From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o32MBUtU251346 for ; Fri, 2 Apr 2010 17:11:31 -0500 Received: from mail.netcenter.hu (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id B62A4297A5E for ; Fri, 2 Apr 2010 15:13:15 -0700 (PDT) Received: from mail.netcenter.hu (ns.netcenter.hu [195.228.254.57]) by cuda.sgi.com with ESMTP id df2Q4dHMtbwNElHT for ; Fri, 02 Apr 2010 15:13:15 -0700 (PDT) Message-ID: <1fe901cad2b0$d39d0300$0400a8c0@dcccs> From: "Janos Haar" References: <03ca01cacb92$195adf50$0400a8c0@dcccs> <2375c9f91003242029p1efbbea1v8e313e460b118f14@mail.gmail.com> <20100325153110.6be9a3df.kamezawa.hiroyu@jp.fujitsu.com> <02c101cacbf8$d21d1650$0400a8c0@dcccs> <179901cad182$5f87f620$0400a8c0@dcccs> Subject: Re: Somebody take a look please! (some kind of kernel bug?) Date: Sat, 3 Apr 2010 00:07:00 +0200 MIME-Version: 1.0 List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: =?UTF-8?Q?Am=C3=A9rico_Wang?= Cc: axboe@kernel.dk, linux-mm@kvack.org, linux-kernel@vger.kernel.org, KAMEZAWA Hiroyuki , xfs@oss.sgi.com SGVsbG8sCgotLS0tLSBPcmlnaW5hbCBNZXNzYWdlIC0tLS0tIApGcm9tOiAiQW3DqXJpY28gV2Fu ZyIgPHhpeW91Lndhbmdjb25nQGdtYWlsLmNvbT4KVG86ICJKYW5vcyBIYWFyIiA8amFub3MuaGFh ckBuZXRjZW50ZXIuaHU+CkNjOiA8bGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZz47ICJLQU1F WkFXQSBIaXJveXVraSIgCjxrYW1lemF3YS5oaXJveXVAanAuZnVqaXRzdS5jb20+OyA8bGludXgt bW1Aa3ZhY2sub3JnPjsgPHhmc0Bvc3Muc2dpLmNvbT47IAoiSmVucyBBeGJvZSIgPGF4Ym9lQGtl cm5lbC5kaz4KU2VudDogVGh1cnNkYXksIEFwcmlsIDAxLCAyMDEwIDEyOjM3IFBNClN1YmplY3Q6 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Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755534Ab0DBWNZ (ORCPT ); Fri, 2 Apr 2010 18:13:25 -0400 Received: from ns.netcenter.hu ([195.228.254.57]:38379 "EHLO mail.netcenter.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755238Ab0DBWNS (ORCPT ); Fri, 2 Apr 2010 18:13:18 -0400 Message-ID: <1fe901cad2b0$d39d0300$0400a8c0@dcccs> From: "Janos Haar" To: =?UTF-8?Q?Am=C3=A9rico_Wang?= Cc: , "KAMEZAWA Hiroyuki" , , , References: <03ca01cacb92$195adf50$0400a8c0@dcccs> <2375c9f91003242029p1efbbea1v8e313e460b118f14@mail.gmail.com> <20100325153110.6be9a3df.kamezawa.hiroyu@jp.fujitsu.com> <02c101cacbf8$d21d1650$0400a8c0@dcccs> <179901cad182$5f87f620$0400a8c0@dcccs> Subject: Re: Somebody take a look please! (some kind of kernel bug?) Date: Sat, 3 Apr 2010 00:07:00 +0200 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="UTF-8"; reply-type=original Content-Transfer-Encoding: 8bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3598 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3350 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, ----- Original Message ----- From: "Américo Wang" To: "Janos Haar" Cc: ; "KAMEZAWA Hiroyuki" ; ; ; "Jens Axboe" Sent: Thursday, April 01, 2010 12:37 PM Subject: Re: Somebody take a look please! (some kind of kernel bug?) > On Thu, Apr 1, 2010 at 6:01 PM, Janos Haar > wrote: >> Hello, >> > > Hi, > This is a totally different bug from the previous one reported by you. :) Today i have got this again, exactly the same. (if somebody wants the log, just ask) There is a cut: Apr 1 18:50:02 alfa kernel: possible SYN flooding on port 80. Sending cookies. Apr 2 21:16:59 alfa kernel: BUG: unable to handle kernel paging request at 000000010000008c Apr 2 21:16:59 alfa kernel: IP: [] xfs_iflush_cluster+0x148/0x35a Apr 2 21:16:59 alfa kernel: PGD a7374067 PUD 0 Apr 2 21:16:59 alfa kernel: Oops: 0000 [#1] SMP Apr 2 21:16:59 alfa kernel: last sysfs file: /sys/class/misc/rfkill/dev Apr 2 21:16:59 alfa kernel: CPU 1 Apr 2 21:16:59 alfa kernel: Modules linked in: hidp l2cap crc16 bluetooth rfkill ipv6 video output sbs sbshc battery ac parport_pc lp parport 8250_pnp serio_ raw shpchp 8250 serial_core i2c_i801 button pcspkr i2c_core Apr 2 21:16:59 alfa kernel: Pid: 3118, comm: flush-8:16 Not tainted 2.6.32.10 #2 Apr 2 21:16:59 alfa kernel: RIP: 0010:[] [] xfs_iflush_cluster+0x148/0x35a Apr 2 21:16:59 alfa kernel: RSP: 0000:ffff88022849db60 EFLAGS: 00010206 Apr 2 21:16:59 alfa kernel: RAX: 0000000100000000 RBX: ffff8801535b47d0 RCX: 000000000000001a Apr 2 21:16:59 alfa kernel: RDX: 0000000000000020 RSI: ffff880178e49158 RDI: ffff88022a5c8138 Apr 2 21:16:59 alfa kernel: RBP: ffff88022849dbd0 R08: 0000000000000001 R09: ffff880137ba67a0 Apr 2 21:16:59 alfa kernel: R10: ffff88022849db50 R11: 0000000000000020 R12: ffff880137ba6858 Apr 2 21:16:59 alfa kernel: R13: ffff880115f4cd68 R14: ffff88022953a9e0 R15: 000000000061d440 Apr 2 21:16:59 alfa kernel: FS: 0000000000000000(0000) GS:ffff880028280000(0000) knlGS:0000000000000000 Apr 2 21:16:59 alfa kernel: CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b Apr 2 21:16:59 alfa kernel: CR2: 000000010000008c CR3: 0000000028154000 CR4: 00000000000006e0 Apr 2 21:16:59 alfa kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Apr 2 21:16:59 alfa kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Apr 2 21:16:59 alfa kernel: Process flush-8:16 (pid: 3118, threadinfo ffff88022849c000, task ffff88022a4f4040) Apr 2 21:16:59 alfa kernel: Stack: Apr 2 21:16:59 alfa kernel: ffff88022953a9e0 ffff8801d8ac58d0 ffff88022960f7a8 ffffffffffffffe0 Apr 2 21:16:59 alfa kernel: <0> 0000000000000020 ffff8801d53bb5e8 000000202849dbd0 0000000a00000001 Apr 2 21:16:59 alfa kernel: <0> ffff8801d53bb638 ffff880115f4cd68 ffff8801d8ac58d0 0000000000000002 Apr 2 21:16:59 alfa kernel: Call Trace: Apr 2 21:16:59 alfa kernel: [] xfs_iflush+0x1c4/0x272 Apr 2 21:16:59 alfa kernel: [] ? try_wait_for_completion+0x24/0x45 Apr 2 21:16:59 alfa kernel: [] xfs_fs_write_inode+0xe0/0x11e Apr 2 21:16:59 alfa kernel: [] writeback_single_inode+0x109/0x215 Apr 2 21:16:59 alfa kernel: [] writeback_inodes_wb+0x33a/0x3cc Apr 2 21:16:59 alfa kernel: [] wb_writeback+0x137/0x1c7 Apr 2 21:16:59 alfa kernel: [] ? wb_do_writeback+0x7d/0x1ae Apr 2 21:16:59 alfa kernel: [] wb_do_writeback+0x179/0x1ae Apr 2 21:16:59 alfa kernel: [] ? wb_do_writeback+0x7d/0x1ae Apr 2 21:16:59 alfa kernel: [] ? process_timeout+0x0/0x10 Apr 2 21:16:59 alfa kernel: [] ? bdi_start_fn+0x0/0xd1 Apr 2 21:16:59 alfa kernel: [] bdi_writeback_task+0x2c/0xa2 Apr 2 21:16:59 alfa kernel: [] bdi_start_fn+0x76/0xd1 Apr 2 21:16:59 alfa kernel: [] ? bdi_start_fn+0x0/0xd1 Apr 2 21:16:59 alfa kernel: [] kthread+0x82/0x8d Apr 2 21:16:59 alfa kernel: [] child_rip+0xa/0x20 Apr 2 21:16:59 alfa kernel: [] ? restore_args+0x0/0x30 Apr 2 21:16:59 alfa kernel: [] ? finish_task_switch+0x0/0xbc Apr 2 21:16:59 alfa kernel: [] ? kthread+0x0/0x8d Apr 2 21:16:59 alfa kernel: [] ? child_rip+0x0/0x20 Apr 2 21:16:59 alfa kernel: Code: 8e eb 01 00 00 b8 01 00 00 00 48 d3 e0 ff c8 23 43 18 48 23 45 a8 4c 39 f8 0f 85 ae 00 00 00 48 8b 83 80 00 00 00 48 85 c0 74 0b <66> f7 80 8c 00 00 00 ff 01 75 13 80 bb 0a 02 00 00 00 75 0a 8b Apr 2 21:16:59 alfa kernel: RIP [] xfs_iflush_cluster+0x148/0x35a Apr 2 21:16:59 alfa kernel: RSP Apr 2 21:16:59 alfa kernel: CR2: 000000010000008c Apr 2 21:16:59 alfa kernel: ---[ end trace 7528355f76bf7b08 ]--- Apr 2 21:17:53 alfa kernel: BUG: soft lockup - CPU#3 