From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265130AbTLRNR7 (ORCPT ); Thu, 18 Dec 2003 08:17:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265132AbTLRNR7 (ORCPT ); Thu, 18 Dec 2003 08:17:59 -0500 Received: from frankvm.xs4all.nl ([80.126.170.174]:39660 "EHLO iapetus.localdomain") by vger.kernel.org with ESMTP id S265130AbTLRNR4 (ORCPT ); Thu, 18 Dec 2003 08:17:56 -0500 Date: Thu, 18 Dec 2003 14:16:59 +0100 From: Frank van Maarseveen To: Marcelo Tosatti Cc: linux-kernel@vger.kernel.org Subject: Re: 2.4.23 Oops in journal_try_to_free_buffers (fwd) Message-ID: <20031218131659.GA28450@iapetus.localdomain> Mail-Followup-To: Frank van Maarseveen , Marcelo Tosatti , linux-kernel@vger.kernel.org References: <20031211085838.GA22606@iapetus.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4i X-Subliminal-Message: Use Linux! Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 11, 2003 at 09:50:23AM -0200, Marcelo Tosatti wrote: > > Frank, > > Can you please try to revert the attached patch and try to cause the oops > again? patch -R applied because problems seem to be persistent: plain 2.4.23 just experienced a pagecache/buffercache corruption: the first 2300 bytes of /bin/sed appeared to be all zeroes. Reboot and fsck (ext3) did not find anything and /bin/sed was ok by then. Forgot to save the bad /bin/sed :-( FYI, this is another Oops trace (plain 2.4.23): ksymoops 2.4.9 on i686 2.4.23-y91. Options used -V (default) -k /var/log/ksyms.1 (specified) -l /proc/modules (default) -o /lib/modules/2.4.23-y91/ (default) -m /boot/System.map-2.4.23-x91 (specified) No modules in ksyms, skipping objects Dec 18 12:46:03 tornio kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000028 Dec 18 12:46:03 tornio kernel: c0149495 Dec 18 12:46:03 tornio kernel: *pde = 00000000 Dec 18 12:46:03 tornio kernel: Oops: 0000 Dec 18 12:46:03 tornio kernel: CPU: 0 Dec 18 12:46:03 tornio kernel: EIP: 0010:[] Not tainted Using defaults from ksymoops -t elf32-i386 -a i386 Dec 18 12:46:03 tornio kernel: EFLAGS: 00010217 Dec 18 12:46:03 tornio kernel: eax: 000703ab ebx: 00000000 ecx: 0000000d edx: c1190000 Dec 18 12:46:03 tornio kernel: esi: 00000000 edi: 00000000 ebp: c5f75eac esp: c5f75ea0 Dec 18 12:46:03 tornio kernel: ds: 0018 es: 0018 ss: 0018 Dec 18 12:46:03 tornio kernel: Process xinitrc (pid: 3222, stackpage=c5f75000) Dec 18 12:46:03 tornio kernel: Stack: 000703ab c11973d8 000703ab c5f75ed4 c014984f c7e31400 000703ab c11973d8 Dec 18 12:46:03 tornio kernel: 00000000 00000000 000703ab c40bd0e4 c40bd0e4 c5f75ef8 c015dc67 c7e31400 Dec 18 12:46:03 tornio kernel: 000703ab 00000000 00000000 fffffff4 c2ab69f4 c07c5168 c5f75f14 c013f918 Dec 18 12:46:03 tornio kernel: Call Trace: [] [] [] [] [] Dec 18 12:46:03 tornio kernel: [] [] [] [] [] Dec 18 12:46:03 tornio kernel: Code: 39 46 28 75 36 8b 45 08 39 86 ac 00 00 00 75 2b 85 ff 74 12 >>EIP; c0149495 <===== Trace; c014984f Trace; c015dc67 Trace; c013f918 Trace; c0140055 Trace; c0120536 Trace; c01402ed Trace; c014044e Trace; c01406ad <__user_walk+2d/48> Trace; c013d3e2 Trace; c0108ab3 Code; c0149495 00000000 <_EIP>: Code; c0149495 <===== 0: 39 46 28 cmp %eax,0x28(%esi) <===== Code; c0149498 3: 75 36 jne 3b <_EIP+0x3b> Code; c014949a 5: 8b 45 08 mov 0x8(%ebp),%eax Code; c014949d 8: 39 86 ac 00 00 00 cmp %eax,0xac(%esi) Code; c01494a3 e: 75 2b jne 3b <_EIP+0x3b> Code; c01494a5 10: 85 ff test %edi,%edi Code; c01494a7 12: 74 12 je 26 <_EIP+0x26> -- Frank