From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934485Ab3BSV46 (ORCPT ); Tue, 19 Feb 2013 16:56:58 -0500 Received: from mail-ve0-f177.google.com ([209.85.128.177]:36520 "EHLO mail-ve0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933545Ab3BSV45 (ORCPT ); Tue, 19 Feb 2013 16:56:57 -0500 MIME-Version: 1.0 In-Reply-To: <5113450C.1080109@huawei.com> References: <51074786.5030007@huawei.com> <1359995565.7515.178.camel@mfleming-mobl1.ger.corp.intel.com> <51131248.3080203@huawei.com> <5113450C.1080109@huawei.com> Date: Tue, 19 Feb 2013 13:56:55 -0800 Message-ID: Subject: Re: [PATCH V3] ia64/mm: fix a bad_page bug when crash kernel booting From: Tony Luck To: Xishi Qiu Cc: Matt Fleming , fenghua.yu@intel.com, Liujiang , Andrew Morton , linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, linux-mm@kvack.org, Hanjun Guo , WuJianguo 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 Foolishly sent an earlier reply from Outlook which appears to have mangled/lost it. Trying again ... > In efi_init() memory aligns in IA64_GRANULE_SIZE(16M). If set "crashkernel=1024M-:600M" Is this where the real problem begins? Should we insist that users provide crashkernel parameters rounded to GRANULE boundaries? -Tony From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Luck Subject: Re: [PATCH V3] ia64/mm: fix a bad_page bug when crash kernel booting Date: Tue, 19 Feb 2013 13:56:55 -0800 Message-ID: References: <51074786.5030007@huawei.com> <1359995565.7515.178.camel@mfleming-mobl1.ger.corp.intel.com> <51131248.3080203@huawei.com> <5113450C.1080109@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: In-Reply-To: <5113450C.1080109-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Xishi Qiu Cc: Matt Fleming , fenghua.yu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, Liujiang , Andrew Morton , linux-ia64-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, Hanjun Guo , WuJianguo List-Id: linux-efi@vger.kernel.org Foolishly sent an earlier reply from Outlook which appears to have mangled/lost it. Trying again ... > In efi_init() memory aligns in IA64_GRANULE_SIZE(16M). If set "crashkernel=1024M-:600M" Is this where the real problem begins? Should we insist that users provide crashkernel parameters rounded to GRANULE boundaries? -Tony From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx181.postini.com [74.125.245.181]) by kanga.kvack.org (Postfix) with SMTP id 47E286B0002 for ; Tue, 19 Feb 2013 16:56:57 -0500 (EST) Received: by mail-vc0-f182.google.com with SMTP id fl17so4649003vcb.41 for ; Tue, 19 Feb 2013 13:56:56 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <5113450C.1080109@huawei.com> References: <51074786.5030007@huawei.com> <1359995565.7515.178.camel@mfleming-mobl1.ger.corp.intel.com> <51131248.3080203@huawei.com> <5113450C.1080109@huawei.com> Date: Tue, 19 Feb 2013 13:56:55 -0800 Message-ID: Subject: Re: [PATCH V3] ia64/mm: fix a bad_page bug when crash kernel booting From: Tony Luck Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Xishi Qiu Cc: Matt Fleming , fenghua.yu@intel.com, Liujiang , Andrew Morton , linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, linux-mm@kvack.org, Hanjun Guo , WuJianguo Foolishly sent an earlier reply from Outlook which appears to have mangled/lost it. Trying again ... > In efi_init() memory aligns in IA64_GRANULE_SIZE(16M). If set "crashkernel=1024M-:600M" Is this where the real problem begins? Should we insist that users provide crashkernel parameters rounded to GRANULE boundaries? -Tony -- 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/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Luck Date: Tue, 19 Feb 2013 21:56:55 +0000 Subject: Re: [PATCH V3] ia64/mm: fix a bad_page bug when crash kernel booting Message-Id: List-Id: References: <51074786.5030007@huawei.com> <1359995565.7515.178.camel@mfleming-mobl1.ger.corp.intel.com> <51131248.3080203@huawei.com> <5113450C.1080109@huawei.com> In-Reply-To: <5113450C.1080109@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Xishi Qiu Cc: Matt Fleming , fenghua.yu@intel.com, Liujiang , Andrew Morton , linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, linux-mm@kvack.org, Hanjun Guo , WuJianguo Foolishly sent an earlier reply from Outlook which appears to have mangled/lost it. Trying again ... > In efi_init() memory aligns in IA64_GRANULE_SIZE(16M). If set "crashkernel24M-:600M" Is this where the real problem begins? Should we insist that users provide crashkernel parameters rounded to GRANULE boundaries? -Tony