Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754824AbYHNOqv (ORCPT ); Thu, 14 Aug 2008 10:46:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751680AbYHNOql (ORCPT ); Thu, 14 Aug 2008 10:46:41 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:56983 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751182AbYHNOqk (ORCPT ); Thu, 14 Aug 2008 10:46:40 -0400 Message-ID: <48A444FC.8090908@linux-foundation.org> Date: Thu, 14 Aug 2008 09:45:16 -0500 From: Christoph Lameter User-Agent: Thunderbird 2.0.0.14 (Windows/20080421) MIME-Version: 1.0 To: Pekka Enberg CC: KOSAKI Motohiro , KOSAKI Motohiro , Matthew Wilcox , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Mel Gorman , andi@firstfloor.org, Rik van Riel Subject: Re: No, really, stop trying to delete slab until you've finished making slub perform as well References: <20080805210125.A897.KOSAKI.MOTOHIRO@jp.fujitsu.com> <48986AC6.5030406@linux-foundation.org> <20080813194222.E77F.KOSAKI.MOTOHIRO@jp.fujitsu.com> <48A2DD2C.3090602@linux-foundation.org> <48A3DBAC.6010109@cs.helsinki.fi> In-Reply-To: <48A3DBAC.6010109@cs.helsinki.fi> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 503 Lines: 13 Pekka Enberg wrote: > This patch hard locks on my 2-way 64-bit x86 machine (sysrq doesn't > respond) when I run hackbench. Hmmm.. Then the issue may be different than we thought. Lock may be taken recursively in some situations. Can you enable lockdep? -- 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/