.camel@ymzhang> Message-ID: References: <1203058021.3027.143.camel@ymzhang> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 604 Lines: 15 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? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/