Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753287Ab2JIS10 (ORCPT ); Tue, 9 Oct 2012 14:27:26 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:56738 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750867Ab2JIS1X (ORCPT ); Tue, 9 Oct 2012 14:27:23 -0400 MIME-Version: 1.0 In-Reply-To: References: <1349757558-10856-1-git-send-email-yinghai@kernel.org> Date: Tue, 9 Oct 2012 11:27:22 -0700 X-Google-Sender-Auth: IdOhbEZaOgCO-1qjtg2-NdMNeho Message-ID: Subject: Re: [PATCH -v2 00/10] x86: Use BRK to pre mapping page table to make xen happy From: Yinghai Lu To: Stefano Stabellini Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Jacob Shin , Tejun Heo , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2188 Lines: 43 On Tue, Oct 9, 2012 at 5:19 AM, Stefano Stabellini wrote: > > I agree with Peter that this series is going in the right direction. > However if I give more than 4G of RAM to the VM I get a panic at boot: > > [ 0.000000] Linux version 3.6.0-rc7+ (sstabellini@st22) (gcc version 4.4.5 (Debian 4.4.5-8) ) #532 SMP Tue Oct 9 12:15:32 UTC 2012 > [ 0.000000] Command line: root=/dev/xvda1 textmode=1 xencons=xvc0 debug loglevel=9 earlyprintk=xen > [ 0.000000] ACPI in unprivileged domain disabled > [ 0.000000] e820: BIOS-provided physical RAM map: > [ 0.000000] Xen: [mem 0x0000000000000000-0x000000000009ffff] usable > [ 0.000000] Xen: [mem 0x00000000000a0000-0x00000000000fffff] reserved > [ 0.000000] Xen: [mem 0x0000000000100000-0x00000001387fffff] usable > [ 0.000000] bootconsole [xenboot0] enabled > [ 0.000000] NX (Execute Disable) protection: active > [ 0.000000] DMI not present or invalid. > [ 0.000000] e820: update [mem 0x00000000-0x0000ffff] usable ==> reserved > [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable > [ 0.000000] No AGP bridge found > [ 0.000000] e820: last_pfn = 0x138800 max_arch_pfn = 0x400000000 > [ 0.000000] e820: last_pfn = 0x100000 max_arch_pfn = 0x400000000 > [ 0.000000] initial memory mapped: [mem 0x00000000-0x02781fff] > [ 0.000000] Base memory trampoline at [ffff88000009a000] 9a000 size 24576 > [ 0.000000] calculate_table_space_size: [mem 0x00000000-0x000fffff] > [ 0.000000] [mem 0x00000000-0x000fffff] page 4k > [ 0.000000] calculate_table_space_size: [mem 0x00100000-0x1387fffff] > [ 0.000000] [mem 0x00100000-0x1387fffff] page 4k > [ 0.000000] init_memory_mapping: [mem 0x137e33000-0x1387fffff] > [ 0.000000] [mem 0x137e33000-0x1387fffff] page 4k great, thank for testing it. will come out new version that willget rid of find_table size and cal_table ...stuff. Thanks Yinghai -- 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/