stuck for 61s! [httpd:17617] Apr 2 21:17:53 alfa kernel: Modules linked in: hidp l2cap crc16 bluetooth rfkill ipv6 video output sbs sbshc battery ac parport_pc lp parport 8250_pnp serio_ raw shpchp 8250 serial_core i2c_i801 button pcspkr i2c_core Apr 2 21:17:53 alfa kernel: CPU 3: Apr 2 21:17:53 alfa kernel: Modules linked in: hidp l2cap crc16 bluetooth rfkill ipv6 video output sbs sbshc battery ac parport_pc lp parport 8250_pnp serio_ raw shpchp 8250 serial_core i2c_i801 button pcspkr i2c_core Apr 2 21:17:53 alfa kernel: Pid: 17617, comm: httpd Tainted: G D 2.6.32.10 #2 Apr 2 21:17:53 alfa kernel: RIP: 0010:[] [] __write_lock_failed+0xf/0x20 Apr 2 21:17:53 alfa kernel: RSP: 0018:ffff8800a46b1a20 EFLAGS: 00000287 Apr 2 21:17:53 alfa kernel: RAX: 0000000000000003 RBX: ffff8800a46b1a38 RCX: 0000000000000000 Apr 2 21:17:53 alfa kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88022960f7a8 Apr 2 21:17:53 alfa kernel: RBP: ffffffff8100bc2e R08: 0000000000000001 R09: 0000000000000000 Apr 2 21:17:53 alfa kernel: R10: ffffffff812f1fcf R11: 0000000000014001 R12: ffff88002838e820 Apr 2 21:17:53 alfa kernel: R13: 0000000000005033 R14: ffff8800a46b0000 R15: 0000000000000100 Apr 2 21:17:53 alfa kernel: FS: 00007feea89c26f0(0000) GS:ffff880028380000(0000) knlGS:0000000000000000 Apr 2 21:17:53 alfa kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Apr 2 21:17:53 alfa kernel: CR2: 0000000000edba48 CR3: 000000017b034000 CR4: 00000000000006e0 Apr 2 21:17:53 alfa kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Apr 2 21:17:53 alfa kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Apr 2 21:17:53 alfa kernel: Call Trace: Apr 2 21:17:53 alfa kernel: [] ? _raw_write_lock+0x6a/0x7e Apr 2 21:17:53 alfa kernel: [] ? _write_lock+0x39/0x3e Apr 2 21:17:53 alfa kernel: [] ? xfs_iget+0x2e3/0x422 Apr 2 21:17:53 alfa kernel: [] ? xfs_iget+0x2e3/0x422 Apr 2 21:17:53 alfa kernel: [] ? xfs_trans_iget+0x2a/0x55 Apr 2 21:17:53 alfa kernel: [] ? xfs_ialloc+0x9b/0x569 Apr 2 21:17:53 alfa kernel: [] ? __down_write_nested+0x1a/0xa1 Apr 2 21:17:53 alfa kernel: [] ? xfs_dir_ialloc+0x78/0x289 Apr 2 21:17:53 alfa kernel: [] ? down_write_nested+0x52/0x59 Apr 2 21:17:53 alfa kernel: [] ? xfs_create+0x317/0x526 Apr 2 21:17:53 alfa kernel: [] ? xfs_vn_mknod+0xdb/0x171 Apr 2 21:17:53 alfa kernel: [] ? xfs_vn_create+0x10/0x12 Apr 2 21:17:53 alfa kernel: [] ? vfs_create+0xee/0x18c Apr 2 21:17:53 alfa kernel: [] ? do_filp_open+0x31a/0x99f Apr 2 21:17:53 alfa kernel: [] ? cp_new_stat+0xfb/0x114 Apr 2 21:17:53 alfa kernel: [] ? alloc_fd+0x38/0x123 Apr 2 21:17:53 alfa kernel: [] ? _spin_unlock+0x2b/0x2f Apr 2 21:17:53 alfa kernel: [] ? do_sys_open+0x62/0x109 Apr 2 21:17:53 alfa kernel: [] ? sys_open+0x20/0x22 Apr 2 21:17:53 alfa kernel: [] ? system_call_fastpath+0x16/0x1b Apr 2 21:18:59 alfa kernel: BUG: soft lockup - CPU#3 stuck for 61s! [httpd:17617] Apr 2 21:31:26 alfa syslogd 1.4.1: restart. It looks like i can reproduce the but on this server on every 2-3 days. The only problem is, my customer will kill me if i can't fix it soon. :-) Can somebody help me or suggest another solution to avoid this problem? Thanks a lot, Janos Haar > >> Another issue with this productive server: >> Can somebody point me to the rigth direction? >> Or support that this is a hw problem or not? > > > Probably no, it looks like an XFS bug or a write-back bug. > > Thanks for your report. Cc'ing related people... > > >> >> The messages file are here: >> http://download.netcenter.hu/bughunt/20100324/marc30 >> >> Thanks, >> Janos Haar >> >> Mar 30 18:51:43 alfa kernel: BUG: unable to handle kernel paging request >> at >> 000000320000008c >> Mar 30 18:51:43 alfa kernel: IP: [] >> xfs_iflush_cluster+0x148/0x35a >> Mar 30 18:51:43 alfa kernel: PGD 102d7a067 PUD 0 >> Mar 30 18:51:43 alfa kernel: Oops: 0000 [#1] SMP >> Mar 30 18:51:43 alfa kernel: last sysfs file: /sys/class/misc/rfkill/dev >> Mar 30 18:51:43 alfa kernel: CPU 0 >> Mar 30 18:51:43 alfa kernel: Modules linked in: hidp l2cap crc16 >> bluetooth >> rfkill ipv6 video output sbs sbshc battery ac parport_pc lp parport >> serio_raw 8250_ >> pnp 8250 serial_core shpchp button i2c_i801 i2c_core pcspkr >> Mar 30 18:51:43 alfa kernel: Pid: 3242, comm: flush-8:16 Not tainted >> 2.6.32.10 #2 >> Mar 30 18:51:43 alfa kernel: RIP: 0010:[] >> [] xfs_iflush_cluster+0x148/0x35a >> Mar 30 18:51:43 alfa kernel: RSP: 0000:ffff880228ce5b60 EFLAGS: 00010206 >> Mar 30 18:51:43 alfa kernel: RAX: 0000003200000000 RBX: ffff8801537947d0 >> RCX: 000000000000001a >> Mar 30 18:51:43 alfa kernel: RDX: 0000000000000020 RSI: 00000000000c6cc2 >> RDI: 0000000000000001 >> Mar 30 18:51:43 alfa kernel: RBP: ffff880228ce5bd0 R08: ffff880228ce5b20 >> R09: ffff8801ea436928 >> Mar 30 18:51:43 alfa kernel: R10: 00000000000c6cc2 R11: 0000000000000001 >> R12: ffff8800b630b11a >> Mar 30 18:51:43 alfa kernel: R13: ffff8801bd54ab30 R14: ffff88022962d2b8 >> R15: 00000000000c6ca0 >> Mar 30 18:51:43 alfa kernel: FS: 0000000000000000(0000) >> GS:ffff880028200000(0000) knlGS:0000000000000000 >> Mar 30 18:51:43 alfa kernel: CS: 0010 DS: 0018 ES: 0018 CR0: >> 000000008005003b >> Mar 30 18:51:43 alfa kernel: CR2: 000000320000008c CR3: 0000000168e75000 >> CR4: 00000000000006f0 >> Mar 30 18:51:43 alfa kernel: DR0: 0000000000000000 DR1: 0000000000000000 >> DR2: 0000000000000000 >> Mar 30 18:51:43 alfa kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 >> DR7: 0000000000000400 >> Mar 30 18:51:43 alfa kernel: Process flush-8:16 (pid: 3242, threadinfo >> ffff880228ce4000, task ffff880228ea4040) >> Mar 30 18:51:43 alfa kernel: Stack: >> Mar 30 18:51:43 alfa kernel: ffff8801bd54ab30 ffff8800b630b140 >> ffff88022a2d99d0 ffffffffffffffe0 >> Mar 30 18:51:43 alfa kernel: <0> 0000000000000020 ffff880218e3db60 >> 0000002028ce5bd0 0000000200000000 >> Mar 30 18:51:43 alfa kernel: <0> ffff880218e3db70 ffff8801bd54ab30 >> ffff8800b630b140 0000000000000002 >> Mar 30 18:51:43 alfa kernel: Call Trace: >> Mar 30 18:51:43 alfa kernel: [] xfs_iflush+0x1c4/0x272 >> Mar 30 18:51:43 alfa kernel: [] ? >> try_wait_for_completion+0x24/0x45 >> Mar 30 18:51:43 alfa kernel: [] >> xfs_fs_write_inode+0xe0/0x11e >> Mar 30 18:51:43 alfa kernel: [] >> writeback_single_inode+0x109/0x215 >> Mar 30 18:51:43 alfa kernel: [] >> writeback_inodes_wb+0x33a/0x3cc >> Mar 30 18:51:43 alfa kernel: [] >> wb_writeback+0x137/0x1c7 >> Mar 30 18:51:43 alfa kernel: [] ? >> wb_do_writeback+0x7d/0x1ae >> Mar 30 18:51:43 alfa kernel: [] >> wb_do_writeback+0x179/0x1ae >> Mar 30 18:51:43 alfa kernel: [] ? >> wb_do_writeback+0x7d/0x1ae >> Mar 30 18:51:43 alfa kernel: [] ? >> process_timeout+0x0/0x10 >> Mar 30 18:51:43 alfa kernel: [] ? bdi_start_fn+0x0/0xd1 >> Mar 30 18:51:43 alfa kernel: [] >> bdi_writeback_task+0x2c/0xa2 >> Mar 30 18:51:43 alfa kernel: [] bdi_start_fn+0x76/0xd1 >> Mar 30 18:51:43 alfa kernel: [] ? bdi_start_fn+0x0/0xd1 >> Mar 30 18:51:43 alfa kernel: [] kthread+0x82/0x8d >> Mar 30 18:51:43 alfa kernel: [] child_rip+0xa/0x20 >> Mar 30 18:51:43 alfa kernel: [] ? restore_args+0x0/0x30 >> Mar 30 