From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932693AbbBIMUp (ORCPT ); Mon, 9 Feb 2015 07:20:45 -0500 Received: from 8bytes.org ([81.169.241.247]:58284 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932196AbbBIMUo (ORCPT ); Mon, 9 Feb 2015 07:20:44 -0500 Date: Mon, 9 Feb 2015 13:20:42 +0100 From: Joerg Roedel To: Joerg Roedel Cc: Baoquan He , Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Konrad Rzeszutek Wilk , x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/3] x86, crash: Allocate enough low-mem when crashkernel=high Message-ID: <20150209122042.GA29106@8bytes.org> References: <1420555874-11506-1-git-send-email-joro@8bytes.org> <1420555874-11506-4-git-send-email-joro@8bytes.org> <20150123084453.GL2461@dhcp-16-105.nay.redhat.com> <20150126120756.GF30345@8bytes.org> <20150201084103.GB1573@dhcp-17-102.nay.redhat.com> <20150204141020.GB10078@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150204141020.GB10078@suse.de> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Baoquan, On Wed, Feb 04, 2015 at 03:10:20PM +0100, Joerg Roedel wrote: > That makes sense. I also asked the customer to test intermediate values, > we already know that it works with 256MB but also that 128MB are not > enough. I will report back when I have the results of the intermediate > values in 32MB steps. I got the results from the customer, and it turns out that a value of 192MB is sufficient to make the kdump succeed. It fails with 128MB and 160MB. So I think we can settle in 192MB for now. What do you think? Regards, Joerg