From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752780Ab0CBAPx (ORCPT ); Mon, 1 Mar 2010 19:15:53 -0500 Received: from mail-ew0-f220.google.com ([209.85.219.220]:65283 "EHLO mail-ew0-f220.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751557Ab0CBAPv (ORCPT ); Mon, 1 Mar 2010 19:15:51 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:mime-version:content-type :content-transfer-encoding:message-id; b=p//TpjsnVtVkGa/RZFeB3HUbtlqAOk1jf+yAoaFgztGO4tIPEcQ6fWcZibTWpNX8bB eHVZDI2HPBv9muRKCM8TF4N6d+Ww/Xy/UaDlCdVjuoVm1GToqADG/DPn04wUffMDnhcd 6sBD2GA53kV/WrXR7xyo8/2vAq7QlfsKfJJ84= From: Dmitry Torokhov To: "linux-kernel" , Jens Axboe Subject: Oops while booting 2.6.34-rc0 (block pull busted) Date: Mon, 1 Mar 2010 16:15:30 -0800 User-Agent: KMail/1.13.0 (Linux/2.6.33-rc8; KDE/4.4.0; x86_64; ; ) MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <201003011615.31709.dmitry.torokhov@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, It looks like block tree that has been pulled today into mainline is busted, I am getting the Opps below on boot with the following commit: commit b1bf9368407ae7e89d8a005bb40beb70a41df539 Merge: 524df55 4671a13 Author: Linus Torvalds Date: Mon Mar 1 09:00:29 2010 -0800 Merge branch 'for-2.6.34' of git://git.kernel.dk/linux-2.6-block but not with the previous one: commit 524df55725217b13d5a232fb5badb5846418ea0e Merge: 0f45339 6679ee1 Author: Linus Torvalds Date: Mon Mar 1 08:58:44 2010 -0800 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 This is on plain Fedora 12 VM. Thanks. -- Dmitry sd 2:0:0:0: Attached scsi generic sg1 type 0 sd 2:0:0:0: [sda] 16777216 512-byte logical blocks: (8.58 GB/8.00 GiB) sd 2:0:0:0: [sda] Write Protect is off sd 2:0:0:0: [sda] Cache data unavailable sd 2:0:0:0: [sda] Assuming drive cache: write through sd 2:0:0:0: [sda] Cache data unavailable sd 2:0:0:0: [sda] Assuming drive cache: write through sda: sda1 sda2 sd 2:0:0:0: [sda] Cache data unavailable sd 2:0:0:0: [sda] Assuming drive cache: write through sd 2:0:0:0: [sda] Attached SCSI disk device-mapper: multipath: version 1.1.1 loaded dracut: Scanning devices sda2 for LVM volume groups dracut: Reading all physical volumes. This may take a while... dracut: Found volume group "VolGroup" using metadata type lvm2 dracut: 2 logical volume(s) in volume group "VolGroup" now active EXT4-fs (dm-0): mounted filesystem with ordered data mode BUG: unable to handle kernel NULL pointer dereference at (null) IP: [] mpage_end_io_read+0x45/0x6f PGD 3b776067 PUD 3b7b1067 PMD 0 Oops: 0002 [#1] SMP last sysfs file: /sys/kernel/uevent_seqnum CPU 0 Modules linked in: dm_multipath mptspi mptscsih mptbase scsi_transport_spi floppy [last unloaded: scsi_wait_scan] Pid: 1, comm: init Not tainted 2.6.33 #4 440BX Desktop Reference Platform/VMware Virtual Platform RIP: 0010:[] [] mpage_end_io_read+0x45/0x6f RSP: 0018:ffff88003ea957b8 EFLAGS: 00010202 RAX: ffffffff81128e9c RBX: ffff880037740dd0 RCX: 0000000000000000 RDX: ffff880037f9c088 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88003ea957d8 R08: 0000000000000000 R09: ffff880037e93c08 R10: 0000000000000001 R11: 0000000000000001 R12: