From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262231AbULCOs7 (ORCPT ); Fri, 3 Dec 2004 09:48:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262220AbULCOs6 (ORCPT ); Fri, 3 Dec 2004 09:48:58 -0500 Received: from village.ehouse.ru ([193.111.92.18]:5389 "EHLO mail.ehouse.ru") by vger.kernel.org with ESMTP id S262231AbULCOr4 (ORCPT ); Fri, 3 Dec 2004 09:47:56 -0500 From: "Alexander Y. Fomichev" Reply-To: "Alexander Y. Fomichev" To: linux-kernel@vger.kernel.org Subject: 2.6.10-rc2-bk13/16: Oops on Dual Opteron 246: Unable to handle kernel NULL pointer dereference Date: Fri, 3 Dec 2004 17:47:53 +0300 User-Agent: KMail/1.7.1 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200412031747.53996.gluk@php4.ru> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org G'day Happens at attempt to defragment InnoDB datafile by xfs_fsr. lights innodb # xfs_fsr ib_logfile1 (of ~5G size) (all & only innodb-related files lie on the xfs partition) Hardware Environment: Dual Opteron 246 / Iwill DK8S2 [AMD-8111] / 4G RAM/ LSI 320-2X Software Environment:[ 2.6.10-rc2-bk13/16 reiserfs(mount as root),xfs ], gcc (GCC) 3.4.3 (Gentoo Linux 3.4.3, ssp-3.4.3-0, pie-8.7.6.6), glibc-2.3.4, xfs_fsr, mysql(with InnoDB) Btw, I couldn't find any xfs staff in trace, and it seems reiserfs related more here. Oops 100% repeatable for us with 2.6.10-rc2-bk13 and 2.6.10-rc2-bk16 I send it to bugzilla.kernel.org: http://bugme.osdl.org/show_bug.cgi?id=3854 Here is a trace (ksymoopsed) lights root # Unable to handle kernel NULL pointer dereference at 0000000000000019 RIP: {write_ordered_buffers+76} PML4 e7bf3067 PGD e70bd067 PMD 0 Oops: 0002 [1] PREEMPT SMP CPU 1 Pid: 160, comm: pdflush Not tainted 2.6.10-rc2-bk16 RIP: 0010:[] {write_ordered_buffers+76} Using defaults from ksymoops -t elf64-x86-64 -a i386:x86-64 RSP: 0000:000001007fe35b58 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 000001003b766910 RDX: 000000000000000c RSI: 000001007c8aa5b0 RDI: 000001007fe35b68 RBP: 000001005cb08ca8 R08: 0000000000000000 R09: 0000010002b41f28 R10: 0000010046497540 R11: ffffffff802965d0 R12: ffffff00000a1168 R13: 0000000000000000 R14: 000001007fe35b58 R15: 0000000000022f98 FS: 0000002a958624a0(0000) GS:ffffffff80464800(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000019 CR3: 00000000f6f82000 CR4: 00000000000006e0 Stack: 000001003c3ce570 000001003df69f30 000001007c8aa190 000001007c8aa1e8 000001007c8aa240 000001007c8aa298 000001007c8aa2f0 000001007c8aa348 000001007c8aa3a0 000001007c8aa3f8 Call Trace:{flush_commit_list+421} {do_journal_end+3129} {schedule_timeout+174} {keventd_create_kthread+0} {reiserfs_write_super+64} {sync_supers+128} {wb_kupdate+42} {pdflush+323} {wb_kupdate+0} {pdflush+0} {kthread+217} {child_rip+8} {keventd_create_kthread+0} {kthread+0} {child_rip+0} Code: f0 ff 43 18 f0 0f ba 2b 02 19 c0 85 c0 0f 84 91 00 00 00 8b >>RIP; ffffffff801ca91c <===== >>R11; ffffffff802965d0 Trace; ffffffff801cb0e5 Trace; ffffffff80325d0e Trace; ffffffff801bc540 Trace; ffffffff8015727a Trace; ffffffff80157250 Trace; ffffffff80147a29 Trace; ffffffff80147a70 Trace; ffffffff8010e04f Code; ffffffff801ca91c 0000000000000000 <_RIP>: Code; ffffffff801ca91c <===== 0: f0 ff 43 18 lock incl 0x18(%rbx) <===== Code; ffffffff801ca920 4: f0 0f ba 2b 02 lock btsl $0x2,(%rbx) Code; ffffffff801ca925 9: 19 c0 sbb %eax,%eax Code; ffffffff801ca927 b: 85 c0 test %eax,%eax Code; ffffffff801ca929 d: 0f 84 91 00 00 00 je a4 <_RIP+0xa4> Code; ffffffff801ca92f 13: 8b 00 mov (%rax),%eax CR2: 0000000000000019 ________________________________________________ .config => http://sysadminday.org.ru/3854/config -- Best regards. Alexander Y. Fomichev Public PGP key: http://sysadminday.org.ru/gluk.asc