From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270271AbTHLMIv (ORCPT ); Tue, 12 Aug 2003 08:08:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270256AbTHLMIu (ORCPT ); Tue, 12 Aug 2003 08:08:50 -0400 Received: from attila.bofh.it ([213.92.8.2]:22225 "EHLO attila.bofh.it") by vger.kernel.org with ESMTP id S270230AbTHLMHt (ORCPT ); Tue, 12 Aug 2003 08:07:49 -0400 Date: Tue, 12 Aug 2003 14:07:36 +0200 From: "Marco d'Itri" To: "Karol 'grzywacz' Nowak" Cc: linux-kernel@vger.kernel.org Subject: Re: an oops in 2.6-test2 (oops) Message-ID: <20030812120736.GB782@wonderland.linux.it> References: <200308062301.08595.novaki@poczta.wp.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200308062301.08595.novaki@poczta.wp.pl> User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Aug 08, Karol 'grzywacz' Nowak wrote: >I've noticed a bug in Linux version 2.6-test2 and I'm able to reproduce it. It >occures while using xmms' "Add directory to playlist". The only module that I have been getting a few of these too (now with -test3), usually reproducibles: ksymoops 2.4.8 on i686 2.6.0-test3. Options used -V (default) -k /proc/ksyms (default) -l /proc/modules (default) -o /lib/modules/2.6.0-test3/ (default) -m /boot/System.map-2.6.0-test3 (default) Warning: You did not tell me where to find symbol information. I will assume that the log matches the kernel and modules that are running right now and I'll use the default options above for symbol resolution. If the current kernel and/or modules do not match the log, you can get more accurate output by telling me the kernel version and where to find map, modules, ksyms etc. ksymoops -h explains the options. Error (regular_file): read_ksyms stat /proc/ksyms failed No modules in ksyms, skipping objects No ksyms, skipping lsmod Aug 12 12:58:55 wonderland kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000 Aug 12 12:58:55 wonderland kernel: c015c80a Aug 12 12:58:55 wonderland kernel: *pde = 00000000 Aug 12 12:58:55 wonderland kernel: Oops: 0000 [#1] Aug 12 12:58:55 wonderland kernel: CPU: 0 Aug 12 12:58:55 wonderland kernel: EIP: 0060:[] Not tainted Using defaults from ksymoops -t elf32-i386 -a i386 Aug 12 12:58:55 wonderland kernel: EFLAGS: 00010282 Aug 12 12:58:55 wonderland kernel: eax: c1539a0c ebx: 0005fdd5 ecx: d4bcb710 edx: 00000000 Aug 12 12:58:55 wonderland kernel: esi: df586a00 edi: c1539a0c ebp: dc753e48 esp: dc753e38 Aug 12 12:58:55 wonderland kernel: ds: 007b es: 007b ss: 0068 Aug 12 12:58:55 wonderland kernel: Stack: d2a61600 0005fdd5 0005fdd5 df586a00 dc753e6c c015cd0b df586a00 c1539a0c Aug 12 12:58:55 wonderland kernel: 0005fdd5 c1539a0c 0005fdd5 d25ca600 df586a00 dc753e8c c017bc77 df586a00 Aug 12 12:58:55 wonderland kernel: 0005fdd5 d25da030 fffffff4 d2d7d9f8 d2d7d990 dc753eb0 c0152740 d2d7d990 Aug 12 12:58:55 wonderland kernel: Call Trace: Aug 12 12:58:55 wonderland kernel: [] iget_locked+0x4b/0xa0 Aug 12 12:58:55 wonderland kernel: [] ext3_lookup+0x67/0xc0 Aug 12 12:58:55 wonderland kernel: [] real_lookup+0xc0/0xf0 Aug 12 12:58:55 wonderland kernel: [] do_lookup+0x84/0x90 Aug 12 12:58:55 wonderland kernel: [] link_path_walk+0x3f4/0x760 Aug 12 12:58:55 wonderland kernel: [] open_namei+0x84/0x3d0 Aug 12 12:58:56 wonderland kernel: [] free_pgtables+0x82/0xa0 Aug 12 12:58:56 wonderland kernel: [] filp_open+0x3c/0x60 Aug 12 12:58:56 wonderland kernel: [] sys_open+0x53/0x90 Aug 12 12:58:56 wonderland kernel: [] syscall_call+0x7/0xb Aug 12 12:58:56 wonderland kernel: Code: 0f 18 02 90 39 59 18 89 c8 74 10 85 d2 89 d1 75 ed 31 c0 83 >>EIP; c015c80a <===== >>eax; c1539a0c <__crc_lock_may_read+ec59e/101eac> >>ecx; d4bcb710 <__crc_xfrm_state_update+ef9/5bd312> >>esi; df586a00 <__crc_inet_family_ops+bcd4b/142f72> >>edi; c1539a0c <__crc_lock_may_read+ec59e/101eac> >>ebp; dc753e48 <__crc_zlib_deflateInit2_+59274/71ff7> >>esp; dc753e38 <__crc_zlib_deflateInit2_+59264/71ff7> Trace; c015cd0b Trace; c017bc77 Trace; c0152740 Trace; c0152984 Trace; c0152d84 Trace; c0153954 Trace; c013c8c2 Trace; c0145f9c Trace; c0146383 Trace; c01090b3 Code; c015c80a 00000000 <_EIP>: Code; c015c80a <===== 0: 0f 18 02 prefetchnta (%edx) <===== Code; c015c80d 3: 90 nop Code; c015c80e 4: 39 59 18 cmp %ebx,0x18(%ecx) Code; c015c811 7: 89 c8 mov %ecx,%eax Code; c015c813 9: 74 10 je 1b <_EIP+0x1b> Code; c015c815 b: 85 d2 test %edx,%edx Code; c015c817 d: 89 d1 mov %edx,%ecx Code; c015c819 f: 75 ed jne fffffffe <_EIP+0xfffffffe> Code; c015c81b 11: 31 c0 xor %eax,%eax Code; c015c81d 13: 83 00 00 addl $0x0,(%eax) 1 warning and 1 error issued. Results may not be reliable. -- ciao, | Marco | [1262 arSPQOzWtTbXY]