Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933773Ab1CXS7Z (ORCPT ); Thu, 24 Mar 2011 14:59:25 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:36400 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933584Ab1CXS7Y (ORCPT ); Thu, 24 Mar 2011 14:59:24 -0400 Date: Thu, 24 Mar 2011 19:59:03 +0100 From: Ingo Molnar To: Pekka Enberg Cc: Christoph Lameter , Eric Dumazet , torvalds@linux-foundation.org, akpm@linux-foundation.org, tj@kernel.org, npiggin@kernel.dk, rientjes@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [GIT PULL] SLAB changes for v2.6.39-rc1 Message-ID: <20110324185903.GA30510@elte.hu> References: <20110324172653.GA28507@elte.hu> <1300990853.3747.189.camel@edumazet-laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: -0.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-0.5 required=5.9 tests=BAYES_00,URIBL_RHS_DOB autolearn=no SpamAssassin version=3.3.1 1.5 URIBL_RHS_DOB Contains an URI of a new domain (Day Old Bread) [URIs: linux.com] -2.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1064 Lines: 37 * Pekka Enberg wrote: > On Thu, Mar 24, 2011 at 8:47 PM, Christoph Lameter wrote: > > > > On Thu, 24 Mar 2011, Eric Dumazet wrote: > > > >> > this_cpu_cmpxchg16b_emu: > >> > ? ? ? ? pushf > >> > ? ? ? ? cli > >> > > >> > ? ? ? ? cmpq %gs:(%rsi), %rax > > > >> Random guess > >> > >> Masking interrupts, and accessing vmalloc() based memory for the first > >> time ? > > > > Hmmm.. Could be. KVM would not really disable interrupts so this may > > explain that the test case works here. > > > > Simple fix would be to do a load before the cli I guess. > > Btw, I tried Ingo's .config and it doesn't boot here so it's somehow > .config related. did you get a similar early crash as i? I'd not expect my .config to have all the drivers that are needed on your box. Thanks, Ingo -- 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/