Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756084Ab2JRN6C (ORCPT ); Thu, 18 Oct 2012 09:58:02 -0400 Received: from mail-pa0-f46.google.com ([209.85.220.46]:37561 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755972Ab2JRN57 (ORCPT ); Thu, 18 Oct 2012 09:57:59 -0400 MIME-Version: 1.0 In-Reply-To: <507FA2B3.3080403@redhat.com> References: <20120904143215.5bbbb2a4@obelix.rh> <20120923202727.GA28937@mwanda> <20120929071318.GA7444@gmail.com> <507FA2B3.3080403@redhat.com> Date: Thu, 18 Oct 2012 21:57:59 +0800 Message-ID: Subject: Re: kexec/kdump kernel fails to start From: Cong Wang To: Dave Young Cc: Dave Young , Ingo Molnar , Yinghai Lu , Dan Carpenter , Flavio Leitner , lkml , Ingo Molnar , Tejun Heo , ianfang.cn@gmail.com, Andrew Morton , Vivek Goyal Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1032 Lines: 28 On Thu, Oct 18, 2012 at 2:33 PM, Dave Young wrote: > Here is a patch for the reverting: > --- > x86 mm: Revert find_early_table_space fix > > 722bc6b16771ed80871e1fd81c86d3627dda2ac8 Try to address the issue that the > first 2/4M should use 4k pages if PSE enabled. but extra counts should only > valid for x86_32. This commit cause kdump regression, kdump kernel hangs happens > with it. > > As Yinghai Lu said they should be reverted. see below post: > https://lkml.org/lkml/2012/9/4/533 > > As there's a later fix to above fix which is bd2753b2dda7bb43c7468826de75f49c6a7e8965 > So we need revert both of these two commits. > > Tested kdump on physical and virutual machines. Looks good to me, Acked-by: Cong Wang Thanks for the fix! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/