18:51:43 alfa kernel: [] ? >> finish_task_switch+0x0/0xbc >> Mar 30 18:51:43 alfa kernel: [] ? kthread+0x0/0x8d >> Mar 30 18:51:43 alfa kernel: [] ? child_rip+0x0/0x20 >> Mar 30 18:51:43 alfa kernel: Code: 8e eb 01 00 00 b8 01 00 00 00 48 d3 e0 >> ff >> c8 23 43 18 48 23 45 a8 4c 39 f8 0f 85 ae 00 00 00 48 8b 83 80 00 00 00 >> 48 >> 85 c0 >> 74 0b <66> f7 80 8c 00 00 00 ff 01 75 13 80 bb 0a 02 00 00 00 75 0a 8b >> Mar 30 18:51:43 alfa kernel: RIP [] >> xfs_iflush_cluster+0x148/0x35a >> Mar 30 18:51:43 alfa kernel: RSP >> Mar 30 18:51:43 alfa kernel: CR2: 000000320000008c >> Mar 30 18:51:43 alfa kernel: ---[ end trace e6c8391ea76602f4 ]--- >> Mar 30 18:51:43 alfa kernel: flush-8:16 used greatest stack depth: 2464 >> bytes left >> Mar 30 19:09:39 alfa syslogd 1.4.1: restart. >> > -- > 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/ From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with ESMTP id CBD446B01EE for ; Fri, 2 Apr 2010 18:13:15 -0400 (EDT) Message-ID: <1fe901cad2b0$d39d0300$0400a8c0@dcccs> From: "Janos Haar" References: <03ca01cacb92$195adf50$0400a8c0@dcccs> <2375c9f91003242029p1efbbea1v8e313e460b118f14@mail.gmail.com> <20100325153110.6be9a3df.kamezawa.hiroyu@jp.fujitsu.com> <02c101cacbf8$d21d1650$0400a8c0@dcccs> <179901cad182$5f87f620$0400a8c0@dcccs> Subject: Re: Somebody take a look please! (some kind of kernel bug?) Date: Sat, 3 Apr 2010 00:07:00 +0200 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="UTF-8"; reply-type=original Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org To: =?UTF-8?Q?Am=C3=A9rico_Wang?= Cc: linux-kernel@vger.kernel.org, KAMEZAWA Hiroyuki , linux-mm@kvack.org, xfs@oss.sgi.com, axboe@kernel.dk List-ID: Hello, ----- Original Message ----- From: "AmA(C)rico Wang" To: "Janos Haar" Cc: ; "KAMEZAWA Hiroyuki" ; ; ; "Jens Axboe" Sent: Thursday, April 01, 2010 12:37 PM Subject: Re: Somebody take a look please! (some kind of kernel bug?) > On Thu, Apr 1, 2010 at 6:01 PM, Janos Haar > wrote: >> Hello, >> > > Hi, > This is a totally different bug from the previous one reported by you. :) Today i have got this again, exactly the same. (if somebody wants the log, just ask) There is a cut: Apr 1 18:50:02 alfa kernel: possible SYN flooding on port 80. Sending cookies. Apr 2 21:16:59 alfa kernel: BUG: unable to handle kernel paging request at 000000010000008c Apr 2 21:16:59 alfa kernel: IP: [] xfs_iflush_cluster+0x148/0x35a Apr 2 21:16:59 alfa kernel: PGD a7374067 PUD 0 Apr 2 21:16:59 alfa kernel: Oops: 0000 [#1] SMP Apr 2 21:16:59 alfa kernel: last sysfs file: /sys/class/misc/rfkill/dev Apr 2 21:16:59 alfa kernel: CPU 1 Apr 2 21:16:59 alfa kernel: Modules linked in: hidp l2cap crc16 bluetooth rfkill ipv6 video output sbs sbshc battery ac parport_pc lp parport 8250_pnp serio_ raw shpchp 8250 serial_core i2c_i801 button pcspkr i2c_core Apr 2 21:16:59 alfa kernel: Pid: 3118, comm: flush-8:16 Not tainted 2.6.32.10 #2 Apr 2 21:16:59 alfa kernel: RIP: 0010:[] [] xfs_iflush_cluster+0x148/0x35a Apr 2 21:16:59 alfa kernel: RSP: 0000:ffff88022849db60 EFLAGS: 00010206 Apr 2 21:16:59 alfa kernel: RAX: 0000000100000000 RBX: ffff8801535b47d0 RCX: 000000000000001a Apr 2 21:16:59 alfa kernel: RDX: 0000000000000020 RSI: ffff880178e49158 RDI: ffff88022a5c8138 Apr 2 21:16:59 alfa kernel: RBP: ffff88022849dbd0 R08: 0000000000000001 R09: ffff880137ba67a0 Apr 2 21:16:59 alfa kernel: R10: ffff88022849db50 R11: 0000000000000020 R12: ffff880137ba6858 Apr 2 21:16:59 alfa kernel: R13: ffff880115f4cd68 R14: ffff88022953a9e0 R15: 000000000061d440 