From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A65FC43387 for ; Tue, 15 Jan 2019 11:00:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5D35120861 for ; Tue, 15 Jan 2019 11:00:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729120AbfAOLAZ (ORCPT ); Tue, 15 Jan 2019 06:00:25 -0500 Received: from mx1.redhat.com ([209.132.183.28]:55544 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728508AbfAOLAZ (ORCPT ); Tue, 15 Jan 2019 06:00:25 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9B4ED80461; Tue, 15 Jan 2019 11:00:24 +0000 (UTC) Received: from localhost.localdomain (ovpn-12-83.pek2.redhat.com [10.72.12.83]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 038D018E4B; Tue, 15 Jan 2019 11:00:15 +0000 (UTC) Subject: Re: [PATCH 1/2 v6] kdump: add the vmcoreinfo documentation To: Dave Anderson , Borislav Petkov , Kazuhito Hagio Cc: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, tglx@linutronix.de, mingo@redhat.com, x86@kernel.org, akpm@linux-foundation.org, bhe@redhat.com, dyoung@redhat.com, linux-doc@vger.kernel.org References: <20190110121944.6050-1-lijiang@redhat.com> <20190114192144.GQ2773@zn.tnic> <134663991.69764038.1547494607008.JavaMail.zimbra@redhat.com> <20190114195940.GS2773@zn.tnic> <244986363.69770015.1547496453312.JavaMail.zimbra@redhat.com> <20190114201812.GT2773@zn.tnic> <221183717.69773903.1547497592624.JavaMail.zimbra@redhat.com> <20190114203500.GU2773@zn.tnic> <1862896935.69778880.1547498954956.JavaMail.zimbra@redhat.com> From: lijiang Message-ID: Date: Tue, 15 Jan 2019 19:00:12 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <1862896935.69778880.1547498954956.JavaMail.zimbra@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Tue, 15 Jan 2019 11:00:24 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2019年01月15日 04:49, Dave Anderson 写道: > > > ----- Original Message ----- >> On Mon, Jan 14, 2019 at 03:26:32PM -0500, Dave Anderson wrote: >>> No. It needs *both* the vmlinux file and the vmcore file in order to read >>> kernel >>> virtual memory, so just having a kernel virtual address is insufficient. >>> >>> So it's a chicken-and-egg situation. This particular --osrelease option is used >>> to determine *what* vmlinux file would be required for an actual crash analysis >>> session. >> >> Ok, that makes sense. I could've used that explanation when reviewing >> the documentation. Do you mind skimming through this: >> >> https://lkml.kernel.org/r/20190111145650.GG4729@zn.tnic >> >> in case we've missed explaining relevant usage - like that above - of >> some of the vmcoreinfo members? > > Yeah, I've been watching the thread, and the document looks fine to me. > It's just that when I saw the discussion of this one being removed that > I felt the need to respond... ;-) Thank you for explaining this issue. Regards, Lianbo > > Dave > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.redhat.com ([209.132.183.28]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gjMSH-0003O9-Az for kexec@lists.infradead.org; Tue, 15 Jan 2019 11:00:26 +0000 Subject: Re: [PATCH 1/2 v6] kdump: add the vmcoreinfo documentation References: <20190110121944.6050-1-lijiang@redhat.com> <20190114192144.GQ2773@zn.tnic> <134663991.69764038.1547494607008.JavaMail.zimbra@redhat.com> <20190114195940.GS2773@zn.tnic> <244986363.69770015.1547496453312.JavaMail.zimbra@redhat.com> <20190114201812.GT2773@zn.tnic> <221183717.69773903.1547497592624.JavaMail.zimbra@redhat.com> <20190114203500.GU2773@zn.tnic> <1862896935.69778880.1547498954956.JavaMail.zimbra@redhat.com> From: lijiang Message-ID: Date: Tue, 15 Jan 2019 19:00:12 +0800 MIME-Version: 1.0 In-Reply-To: <1862896935.69778880.1547498954956.JavaMail.zimbra@redhat.com> Content-Language: en-US List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Dave Anderson , Borislav Petkov , Kazuhito Hagio Cc: bhe@redhat.com, linux-doc@vger.kernel.org, x86@kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, mingo@redhat.com, tglx@linutronix.de, dyoung@redhat.com, akpm@linux-foundation.org 5ZyoIDIwMTnlubQwMeaciDE15pelIDA0OjQ5LCBEYXZlIEFuZGVyc29uIOWGmemBkzoKPiAKPiAK PiAtLS0tLSBPcmlnaW5hbCBNZXNzYWdlIC0tLS0tCj4+IE9uIE1vbiwgSmFuIDE0LCAyMDE5IGF0 IDAzOjI2OjMyUE0gLTA1MDAsIERhdmUgQW5kZXJzb24gd3JvdGU6Cj4+PiBOby4gIEl0IG5lZWRz ICpib3RoKiB0aGUgdm1saW51eCBmaWxlIGFuZCB0aGUgdm1jb3JlIGZpbGUgaW4gb3JkZXIgdG8g cmVhZAo+Pj4ga2VybmVsCj4+PiB2aXJ0dWFsIG1lbW9yeSwgc28ganVzdCBoYXZpbmcgYSBrZXJu ZWwgdmlydHVhbCBhZGRyZXNzIGlzIGluc3VmZmljaWVudC4KPj4+Cj4+PiBTbyBpdCdzIGEgY2hp Y2tlbi1hbmQtZWdnIHNpdHVhdGlvbi4gIFRoaXMgcGFydGljdWxhciAtLW9zcmVsZWFzZSBvcHRp b24gaXMgdXNlZAo+Pj4gdG8gZGV0ZXJtaW5lICp3aGF0KiB2bWxpbnV4IGZpbGUgd291bGQgYmUg cmVxdWlyZWQgZm9yIGFuIGFjdHVhbCBjcmFzaCBhbmFseXNpcwo+Pj4gc2Vzc2lvbi4KPj4KPj4g T2ssIHRoYXQgbWFrZXMgc2Vuc2UuIEkgY291bGQndmUgdXNlZCB0aGF0IGV4cGxhbmF0aW9uIHdo ZW4gcmV2aWV3aW5nCj4+IHRoZSBkb2N1bWVudGF0aW9uLiBEbyB5b3UgbWluZCBza2ltbWluZyB0 aHJvdWdoIHRoaXM6Cj4+Cj4+IGh0dHBzOi8vbGttbC5rZXJuZWwub3JnL3IvMjAxOTAxMTExNDU2 NTAuR0c0NzI5QHpuLnRuaWMKPj4KPj4gaW4gY2FzZSB3ZSd2ZSBtaXNzZWQgZXhwbGFpbmluZyBy ZWxldmFudCB1c2FnZSAtIGxpa2UgdGhhdCBhYm92ZSAtIG9mCj4+IHNvbWUgb2YgdGhlIHZtY29y ZWluZm8gbWVtYmVycz8KPiAKPiBZZWFoLCBJJ3ZlIGJlZW4gd2F0Y2hpbmcgdGhlIHRocmVhZCwg YW5kIHRoZSBkb2N1bWVudCBsb29rcyBmaW5lIHRvIG1lLgo+IEl0J3MganVzdCB0aGF0IHdoZW4g SSBzYXcgdGhlIGRpc2N1c3Npb24gb2YgdGhpcyBvbmUgYmVpbmcgcmVtb3ZlZCB0aGF0Cj4gSSBm ZWx0IHRoZSBuZWVkIHRvIHJlc3BvbmQuLi4gIDstKQoKVGhhbmsgeW91IGZvciBleHBsYWluaW5n IHRoaXMgaXNzdWUuIAoKUmVnYXJkcywKTGlhbmJvCgo+IAo+IERhdmUKPiAKCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmtleGVjIG1haWxpbmcgbGlzdApr ZXhlY0BsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxt YW4vbGlzdGluZm8va2V4ZWMK