Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932255AbVLDPk7 (ORCPT ); Sun, 4 Dec 2005 10:40:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932258AbVLDPk7 (ORCPT ); Sun, 4 Dec 2005 10:40:59 -0500 Received: from [202.112.142.40] ([202.112.142.40]:14050 "EHLO core.nlsde.buaa.edu.cn") by vger.kernel.org with ESMTP id S932255AbVLDPk6 (ORCPT ); Sun, 4 Dec 2005 10:40:58 -0500 Message-Id: <200512041626.jB4GQniA014381@core.nlsde.buaa.edu.cn> From: "tony" To: "'Linux Kernel Mailing List'" Subject: Help!Unable to handle kernel NULL pointer... Date: Sun, 4 Dec 2005 23:37:02 +0800 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook, Build 11.0.5510 Thread-Index: AcX46nKuiDeMn09ITBWs+BuU/ksYmAAA9xAg In-Reply-To: <17299.1331.368159.374754@gargle.gargle.HOWL> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.3790.181 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2823 Lines: 66 hi, Recently I met some trouble, and need your help. My system is Redhat linux 2.4.20, and crash every few days. There are some messages in '/var/log/messages'as following: I have had searched the archives and found that some guys met this problem before, but i didn't find the way to fix the trouble. Is there anybody who would like give me a hand? Messages: Nov 27 21:34:54 SHZX-WG04 kernel: <1>Unable to handle kernel NULL pointer dereference at virtual address 00000080 Nov 27 21:34:54 SHZX-WG04 kernel: printing eip: Nov 27 21:34:54 SHZX-WG04 kernel: c012cd07 Nov 27 21:34:54 SHZX-WG04 kernel: *pde = 06a47001 Nov 27 21:34:54 SHZX-WG04 kernel: *pte = 00000000 Nov 27 21:34:54 SHZX-WG04 kernel: Oops: 0000 Nov 27 21:34:54 SHZX-WG04 kernel: ide-cd cdrom lp parport autofs e1000 microcode keybdev mousedev hid input usb-uhci usbcore ext3 jbd aic79xx sd_mod scsi_mod Nov 27 21:34:54 SHZX-WG04 kernel: CPU: 2 Nov 27 21:34:54 SHZX-WG04 kernel: EIP: 0060:[] Not tainted Nov 27 21:34:54 SHZX-WG04 kernel: EFLAGS: 00010202 Nov 27 21:34:54 SHZX-WG04 kernel: Nov 27 21:34:54 SHZX-WG04 kernel: EIP is at access_process_vm [kernel] 0x27 (2.4.20-8bigmem) Nov 27 21:34:54 SHZX-WG04 kernel: eax: 00000000 ebx: d8d93280 ecx: 00000017 edx: e9910000 Nov 27 21:34:54 SHZX-WG04 kernel: esi: 00000000 edi: e992c000 ebp: e992c000 esp: edde9ef0 Nov 27 21:34:54 SHZX-WG04 kernel: ds: 0068 es: 0068 ss: 0068 Nov 27 21:34:54 SHZX-WG04 kernel: Process ps (pid: 18326, stackpage=edde9000) Nov 27 21:34:54 SHZX-WG04 kernel: Stack: c0160996 e0b9f180 edde9f10 00000202 00000001 00000000 edde9f84 cac05580 Nov 27 21:34:54 SHZX-WG04 kernel: f421800c 00000202 00000000 e992c000 00000000 00000500 000001f0 d8d93280 Nov 27 21:34:54 SHZX-WG04 kernel: 00000000 e992c000 e9910000 c017b334 e9910000 bffffac8 e992c000 00000017 Nov 27 21:34:54 SHZX-WG04 kernel: Call Trace: [] link_path_walk [kernel] 0x656 (0xedde9ef0)) Nov 27 21:34:54 SHZX-WG04 kernel: [] proc_pid_cmdline [kernel] 0x74 (0xedde9f3c)) Nov 27 21:34:54 SHZX-WG04 kernel: [] proc_info_read [kernel] 0x77 (0xedde9f6c)) Nov 27 21:34:54 SHZX-WG04 kernel: [] sys_read [kernel] 0xa3 (0xedde9f94)) Nov 27 21:34:54 SHZX-WG04 kernel: [] sys_open [kernel] 0xa2 (0xedde9fa8)) Nov 27 21:34:54 SHZX-WG04 kernel: [] system_call [kernel] 0x33 (0xedde9fc0)) Nov 27 21:34:54 SHZX-WG04 kernel: Nov 27 21:34:54 SHZX-WG04 kernel: Nov 27 21:34:54 SHZX-WG04 kernel: Code: f6 80 80 00 00 00 01 74 2d 81 7c 24 30 40 b7 33 c0 74 23 f0 Tony howe 2005-12-04 - 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/