Apr 2 21:16:59 alfa kernel: FS: 0000000000000000(0000) GS:ffff880028280000(0000) knlGS:0000000000000000 Apr 2 21:16:59 alfa kernel: CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b Apr 2 21:16:59 alfa kernel: CR2: 000000010000008c CR3: 0000000028154000 CR4: 00000000000006e0 Apr 2 21:16:59 alfa kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Apr 2 21:16:59 alfa kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Apr 2 21:16:59 alfa kernel: Process flush-8:16 (pid: 3118, threadinfo ffff88022849c000, task ffff88022a4f4040) Apr 2 21:16:59 alfa kernel: Stack: Apr 2 21:16:59 alfa kernel: ffff88022953a9e0 ffff8801d8ac58d0 ffff88022960f7a8 ffffffffffffffe0 Apr 2 21:16:59 alfa kernel: <0> 0000000000000020 ffff8801d53bb5e8 000000202849dbd0 0000000a00000001 Apr 2 21:16:59 alfa kernel: <0> ffff8801d53bb638 ffff880115f4cd68 ffff8801d8ac58d0 0000000000000002 Apr 2 21:16:59 alfa kernel: Call Trace: Apr 2 21:16:59 alfa kernel: [] xfs_iflush+0x1c4/0x272 Apr 2 21:16:59 alfa kernel: [] ? try_wait_for_completion+0x24/0x45 Apr 2 21:16:59 alfa kernel: [] xfs_fs_write_inode+0xe0/0x11e Apr 2 21:16:59 alfa kernel: [] writeback_single_inode+0x109/0x215 Apr 2 21:16:59 alfa kernel: [] writeback_inodes_wb+0x33a/0x3cc Apr 2 21:16:59 alfa kernel: [] wb_writeback+0x137/0x1c7 Apr 2 21:16:59 alfa kernel: [] ? wb_do_writeback+0x7d/0x1ae Apr 2 21:16:59 alfa kernel: [] wb_do_writeback+0x179/0x1ae Apr 2 21:16:59 alfa kernel: [] ? wb_do_writeback+0x7d/0x1ae Apr 2 21:16:59 alfa kernel: [] ? process_timeout+0x0/0x10 Apr 2 21:16:59 alfa kernel: [] ? bdi_start_fn+0x0/0xd1 Apr 2 21:16:59 alfa kernel: [] bdi_writeback_task+0x2c/0xa2 Apr 2 21:16:59 alfa kernel: [] bdi_start_fn+0x76/0xd1 Apr 2 21:16:59 alfa kernel: [] ? bdi_start_fn+0x0/0xd1 Apr 2 21:16:59 alfa kernel: [] kthread+0x82/0x8d Apr 2 21:16:59 alfa kernel: [] child_rip+0xa/0x20 Apr 2 21:16:59 alfa kernel: [] ? restore_args+0x0/0x30 Apr 2 21:16:59 alfa kernel: [] ? finish_task_switch+0x0/0xbc Apr 2 21:16:59 alfa kernel: [] ? kthread+0x0/0x8d Apr 2 21:16:59 alfa kernel: [] ? child_rip+0x0/0x20 Apr 2 21:16:59 alfa kernel: Code: 8e eb 01 00 00 b8 01 00 00 00 48 d3 e0 ff c8 23 43 18 48 23 45 a8 4c 39 f8 0f 85 ae 00 00 00 48 8b 83 80 00 00 00 48 85 c0 74 0b <66> f7 80 8c 00 00 00 ff 01 75 13 80 bb 0a 02 00 00 00 75 0a 8b Apr 2 21:16:59 alfa kernel: RIP [] xfs_iflush_cluster+0x148/0x35a Apr 2 21:16:59 alfa kernel: RSP Apr 2 21:16:59 alfa kernel: CR2: 000000010000008c Apr 2 21:16:59 alfa kernel: ---[ end trace 7528355f76bf7b08 ]--- Apr 2 21:17:53 alfa kernel: BUG: soft lockup - CPU#3 stuck for 61s! [httpd:17617] Apr 2 21:17:53 alfa kernel: Modules linked in: hidp l2cap crc16 bluetooth rfkill ipv6 video output sbs sbshc battery ac parport_pc lp parport 8250_pnp serio_ raw shpchp 8250 serial_core i2c_i801 button pcspkr i2c_core Apr 2 21:17:53 alfa kernel: CPU 3: Apr 2 21:17:53 alfa kernel: Modules linked in: hidp l2cap crc16 bluetooth rfkill ipv6 video output sbs sbshc battery ac parport_pc lp parport 8250_pnp serio_ raw shpchp 8250 serial_core i2c_i801 button pcspkr i2c_core Apr 2 21:17:53 alfa kernel: Pid: 17617, comm: httpd Tainted: G D 2.6.32.10 #2 Apr 2 21:17:53 alfa kernel: RIP: 0010:[] [] __write_lock_failed+0xf/0x20 Apr 2 21:17:53 alfa kernel: RSP: 0018:ffff8800a46b1a20 EFLAGS: 00000287 Apr 2 21:17:53 alfa kernel: RAX: 0000000000000003 RBX: ffff8800a46b1a38 RCX: 0000000000000000 Apr 2 21:17:53 alfa kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88022960f7a8 Apr 2 21:17:53 alfa kernel: RBP: ffffffff8100bc2e