Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757304AbYGHIpe (ORCPT ); Tue, 8 Jul 2008 04:45:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751362AbYGHIp1 (ORCPT ); Tue, 8 Jul 2008 04:45:27 -0400 Received: from mxsec.euro-web.fr ([81.93.243.199]:58733 "EHLO mxsec.euro-web.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750973AbYGHIpZ (ORCPT ); Tue, 8 Jul 2008 04:45:25 -0400 From: David CHANIAL Organization: Euro Web To: linux-kernel@vger.kernel.org Subject: BUG: unable to handle kernel NULL pointer dereference at 00000023 Date: Tue, 8 Jul 2008 10:45:22 +0200 User-Agent: KMail/1.9.7 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200807081045.23158.david.ml@euro-web.fr> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3537 Lines: 65 Hi Everyone, There is a kernel bug on a server : kernel is 2.6.25.4 (the sdf99-ipv6-core2 are justs strings added to makefile to describez config). I will update to 2.6.25.10 soon on this box, but if this can help... If you need informations about the box... just ask. ================= BUG: unable to handle kernel NULL pointer dereference at 00000023 IP: [] unmap_vmas+0x151/0x5c8 *pdpt = 000000002491c001 *pde = 0000000000000000 Oops: 0000 [#1] SMP Pid: 3766, comm: shtool Not tainted (2.6.25.4-sdf99-ipv6-core2 #2) EIP: 0060:[] EFLAGS: 00210206 CPU: 2 EIP is at unmap_vmas+0x151/0x5c8 EAX: 40193000 EBX: c1a42880 ECX: 00000017 EDX: 0000001f ESI: 80000000 EDI: ed35f740 EBP: fff99c68 ESP: e7ce3ee8 DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 Process shtool (pid: 3766, ti=e7ce2000 task=f7d4cdb0 task.ti=e7ce2000) Stack: 00000000 e7cfc5f4 e7ce3f64 00000000 00000000 00252e9b 4018d000 00000000 00000001 40193000 0000001f ed35f740 c361e100 fffffffc 00000000 c35ecbac 00000000 00000000 ca580000 4018d000 40193000 00000000 e7ce3f64 e8d2cddc Call Trace: [] exit_mmap+0x61/0xca [] mmput+0x20/0x74 [] do_exit+0x1cc/0x535 [] do_group_exit+0x61/0x78 [] syscall_call+0x7/0xb [] schedule+0x54a/0x587 ======================= Code: 24 28 8b 74 24 18 8b 44 24 50 81 c6 00 00 00 40 81 e6 00 00 00 c0 48 89 f2 4a 39 c2 8b 44 24 50 8b 54 24 28 0f 42 c6 89 44 24 24 <8b> 5a 04 8b 0a 89 de 09 ce 74 1c 31 d2 89 c8 25 98 0f 00 00 89 EIP: [] unmap_vmas+0x151/0x5c8 SS:ESP 0068:e7ce3ee8 ---[ end trace 7a550b72a5db8908 ]--- Fixing recursive fault but reboot is needed! ================= even if this will not help you, this is the output before the bug. the last line has never release, thaht why i have take a look to dmesg... === BEFORE THE BUG === [...]d/zend_operators.lo Zend/zend_ptr_stack.lo Zend/zend_stack.lo Zend/zend_variables.lo Zend/zend.lo Zend/zend_API.lo Zend/zend_extensions.lo Zend/zend_hash.lo Zend/zend_list.lo Zend/zend_indent.lo Zend/zend_builtin_functions.lo Zend/zend_sprintf.lo Zend/zend_ini.lo Zend/zend_qsort.lo Zend/zend_multibyte.lo Zend/zend_ts_hash.lo Zend/zend_stream.lo Zend/zend_iterators.lo Zend/zend_interfaces.lo Zend/zend_exceptions.lo Zend/zend_strtod.lo Zend/zend_objects.lo Zend/zend_object_handlers.lo Zend/zend_objects_API.lo Zend/zend_default_classes.lo Zend/zend_execute.lo sapi/cgi/fastcgi.lo sapi/cgi/cgi_main.lo sapi/cgi/getopt.lo main/internal_functions.lo -lcrypt -lcrypt -lhistory -lreadline -lncurses -lpanel -lncurses -lmysqlclient -lmcrypt -lltdl -lt1 -lfreetype -lpng -lz -ljpeg -ldb-4.3 -lgdbm -lcurl -lbz2 -lz -lresolv -lm -ldl -lnsl -lxml2 -lz -lm -lssl -lcrypto -ldl -lcurl -lxml2 -lz -lm -lcrypt -lxml2 -lz -lm -lcrypt -o sapi/cgi/php-cgi Build complete. Don't forget to run 'make test'. >>> Source compiled. >>> Test phase [not enabled]: dev-lang/php-5.2.6-r2 >>> Install php-5.2.6-r2 into /var/tmp/portage/dev-lang/php-5.2.6-r2/image/ category dev-lang Installing build environment: /var/tmp/portage/dev-lang/php-5.2.6-r2/image//usr/lib/php5/lib/php/build/ Installing header files: /var/tmp/portage/dev-lang/php-5.2.6-r2/image//usr/lib/php5/include/php/ ================= Best regards, -- David CHANIAL -- 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/