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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 17E1CC4360F for ; Wed, 3 Apr 2019 08:19:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DB6592084C for ; Wed, 3 Apr 2019 08:19:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728918AbfDCITF (ORCPT ); Wed, 3 Apr 2019 04:19:05 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33842 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725936AbfDCITF (ORCPT ); Wed, 3 Apr 2019 04:19:05 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 32157308213C; Wed, 3 Apr 2019 08:19:05 +0000 (UTC) Received: from dhcp-128-65.nay.redhat.com (ovpn-12-59.pek2.redhat.com [10.72.12.59]) by smtp.corp.redhat.com (Postfix) with ESMTPS id ACA9C5C237; Wed, 3 Apr 2019 08:19:01 +0000 (UTC) Date: Wed, 3 Apr 2019 16:18:57 +0800 From: Dave Young To: Chao Fan Cc: Junichi Nomura , Borislav Petkov , "bhe@redhat.com" , "kasong@redhat.com" , "x86@kernel.org" , "kexec@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v2] x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernel Message-ID: <20190403081857.GA14819@dhcp-128-65.nay.redhat.com> References: <20190327014852.GA3659@MiWiFi-R3L-srv> <73322ba9-e436-68db-7863-afd31607d969@ce.jp.nec.com> <20190328064343.GA1877@MiWiFi-R3L-srv> <20190328074337.GA9470@jeru.linux.bs1.fc.nec.co.jp> <20190328155256.GP22720@zn.tnic> <20190401000837.GA5170@jeru.linux.bs1.fc.nec.co.jp> <20190402120319.GA7605@dhcp-128-65.nay.redhat.com> <20190403053459.GD1555@localhost.localdomain> <20190403055340.GA11976@dhcp-128-65.nay.redhat.com> <20190403072141.GE1555@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190403072141.GE1555@localhost.localdomain> User-Agent: Mutt/1.11.3 (2019-02-01) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Wed, 03 Apr 2019 08:19:05 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > > >Today, test again, kexec reboot hangs (with or without your patch), but > >kdump works always (with or without the patch) > > That's so strange, I'm puzzled by your test. > Withour ant changes, just test again, the result of yesterday and today > are different? > Yes, I'm also puzzled, not 100% sure if I have some wrong test steps or something, can only say for today's test results now :(