R08: 0000000000000001 R09: 0000000000000000 Apr 2 21:17:53 alfa kernel: R10: ffffffff812f1fcf R11: 0000000000014001 R12: ffff88002838e820 Apr 2 21:17:53 alfa kernel: R13: 0000000000005033 R14: ffff8800a46b0000 R15: 0000000000000100 Apr 2 21:17:53 alfa kernel: FS: 00007feea89c26f0(0000) GS:ffff880028380000(0000) knlGS:0000000000000000 Apr 2 21:17:53 alfa kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Apr 2 21:17:53 alfa kernel: CR2: 0000000000edba48 CR3: 000000017b034000 CR4: 00000000000006e0 Apr 2 21:17:53 alfa kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Apr 2 21:17:53 alfa kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Apr 2 21:17:53 alfa kernel: Call Trace: Apr 2 21:17:53 alfa kernel: [] ? _raw_write_lock+0x6a/0x7e Apr 2 21:17:53 alfa kernel: [] ? _write_lock+0x39/0x3e Apr 2 21:17:53 alfa kernel: [] ? xfs_iget+0x2e3/0x422 Apr 2 21:17:53 alfa kernel: [] ? xfs_iget+0x2e3/0x422 Apr 2 21:17:53 alfa kernel: [] ? xfs_trans_iget+0x2a/0x55 Apr 2 21:17:53 alfa kernel: [] ? xfs_ialloc+0x9b/0x569 Apr 2 21:17:53 alfa kernel: [] ? __down_write_nested+0x1a/0xa1 Apr 2 21:17:53 alfa kernel: [] ? xfs_dir_ialloc+0x78/0x289 Apr 2 21:17:53 alfa kernel: [] ? down_write_nested+0x52/0x59 Apr 2 21:17:53 alfa kernel: [] ? xfs_create+0x317/0x526 Apr 2 21:17:53 alfa kernel: [] ? xfs_vn_mknod+0xdb/0x171 Apr 2 21:17:53 alfa kernel: [] ? xfs_vn_create+0x10/0x12 Apr 2 21:17:53 alfa kernel: [] ? vfs_create+0xee/0x18c Apr 2 21:17:53 alfa kernel: [] ? do_filp_open+0x31a/0x99f Apr 2 21:17:53 alfa kernel: [] ? cp_new_stat+0xfb/0x114 Apr 2 21:17:53 alfa kernel: [] ? alloc_fd+0x38/0x123 Apr 2 21:17:53 alfa kernel: [] ? _spin_unlock+0x2b/0x2f Apr 2 21:17:53 alfa kernel: [] ? do_sys_open+0x62/0x109 Apr 2 21:17:53 alfa kernel: [] ? sys_open+0x20/0x22 Apr 2 21:17:53 alfa kernel: [] ? system_call_fastpath+0x16/0x1b Apr 2 21:18:59 alfa kernel: BUG: soft lockup - CPU#3 stuck for 61s! [httpd:17617] Apr 2 21:31:26 alfa syslogd 1.4.1: restart. It looks like i can reproduce the but on this server on every 2-3 days. The only problem is, my customer will kill me if i can't fix it soon. :-) Can somebody help me or suggest another solution to avoid this problem? Thanks a lot, Janos Haar > >> Another issue with this productive server: >> Can somebody point me to the rigth direction? >> Or support that this is a hw problem or not? > > > Probably no, it looks like an XFS bug or a write-back bug. > > Thanks for your report. Cc'ing related people... > > >> >> The messages file are here: >> http://download.netcenter.hu/bughunt/20100324/marc30 >> >> Thanks, >> Janos Haar >> >> Mar 30 18:51:43 alfa kernel: BUG: unable to handle kernel paging request >> at >> 000000320000008c >> Mar 30 18:51:43 alfa kernel: IP: [] >> xfs_iflush_cluster+0x148/0x35a >> Mar 30 18:51:43 alfa kernel: PGD 102d7a067 PUD 0 >> Mar 30 18:51:43 alfa kernel: Oops: 0000 [#1] SMP >> Mar 30 18:51:43 alfa kernel: last sysfs file: /sys/class/misc/rfkill/dev >> Mar 30 18:51:43 alfa kernel: CPU 0 >> Mar 30 18:51:43 alfa kernel: Modules linked in: hidp l2cap crc16 >> bluetooth >> rfkill ipv6 video output sbs sbshc battery ac parport_pc lp parport >> serio_raw 8250_ >> pnp 8250 serial_core shpchp button i2c_i801 i2c_core pcspkr >> Mar 30 18:51:43 alfa kernel: Pid: 3242, comm: flush-8:16 Not tainted >> 2.6.32.10 #2 >> Mar 30 18:51:43 alfa kernel: RIP: 0010:[] >> [] xfs_iflush_cluster+0x148/0x35a >> Mar 30 18:51:43 alfa kernel: RSP: 0000:ffff880228ce5b60 EFLAGS: 00010206 >> Mar 30 18:51:43 alfa kernel: RAX: 0000003200000000 RBX: