From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751530AbWFPWiM (ORCPT ); Fri, 16 Jun 2006 18:38:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751531AbWFPWiM (ORCPT ); Fri, 16 Jun 2006 18:38:12 -0400 Received: from nz-out-0102.google.com ([64.233.162.202]:21187 "EHLO nz-out-0102.google.com") by vger.kernel.org with ESMTP id S1751529AbWFPWiL (ORCPT ); Fri, 16 Jun 2006 18:38:11 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=AhHT0L4DdZR+qgYxHXz4N0WaTlsNKsZGPgF7KgXHqR1X3IvNsf90P+9pPF8ejz61h7xkSyArahl2GZNwMJZwRPI+rITNCA7aLBKA3y9P9RTU8nEujHtJNvHRmP8Nb0mFemcg2OjV6xnlD44tLuKCZdN2XLVvoqkPF2q/P1FDppU= Message-ID: <6bffcb0e0606161538w41036b4ajdb394ef5a36eebd2@mail.gmail.com> Date: Sat, 17 Jun 2006 00:38:10 +0200 From: "Michal Piotrowski" To: "Grant Coady" Subject: Re: Linux 2.4.33-rc1 Cc: "Marcelo Tosatti" , linux-kernel@vger.kernel.org, "Willy Tarreau" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20060616181419.GA15734@dmt> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Grant, On 17/06/06, Grant Coady wrote: > On Fri, 16 Jun 2006 15:14:19 -0300, Marcelo Tosatti wrote: > > >Here is 2.4.33-rc1. > > I provoked a network related oops as user 'grant', with this CLI input > boo-boo on an ssh terminal: > > grant@sempro:~$ rm /home/share/config-2.6.17-rc6-mm1a dmesg-2.6.17-rc6-mm1a > > /home/share is an NFS mounted directory > > Was able to login direct as root and copy the oops info with mouse (gpm) > copy/paste, but console locked up on localnet access, here's the guff: > > ksymoops 2.4.11 on i686 2.4.33-rc1. Options used > -v /home/grant/linux/linux-2.4.33-rc1/vmlinux (specified) > -k /proc/ksyms (default) > -l /proc/modules (default) > -o /lib/modules/2.4.33-rc1/ (default) > -m /boot/System.map-2.4.33-rc1 (specified) > > Unable to handle kernel NULL pointer dereference at virtual address 00000088 > *pde = 00000000 > Oops: 0002 > CPU: 0 > EIP: 0010:[] Not tainted > Using defaults from ksymoops -t elf32-i386 -a i386 > EFLAGS: 00010282 > eax: 00000000 ebx: 00000000 ecx: 00000088 edx: 00000088 > esi: f6e2fd08 edi: f5839ac0 ebp: f6e2fc80 esp: f5889f6c > ds: 0018 es: 0018 ss: 0018 > Process rm (pid: 243, stackpage=f5889000) > Stack: f6e2fc80 f5839ac0 f5839ac0 f7bdd000 f5889f90 f5839ac0 c013f066 f6e2fc80 > f5839ac0 f6e36440 c19ac440 f7bdd00c 00000016 be8f2661 00000010 00000000 > 00000004 f5888000 bffff96b 08051050 bffff758 c0106eff bffff96b 00000002 > Call Trace: [] [] > Code: ff 80 88 00 00 00 0f 8e 2e 16 00 00 85 db 74 16 89 d8 8b 5c > > > >>EIP; c013eeb4 <===== > > >>esi; f6e2fd08 <_end+36a9405c/386be3d4> > >>edi; f5839ac0 <_end+3549de14/386be3d4> > >>ebp; f6e2fc80 <_end+36a93fd4/386be3d4> > >>esp; f5889f6c <_end+354ee2c0/386be3d4> > > Trace; c013f066 > Trace; c0106eff > > Code; c013eeb4 > 00000000 <_EIP>: > Code; c013eeb4 <===== > 0: ff 80 88 00 00 00 incl 0x88(%eax) <===== > Code; c013eeba > 6: 0f 8e 2e 16 00 00 jle 163a <_EIP+0x163a> > Code; c013eec0 > c: 85 db test %ebx,%ebx > Code; c013eec2 > e: 74 16 je 26 <_EIP+0x26> > Code; c013eec4 > 10: 89 d8 mov %ebx,%eax > Code; c013eec6 > 12: 8b 5c 00 00 mov 0x0(%eax,%eax,1),%ebx > > > Just done it again, not my finger trouble at all, again via ssh terminal, > deleting a file from an NFS mounted directory: > > grant@sempro:~$ rm /home/share/dmesg-2.6.17-rc6-mm1a > Segmentation fault > > Note: the file was successfully deleted. No reboot for this one: > > root@sempro:~# ksymoops -v /home/grant/linux/linux-2.4.33-rc1/vmlinux -m /boot/System.map-2.4.33-rc1 oops2 > ksymoops 2.4.11 on i686 2.4.33-rc1. Options used > -v /home/grant/linux/linux-2.4.33-rc1/vmlinux (specified) > -k /proc/ksyms (default) > -l /proc/modules (default) > -o /lib/modules/2.4.33-rc1/ (default) > -m /boot/System.map-2.4.33-rc1 (specified) > > Unable to handle kernel NULL pointer dereference at virtual address 00000088 > *pde = 00000000 > Oops: 0002 > CPU: 0 > EIP: 0010:[] Not tainted > Using defaults from ksymoops -t elf32-i386 -a i386 > EFLAGS: 00010282 > eax: 00000000 ebx: 00000000 ecx: 00000088 edx: 00000088 > esi: f6e2cd08 edi: f56cf640 ebp: f6e2cc80 esp: f5715f6c > ds: 0018 es: 0018 ss: 0018 > Process rm (pid: 311, stackpage=f5715000) > Stack: f6e2cc80 f56cf640 f56cf640 f5d18000 f5715f90 f56cf640 c013f066 f6e2cc80 > f56cf640 f6fdf440 c19ac440 f5d1800c 00000015 eab76344 00000010 00000000 > 00000004 f5714000 bffff982 08051050 bffff768 c0106eff bffff982 00000002 > Call Trace: [] [] > Code: ff 80 88 00 00 00 0f 8e 2e 16 00 00 85 db 74 16 89 d8 8b 5c > > > >>EIP; c013eeb4 <===== > > >>esi; f6e2cd08 <_end+36a9105c/386be3d4> > >>edi; f56cf640 <_end+35333994/386be3d4> > >>ebp; f6e2cc80 <_end+36a90fd4/386be3d4> > >>esp; f5715f6c <_end+3537a2c0/386be3d4> > > Trace; c013f066 > Trace; c0106eff > > Code; c013eeb4 > 00000000 <_EIP>: > Code; c013eeb4 <===== > 0: ff 80 88 00 00 00 incl 0x88(%eax) <===== > Code; c013eeba > 6: 0f 8e 2e 16 00 00 jle 163a <_EIP+0x163a> > Code; c013eec0 > c: 85 db test %ebx,%ebx > Code; c013eec2 > e: 74 16 je 26 <_EIP+0x26> > Code; c013eec4 > 10: 89 d8 mov %ebx,%eax > Code; c013eec6 > 12: 8b 5c 00 00 mov 0x0(%eax,%eax,1),%ebx > > > Since I use NFS here, no further testing 33-rc1 on the other boxen. > More info, testing on request. The server exporting the NFS share is > running 2.4.32-hf-latest: > > Now running: 2.4.32-hf32.6 > Uptime: 08:19:43 up 16 days, 14:27, 1 user, load average: 0.00, 0.00, 0.00 > > > > Grant. Can you revert 42cce987d63d3048595b8b00d74be786707d5e5d commit? Regards, Michal -- Michal K. K. Piotrowski LTG - Linux Testers Group (http://www.stardust.webpages.pl/ltg/wiki/)