From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753229Ab0H2L7G (ORCPT ); Sun, 29 Aug 2010 07:59:06 -0400 Received: from hera.kernel.org ([140.211.167.34]:36812 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752492Ab0H2L7E (ORCPT ); Sun, 29 Aug 2010 07:59:04 -0400 Message-ID: <4C7A49F9.1030400@kernel.org> Date: Sun, 29 Aug 2010 13:52:25 +0200 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.2.8) Gecko/20100802 Thunderbird/3.1.2 MIME-Version: 1.0 To: CAI Qian CC: torvalds@linux-foundation.org, linux-next@vger.kernel.org, kexec , linux-kernel Subject: Re: kdump regression compared to v2.6.35 References: <1236896997.1479691283083005518.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com> In-Reply-To: <1236896997.1479691283083005518.JavaMail.root@zmail06.collab.prod.int.phx2.redhat.com> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Sun, 29 Aug 2010 11:58:48 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/29/2010 01:56 PM, CAI Qian wrote: > It is easy to reproduce by passing maxcpus=1 to the first kernel. Do you mean booting w/ maxcpus=1 hangs the first kernel even w/o kdump? Thanks. -- tejun