From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266363AbUBFDYb (ORCPT ); Thu, 5 Feb 2004 22:24:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266343AbUBFDYa (ORCPT ); Thu, 5 Feb 2004 22:24:30 -0500 Received: from nsmtp.pacific.net.th ([203.121.130.117]:41659 "EHLO nsmtp.pacific.net.th") by vger.kernel.org with ESMTP id S266340AbUBFDWe (ORCPT ); Thu, 5 Feb 2004 22:22:34 -0500 From: Michael Frank To: linux-kernel@vger.kernel.org Subject: 2.4.24 HIGHMEM=300m: BUG: wrong zone alignment, it will crash Date: Fri, 6 Feb 2004 11:21:34 +0800 User-Agent: KMail/1.5.4 X-OS: KDE 3 on GNU/Linux MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200402061121.34174.mhf@linuxmail.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org System has 500M RAM. When using highmem=300m dmesg as follows. Linux version 2.4.24-mhf168 (root@mhfl4) (gcc version 2.95.3 20010315 (release)) #2 Fri Feb 6 11:08:28 HKT 2004 BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009fc00 (usable) BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved) BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 000000001eff0000 (usable) BIOS-e820: 000000001eff0000 - 000000001eff3000 (ACPI NVS) BIOS-e820: 000000001eff3000 - 000000001f000000 (ACPI data) BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved) 300MB HIGHMEM available. 195MB LOWMEM available. On node 0 totalpages: 126960 zone(0): 4096 pages. zone(1): 46064 pages. zone(2): 76800 pages. BUG: wrong zone alignment, it will crash Kernel command line: vga=0xf07 root=/dev/hda4 resume2=swap:/dev/hda1 console=tty0 console=ttyS0,115200n8r devfs=nomount nousb acpi=off highmem=300m What went wrong ? Michael