From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031806Ab3HJCKH (ORCPT ); Fri, 9 Aug 2013 22:10:07 -0400 Received: from mail-bk0-f48.google.com ([209.85.214.48]:62283 "EHLO mail-bk0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1031757Ab3HJCKF (ORCPT ); Fri, 9 Aug 2013 22:10:05 -0400 MIME-Version: 1.0 In-Reply-To: <52059508.3090405@sr71.net> References: <520578D0.7020607@intel.com> <52059508.3090405@sr71.net> Date: Fri, 9 Aug 2013 19:10:03 -0700 X-Google-Sender-Auth: MDdO_m7jfcrOe8pZudw7F4Z5TBA Message-ID: Subject: Re: x86: early boot crash: "alloc_low_page: ran out of memory" (bisected) From: Yinghai Lu To: Dave Hansen Cc: "the arch/x86 maintainers" , LKML , "H. Peter Anvin" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 9, 2013 at 6:19 PM, Dave Hansen wrote: > On 08/09/2013 04:23 PM, Yinghai Lu wrote: >> On Fri, Aug 9, 2013 at 4:18 PM, Dave Hansen wrote: >>> I'm getting a 100% reproducible panic early in boot: > ... >>>> early console in setup code >>>> [ 0.000000] Initializing cgroup subsys cpuset >>>> [ 0.000000] Initializing cgroup subsys cpu >>>> [ 0.000000] Linux version 3.8.0-rc5-00059-g8170e6b >> >> so how about v3.10? >> >> We should have some fixes in 3.10 already. > > I was hitting it on Linus's current tree today (3.11-rcwhatever). I > pasted the panic() from your patch's commit specifically, but the same > behavior is happening on current kernels, and it looked consistent as I > bisected between the 3.11-rc's and your commit. Can you post 3.11-rc with "debug ignore_loglevel memblock=debug" ? Thanks Yinghai