ffff880037740d80 R13: 0000000000000001 R14: 0000000000000000 R15: ffff880037740d80 FS: 00007f7cde1ec700(0000) GS:ffff880001e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000003b79e000 CR4: 00000000000006f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process init (pid: 1, threadinfo ffff88003ea94000, task ffff88003ea98000) Stack: ffff88003ea957e8 ffff880037fe9208 ffff880037f9c000 0000000000000000 <0> ffff88003ea957e8 ffffffff811246cd ffff88003ea95838 ffffffff81352f8c <0> ffff88003ea95828 ffff88003b7072f8 ffff88003ea95838 ffff880037f9c000 Call Trace: [] bio_endio+0x2b/0x2d [] dec_pending+0x13d/0x15c [] __split_and_process_bio+0x510/0x52b [] dm_request+0x1cd/0x1e0 [] generic_make_request+0x23b/0x2b0 [] ? linear_merge+0x0/0x5d [] ? dm_merge_bvec+0xcb/0xec [] submit_bio+0xd2/0xef [] mpage_bio_submit+0x27/0x2b [] do_mpage_readpage+0x3e0/0x483 [] ? ____pagevec_lru_add+0x138/0x14f [] mpage_readpages+0xc5/0x104 [] ? ext4_get_block+0x0/0xe9 [] ? ext4_get_block+0x0/0xe9 [] ext4_readpages+0x1d/0x1f [] __do_page_cache_readahead+0x103/0x176 [] ? apic_timer_interrupt+0xe/0x20 [] ra_submit+0x21/0x25 [] ondemand_readahead+0x18e/0x1a1 [] page_cache_sync_readahead+0x1c/0x1e [] generic_file_aio_read+0x201/0x504 [] do_sync_read+0xc4/0x101 [] ? might_fault+0x21/0x23 [] ? selinux_file_permission+0x5c/0xb3 [] ? security_file_permission+0x16/0x18 [] vfs_read+0xab/0x108 [] sys_read+0x4a/0x6e [] system_call_fastpath+0x16/0x1b Code: 49 89 fc 41 83 e5 01 48 ff cb 48 c1 e3 04 48 03 5f 48 48 8b 3b 48 83 eb 10 49 3b 5c 24 48 72 06 48 8b 03 0f 0d 08 45 85 ed 74 06 <3e> 80 0f 08 eb 08 3e 80 27 f7 3e 80 0f RIP [] mpage_end_io_read+0x45/0x6f RSP CR2: 0000000000000000 ---[ end trace ffacf7730488df2f ]--- Kernel panic - not syncing: Attempted to kill init! Pid: 1, comm: init Tainted: G D 2.6.33 #4 Call Trace: [] panic+0x7a/0x13d [] ? exit_ptrace+0x38/0x121 [] do_exit+0x7a/0x6f3 [] ? spin_unlock_irqrestore+0xe/0x10 [] ? kmsg_dump+0x12b/0x145 [] oops_end+0xbf/0xc7 [] no_context+0x1fc/0x20b [] ? nommu_map_sg+0xd1/0xe5 [] __bad_area_nosemaphore+0x184/0x1a7 [] ? apic_timer_interrupt+0xe/0x20 [] __bad_area+0x48/0x4f [] ? do_page_fault+0x1bd/0x2a0 [] bad_area+0x13/0x15 [] do_page_fault+0x1cb/0x2a0 [] page_fault+0x25/0x30 [] ? mpage_end_io_read+0x0/0x6f [] ? mpage_end_io_read+0x45/0x6f [] bio_endio+0x2b/0x2d [] dec_pending+0x13d/0x15c [] __split_and_process_bio+0x510/0x52b [] dm_request+0x1cd/0x1e0 [] generic_make_request+0x23b/0x2b0 [] ? linear_merge+0x0/0x5d [] ? dm_merge_bvec+0xcb/0xec [] submit_bio+0xd2/0xef [] mpage_bio_submit+0x27/0x2b [] do_mpage_readpage+0x3e0/0x483 [] ? ____pagevec_lru_add+0x138/0x14f [] mpage_readpages+0xc5/0x104 [] ? ext4_get_block+0x0/0xe9 [] ? ext4_get_block+0x0/0xe9 [] ext4_readpages+0x1d/0x1f [] __do_page_cache_readahead+0x103/0x176 [] ? apic_timer_interrupt+0xe/0x20 [] ra_submit+0x21/0x25 [] ondemand_readahead+0x18e/0x1a1 [] page_cache_sync_readahead+0x1c/0x1e [] generic_file_aio_read+0x201/0x504 [] do_sync_read+0xc4/0x101 [] ? might_fault+0x21/0x23 [] ? selinux_file_permission+0x5c/0xb3 [] ? security_file_permission+0x16/0x18 [] vfs_read+0xab/0x108 [] sys_read+0x4a/0x6e [] system_call_fastpath+0x16/0x1b