From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756490AbXGPEih (ORCPT ); Mon, 16 Jul 2007 00:38:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751182AbXGPEi2 (ORCPT ); Mon, 16 Jul 2007 00:38:28 -0400 Received: from smtp19.orange.fr ([80.12.242.1]:55749 "EHLO smtp19.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750817AbXGPEi1 (ORCPT ); Mon, 16 Jul 2007 00:38:27 -0400 X-ME-UUID: 20070716043826913.164651C00085@mwinf1903.orange.fr From: David CHANIAL Organization: Euro Web To: Linux Kernel Mailinglist Subject: BUG: unable to handle kernel NULL pointer dereference - nfs v3 Date: Mon, 16 Jul 2007 06:38:15 +0200 User-Agent: KMail/1.9.5 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200707160638.15750.david.ml@euro-web.fr> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, I'm not sure is the good place to poste that, and if not - please excuse me. I was running nfs server v2 since a year on one server, there is few days, i have update my kernel to 2.6.21.3 with support of nfsv3 server. Somes times per days i have somes crash as below, needing i reboot the server to nfs re-become up. ************ BUG: unable to handle kernel NULL pointer dereference at virtual address 00000004 printing eip: c01e7279 *pde = 09ecc001 Oops: 0000 [#1] SMP CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00010246 (2.6.21.3-sdf88-core #9) EIP is at encode_fsid+0x67/0x89 eax: e5bde8c0 ebx: f7593404 ecx: 00000000 edx: 00000006 esi: dc569048 edi: f75934ec ebp: f7593404 esp: f75f1f18 ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068 Process nfsd (pid: 3386, ti=f75f0000 task=f7b295b0 task.ti=f75f0000) Stack: 00000000 dc569048 c01e7381 f5bd0df8 c01e5bde 00000000 f6c95000 c01e7fdf dc56901c c0519584 c01e7ffc f75934ec f6c95000 c01dd38a f77d68c0 d0ab4200 c043d99e dc569014 f6c95000 f6c950e0 f7593538 c0519584 c0439f32 00000000 Call Trace: [] encode_fattr3+0xe6/0x131 [] nfsd3_proc_getattr+0xaf/0xb9 [] nfs3svc_encode_attrstat+0x0/0x3b [] nfs3svc_encode_attrstat+0x1d/0x3b [] nfsd_dispatch+0x13e/0x190 [] svcauth_unix_set_client+0x152/0x15e [] svc_process+0x38d/0x636 [] nfsd+0x171/0x26e [] nfsd+0x0/0x26e [] kernel_thread_helper+0x7/0x10 ======================= Code: e2 08 09 d1 09 c1 eb 10 8b 83 88 00 00 00 8b 40 30 89 c3 89 c1 c1 fb 1f 89 d8 0f c8 89 06 89 c8 eb 1e ************ Best regards, -- David