From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with ESMTP id A7AB58D0040 for ; Thu, 24 Mar 2011 14:59:20 -0400 (EDT) Date: Thu, 24 Mar 2011 19:59:03 +0100 From: Ingo Molnar 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: Sender: owner-linux-mm@kvack.org List-ID: 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 * 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org