From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3925042-1518005315-2-14339848877632446110 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no ("Email failed DMARC policy for domain") X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.001, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='com', MailFrom='org' X-Spam-charsets: plain='us-ascii' X-IgnoreVacation: yes ("Email failed DMARC policy for domain") X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1518005314; b=jiqAS08hbMU0Bp//VUrhduQJRFdxxJb0FBasnu3GolESFuD 5wXSuYyvxM/k8mqbTXnDDnF2zhKsPU9BrXjL49GlaPNBvgdzNZTqTzOM81MHmBMO O7LT24FBKgMEIROCYZpKEb/qgnqxSMDevKSd3zbkc5qojCxP618nVgi83aZQz78T fllXWGl5HILmo80pgBzHRa0ZSU+3uFr4OTc7VcTGfVN0h1BStTYMY1F7lY7ME4Ac 0ydbR/sHkns44jvN7OUPvsyTxx7kwpQCrMhLUvQPLw12fGkGyWJHyRT4xguA5fjb GWm4J8LowkZY8+E/WC62QRYRorgslbDaq8J6kZw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to:sender :list-id; s=arctest; t=1518005314; bh=eCln+2FgF6UmW20MXYwd7PCiiv IjXFPpB6eu28UA/QY=; b=xCUAs/zOoy/AfjxzbAygcgckGt7NmbPJIVeViW3WDO sckLZ2E2i9vmqM3bxpWI/gydLG32MqqD9+mhw0WzQZ/BYk9rSA1WkHnHUxmmE1Gg kVvyGDSKyeOsdJaZag8Ac6P+0FO8T8oQ8zH3GgzrV+2RSW40xayelU10Lz5Q9Hz7 ALqx0UsRahPYmh+Xq/5VUDs6qzQfUOqTFPoDgXnrucKYG+AS4hxQBThfk2bGyqgH mobeVz5bS6v1D3VRv2A9+CXMe4ylMa2/FMWx7h8+1kOuMxaSbzKA4YhF9HET7OQE dbVHp9MNoc6xOmwP+rPL3B++jq0B/vKOzCr1hpD9Ra9Q== ARC-Authentication-Results: i=1; mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=fail (p=none,has-list-id=yes,d=none) header.from=redhat.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=redhat.com header.result=pass header_is_org_domain=yes Authentication-Results: mx4.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=fail (p=none,has-list-id=yes,d=none) header.from=redhat.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=redhat.com header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753648AbeBGMId (ORCPT ); Wed, 7 Feb 2018 07:08:33 -0500 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:57594 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753535AbeBGMIc (ORCPT ); Wed, 7 Feb 2018 07:08:32 -0500 Date: Wed, 7 Feb 2018 20:08:27 +0800 From: Baoquan He To: Dou Liyang Cc: Mike Galbraith , "Kirill A. Shutemov" , Ingo Molnar , Andrew Morton , Peter Zijlstra , Greg Kroah-Hartman , Dave Young , kexec@lists.infradead.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Andy Lutomirski , linux-mm@kvack.org, Vivek Goyal , Cyrill Gorcunov , Thomas Gleixner , Borislav Petkov , Linus Torvalds , "Kirill A. Shutemov" , Takao Indoh Subject: Re: [PATCH 4.14 023/159] mm/sparsemem: Allocate mem_section at runtime for CONFIG_SPARSEMEM_EXTREME=y Message-ID: <20180207120827.GB30270@localhost.localdomain> References: <20171222084625.007160464@linuxfoundation.org> <1515302062.6507.18.camel@gmx.de> <20180108160444.2ol4fvgqbxnjmlpg@gmail.com> <20180108174653.7muglyihpngxp5tl@black.fi.intel.com> <20180109001303.dy73bpixsaegn4ol@node.shutemov.name> <1515469448.6766.12.camel@gmx.de> <20180207104111.sljc62bgkggmtio4@node.shutemov.name> <1518000336.29698.1.camel@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.1 (2017-09-22) Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On 02/07/18 at 08:00pm, Dou Liyang wrote: > Hi Kirill,Mike > > At 02/07/2018 06:45 PM, Mike Galbraith wrote: > > On Wed, 2018-02-07 at 13:41 +0300, Kirill A. Shutemov wrote: > > > On Wed, Feb 07, 2018 at 05:25:05PM +0800, Dou Liyang wrote: > > > > Hi All, > > > > > > > > I met the makedumpfile failed in the upstream kernel which contained > > > > this patch. Did I missed something else? > > > > > > None I'm aware of. > > > > > > Is there a reason to suspect that the issue is related to the bug this patch > > > fixed? > > > > I did a contrastive test by my colleagues Indoh's suggestion. > > Revert your two commits: > > commit 83e3c48729d9ebb7af5a31a504f3fd6aff0348c4 > Author: Kirill A. Shutemov > Date: Fri Sep 29 17:08:16 2017 +0300 > > commit 629a359bdb0e0652a8227b4ff3125431995fec6e > Author: Kirill A. Shutemov > Date: Tue Nov 7 11:33:37 2017 +0300 > > ...and keep others unchanged, the makedumpfile works well. > > > Still works fine for me with .today. Box is only 16GB desktop box though. > > > Btw, In the upstream kernel which contained this patch, I did two tests: > > 1) use the makedumpfile as core_collector in /etc/kdump.conf, then > trigger the process of kdump by echo 1 >/proc/sysrq-trigger, the > makedumpfile works well and I can get the vmcore file. > > ......It is OK > > 2) use cp as core_collector, do the same operation to get the vmcore file. > then use makedumpfile to do like above: > > [douly@localhost code]$ ./makedumpfile -d 31 --message-level 31 -x > vmlinux_4.15+ vmcore_4.15+_from_cp_command vmcore_4.15+ Oh, then please ignore my previous comment. Adding '-D' can give more debugging message. > > ......It causes makedumpfile failed. > > > Thanks, > dou. > > > -Mike > > > > > > > >