ffff8801537947d0 >> RCX: 000000000000001a >> Mar 30 18:51:43 alfa kernel: RDX: 0000000000000020 RSI: 00000000000c6cc2 >> RDI: 0000000000000001 >> Mar 30 18:51:43 alfa kernel: RBP: ffff880228ce5bd0 R08: ffff880228ce5b20 >> R09: ffff8801ea436928 >> Mar 30 18:51:43 alfa kernel: R10: 00000000000c6cc2 R11: 0000000000000001 >> R12: ffff8800b630b11a >> Mar 30 18:51:43 alfa kernel: R13: ffff8801bd54ab30 R14: ffff88022962d2b8 >> R15: 00000000000c6ca0 >> Mar 30 18:51:43 alfa kernel: FS: 0000000000000000(0000) >> GS:ffff880028200000(0000) knlGS:0000000000000000 >> Mar 30 18:51:43 alfa kernel: CS: 0010 DS: 0018 ES: 0018 CR0: >> 000000008005003b >> Mar 30 18:51:43 alfa kernel: CR2: 000000320000008c CR3: 0000000168e75000 >> CR4: 00000000000006f0 >> Mar 30 18:51:43 alfa kernel: DR0: 0000000000000000 DR1: 0000000000000000 >> DR2: 0000000000000000 >> Mar 30 18:51:43 alfa kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 >> DR7: 0000000000000400 >> Mar 30 18:51:43 alfa kernel: Process flush-8:16 (pid: 3242, threadinfo >> ffff880228ce4000, task ffff880228ea4040) >> Mar 30 18:51:43 alfa kernel: Stack: >> Mar 30 18:51:43 alfa kernel: ffff8801bd54ab30 ffff8800b630b140 >> ffff88022a2d99d0 ffffffffffffffe0 >> Mar 30 18:51:43 alfa kernel: <0> 0000000000000020 ffff880218e3db60 >> 0000002028ce5bd0 0000000200000000 >> Mar 30 18:51:43 alfa kernel: <0> ffff880218e3db70 ffff8801bd54ab30 >> ffff8800b630b140 0000000000000002 >> Mar 30 18:51:43 alfa kernel: Call Trace: >> Mar 30 18:51:43 alfa kernel: [] xfs_iflush+0x1c4/0x272 >> Mar 30 18:51:43 alfa kernel: [] ? >> try_wait_for_completion+0x24/0x45 >> Mar 30 18:51:43 alfa kernel: [] >> xfs_fs_write_inode+0xe0/0x11e >> Mar 30 18:51:43 alfa kernel: [] >> writeback_single_inode+0x109/0x215 >> Mar 30 18:51:43 alfa kernel: [] >> writeback_inodes_wb+0x33a/0x3cc >> Mar 30 18:51:43 alfa kernel: [] >> wb_writeback+0x137/0x1c7 >> Mar 30 18:51:43 alfa kernel: [] ? >> wb_do_writeback+0x7d/0x1ae >> Mar 30 18:51:43 alfa kernel: [] >> wb_do_writeback+0x179/0x1ae >> Mar 30 18:51:43 alfa kernel: [] ? >> wb_do_writeback+0x7d/0x1ae >> Mar 30 18:51:43 alfa kernel: [] ? >> process_timeout+0x0/0x10 >> Mar 30 18:51:43 alfa kernel: [] ? bdi_start_fn+0x0/0xd1 >> Mar 30 18:51:43 alfa kernel: [] >> bdi_writeback_task+0x2c/0xa2 >> Mar 30 18:51:43 alfa kernel: [] bdi_start_fn+0x76/0xd1 >> Mar 30 18:51:43 alfa kernel: [] ? bdi_start_fn+0x0/0xd1 >> Mar 30 18:51:43 alfa kernel: [] kthread+0x82/0x8d >> Mar 30 18:51:43 alfa kernel: [] child_rip+0xa/0x20 >> Mar 30 18:51:43 alfa kernel: [] ? restore_args+0x0/0x30 >> Mar 30 18:51:43 alfa kernel: [] ? >> finish_task_switch+0x0/0xbc >> Mar 30 18:51:43 alfa kernel: [] ? kthread+0x0/0x8d >> Mar 30 18:51:43 alfa kernel: [] ? child_rip+0x0/0x20 >> Mar 30 18:51:43 alfa kernel: Code: 8e eb 01 00 00 b8 01 00 00 00 48 d3 e0 >> ff >> c8 23 43 18 48 23 45 a8 4c 39 f8 0f 85 ae 00 00 00 48 8b 83 80 00 00 00 >> 48 >> 85 c0 >> 74 0b <66> f7 80 8c 00 00 00 ff 01 75 13 80 bb 0a 02 00 00 00 75 0a 8b >> Mar 30 18:51:43 alfa kernel: RIP [] >> xfs_iflush_cluster+0x148/0x35a >> Mar 30 18:51:43 alfa kernel: RSP >> Mar 30 18:51:43 alfa kernel: CR2: 000000320000008c >> Mar 30 18:51:43 alfa kernel: ---[ end trace e6c8391ea76602f4 ]--- >> Mar 30 18:51:43 alfa kernel: flush-8:16 used greatest stack depth: 2464 >> bytes left >> Mar 30 19:09:39 alfa syslogd 1.4.1: restart. >> > -- > 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/ -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. 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