Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751807AbXBRSU1 (ORCPT ); Sun, 18 Feb 2007 13:20:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751818AbXBRSU1 (ORCPT ); Sun, 18 Feb 2007 13:20:27 -0500 Received: from nf-out-0910.google.com ([64.233.182.190]:56257 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751807AbXBRSUS (ORCPT ); Sun, 18 Feb 2007 13:20:18 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:user-agent:mime-version:to:cc:subject:references:in-reply-to:x-enigmail-version:content-type:content-transfer-encoding:from; b=rpBdPuhMdIsf1IKm5YyL07Ly0hZQfFVyU7UHuwHAYLgEw3h9067bqhbRzedn2J30g13ZnQbR9CNAN0F7VBduvwowLSgSOcoD/gvUhCKcjFJoNo2gy2+IBKQ/nUYndoaBybNNnq9ZbW/TQ9a+BsdVbv9gQLPcsbc1HtS/Ewy8+aQ= Message-ID: <45D898E8.3040807@googlemail.com> Date: Sun, 18 Feb 2007 19:20:24 +0100 User-Agent: Thunderbird 1.5.0.9 (X11/20070212) MIME-Version: 1.0 To: Andrew Morton CC: linux-kernel@vger.kernel.org, Jens Axboe Subject: Re: 2.6.20-mm2 References: <20070217215146.30e7ffa3.akpm@linux-foundation.org> In-Reply-To: <20070217215146.30e7ffa3.akpm@linux-foundation.org> X-Enigmail-Version: 0.94.1.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Michal Piotrowski Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5249 Lines: 120 Andrew Morton napisał(a): > Temporarily at > > http://userweb.kernel.org/~akpm/2.6.20-mm2/ > Slab corruption + oops yablb (yet another block layer bug) Slab corruption: start=f3b8f654, len=176 Redzone: 0x5a2cf071/0x5a2cf071. Last user: [](mempool_free_slab+0xe/0x10) 060: 6b 6b 6b 6b 00 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b Prev obj: start=f3b8f598, len=176 Redzone: 0x5a2cf071/0x5a2cf071. Last user: [](mempool_free_slab+0xe/0x10) 000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b Next obj: start=f3b8f710, len=176 Redzone: 0x5a2cf071/0x5a2cf071. Last user: [](mempool_free_slab+0xe/0x10) 000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 0xc0160f39 is in mempool_free_slab (/mnt/md0/devel/linux-mm/mm/mempool.c:295). 290 291 void mempool_free_slab(void *element, void *pool_data) 292 { 293 struct kmem_cache *mem = pool_data; 294 kmem_cache_free(mem, element); 295 } 296 EXPORT_SYMBOL(mempool_free_slab); 297 298 /* 299 * A commonly used alloc and free fn that kmalloc/kfrees the amount of memory quilt patches mm/mempool.c patches/origin.patch It's time to test 2.6.20-git14 with LTP. BUG: unable to handle kernel paging request at virtual address 6b6b6b8f printing eip: c01f4618 *pde = 00000000 Oops: 0000 [#1] PREEMPT SMP last sysfs file: /devices/platform/i2c-9191/9191-0290/temp2_input Modules linked in: ipt_MASQUERADE iptable_nat nf_nat nfsd exportfs lockd nfs_acl autofs4 sunrpc af_packet nf_conntrack_netbios_ns ipt_REJECT nf_conntrack_ipv4 xt_state nf_conntrack nfnetlink xt_tcpudp iptable_filter ip_tables x_tables ipv6 binfmt_misc thermal processor fan container nvram evdev snd_intel8x0 snd_ac97_codec ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer intel_agp 8139too agpgart skge snd i2c_i801 mii soundcore sk98lin snd_page_alloc ide_cd cdrom rtc unix CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00010292 (2.6.20-mm2 #18) EIP is at ll_back_merge_fn+0x9d/0x1ba eax: 6b6b6b6b ebx: f5e6a2a8 ecx: 00001000 edx: 00000001 esi: f7cc1a14 edi: f5e6a2a8 ebp: ee7ebb34 esp: ee7ebb18 ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 Process doio (pid: 11602, ti=ee7ea000 task=f339a070 task.ti=ee7ea000) Stack: f306d394 00001000 f7cb2e54 ee7ebb34 f5e6a2a8 f306d394 f7cc1a14 ee7ebb5c c01f622f c020fad7 f5e6a2a8 f306d394 f306d394 ee7ebb5c f5e6a2a8 f7cc1a14 f306d394 ee7ebb94 c01f7a74 ee7ebb8c c013ea3c f339a5e8 00000002 f339a070 Call Trace: [] show_trace_log_lvl+0x1a/0x2f [] show_stack_log_lvl+0x9d/0xac [] show_registers+0x1ed/0x34c [] die+0x11d/0x234 [] do_page_fault+0x47c/0x55b [] error_code+0x7c/0x84 [] bio_attempt_back_merge+0x40/0xe3 [] __make_request+0xe1/0x32e [] generic_make_request+0x2e1/0x30f [] submit_bio+0x132/0x13a [] submit_bh+0xf6/0x113 [] __block_write_full_page+0x242/0x35c [] block_write_full_page+0xc9/0xd1 [] ext3_ordered_writepage+0x100/0x1b1 [] __writepage+0xb/0x25 [] write_cache_pages+0x19d/0x2b4 [] generic_writepages+0x22/0x2a [] do_writepages+0x36/0x48 [] __filemap_fdatawrite_range+0x5b/0x67 [] filemap_fdatawrite_range+0x22/0x29 [] sync_page_range+0x8c/0x107 [] generic_file_aio_write+0xbf/0xdb [] ext3_file_write+0x27/0x99 [] do_sync_write+0xd7/0x114 [] vfs_write+0xd1/0x15a [] sys_write+0x3d/0x72 [] syscall_call+0x7/0xb ======================= Code: ff 8b 45 e4 8b 50 0c 83 f2 08 c1 ea 03 83 e2 01 b8 20 e1 43 c0 e8 e5 bb 01 00 85 c0 74 0a 8b 55 e4 89 f0 e8 63 f4 ff ff 8b 47 38 <8b> 50 24 89 55 e8 8b 4d e4 8b 49 20 89 4d ec 0f b7 48 14 6b c9 EIP: [] ll_back_merge_fn+0x9d/0x1ba SS:ESP 0068:ee7ebb18 0xc01f4618 is in ll_back_merge_fn (/mnt/md0/devel/linux-mm/block/ll_rw_blk.c:1421). 1416 } 1417 if (unlikely(!bio_flagged(req->biotail, BIO_SEG_VALID))) 1418 blk_recount_segments(q, req->biotail); 1419 if (unlikely(!bio_flagged(bio, BIO_SEG_VALID))) 1420 blk_recount_segments(q, bio); 1421 len = req->biotail->bi_hw_back_size + bio->bi_hw_front_size; 1422 if (BIOVEC_VIRT_MERGEABLE(__BVEC_END(req->biotail), __BVEC_START(bio)) && 1423 !BIOVEC_VIRT_OVERSIZE(len)) { 1424 int mergeable = ll_new_mergeable(q, req, bio); 1425 http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.20-mm2/mm-config Regards, Michal -- Michal K. K. Piotrowski LTG - Linux Testers Group (PL) (http://www.stardust.webpages.pl/ltg/) LTG - Linux Testers Group (EN) (http://www.stardust.webpages.pl/linux_testers_group_en/) - 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/