Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 15 Feb 2003 08:24:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 15 Feb 2003 08:24:29 -0500 Received: from employees.nextframe.net ([213.160.234.200]:32765 "EHLO sexything.nextframe.net") by vger.kernel.org with ESMTP id ; Sat, 15 Feb 2003 08:24:27 -0500 Date: Sat, 15 Feb 2003 14:35:48 +0100 From: Morten Helgesen To: linux-kernel@vger.kernel.org Subject: [2.4.20 Oops] Message-ID: <20030215143548.A11310@sexything> Reply-To: morten.helgesen@nextframe.net Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.22.1i X-Editor: VIM - Vi IMproved 6.0 X-Keyboard: PFU Happy Hacking Keyboard X-Operating-System: Slackware Linux (of course) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2466 Lines: 74 Hey guys, keep getting this on an sql-server running 2.4.20. It happens during backup of mysql databases. Easily reproducible. After the oops, processes trying to access /backup end up in 'D' state. Btw, filesystem is reiserfs. Anyone got a clue ? <1>Unable to handle kernel NULL pointer dereference at virtual address 00000018 printing eip: c01322a0 *pde = 00000000 Oops: 0000 CPU: 0 EIP: 0010:[try_to_free_buffers+20/228] Not tainted EFLAGS: 00010207 eax: 00000000 ebx: c10ee294 ecx: 000001d2 edx: 00000000 esi: 00000000 edi: d3bd8e00 ebp: c10ee294 esp: ce061e24 ds: 0018 es: 0018 ss: 0018 Process cp (pid: 23696, stackpage=ce061000) Stack: c10ee294 000001d2 00000017 00000200 c013087c d3bd8e00 c10ee294 c01286d2 c10ee294 000001d2 00000020 000001d2 00000020 00000006 00000006 ce060000 00003e19 000001d2 c0295c74 c0128930 00000006 00000004 00000006 00000020 Call Trace: [try_to_release_page+68/72] [shrink_cache+490/764] [shrink_caches+88/128] [try_to_free_pages_zone+58/92] [balance_classzone+80/456] [__alloc_pages+274/352] [reiserfs_get_block+0/3648] [_alloc_pages+22/24] [page_cache_read+110/188] [generic_file_readahead+261/316] [do_generic_file_read+422/1028] [generic_file_read+124/272] [file_read_actor+0/140] [sys_read+150/240] [system_call+51/56] Code: 8b 56 18 8b 46 10 83 e2 06 09 d0 75 76 8b 76 28 39 fe 75 ec [14:31][admin@sql:~]$ uname -a Linux sql 2.4.20 #2 Thu Jan 23 00:43:06 CET 2003 i686 unknown [14:31][admin@sql:~]$ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 7 model name : Pentium III (Katmai) stepping : 3 cpu MHz : 601.374 cache size : 512 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr sse bogomips : 1199.30 == Morten -- "Livet er ikke for nybegynnere" - sitat fra en klok person. mvh Morten Helgesen UNIX System Administrator & C Developer Nextframe AS admin@nextframe.net / 93445641 http://www.nextframe.net - 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/