Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760905AbYFDPsp (ORCPT ); Wed, 4 Jun 2008 11:48:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757093AbYFDPsi (ORCPT ); Wed, 4 Jun 2008 11:48:38 -0400 Received: from mx1.redhat.com ([66.187.233.31]:47509 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756572AbYFDPsg (ORCPT ); Wed, 4 Jun 2008 11:48:36 -0400 Date: Wed, 4 Jun 2008 11:41:37 -0400 From: Dave Jones To: Neil Brown Cc: Linux Kernel Subject: 2.6.25 md oops during boot. Message-ID: <20080604154137.GA26157@redhat.com> Mail-Followup-To: Dave Jones , Neil Brown , Linux Kernel MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3031 Lines: 72 Hi Neil, Here's an odd one. https://bugzilla.redhat.com/show_bug.cgi?id=442204 Slightly old (.25-rc8-git7), but I don't recall anything changing between then and .25 final that could explain this. Dave BUG: unable to handle kernel NULL pointer dereference at 00000020 IP: [] sysfs_addrm_start+0x21/0x7d Oops: 0000 [#1] SMP Modules linked in: e1000(+) i2c_piix4 i2c_core sg ac button sr_mod cdrom ata_piix libata dm_snapshot dm_zero dm_mirror dm_mod mptspi mptscsih mptbase scsi_transport_spi sd_mod scsi_mod ext3 jbd mbcache uhci_hcd ohci_hcd ehci_hcd [last unloaded: scsi_wait_scan] Pid: 742, comm: mdadm Not tainted (2.6.25-0.218.rc8.git7.fc9.i686 #1) EIP: 0060:[] EFLAGS: 00010246 CPU: 0 EIP is at sysfs_addrm_start+0x21/0x7d EAX: c04bbc23 EBX: 00000000 ECX: 00000000 EDX: 00000062 ESI: f6ecdc84 EDI: f6ecdc94 EBP: f6ecdc78 ESP: f6ecdc6c DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process mdadm (pid: 742, ti=f6ecd000 task=f6e22e80 task.ti=f6ecd000) Stack: f6ecdc84 f6e75bd0 fffffff4 f6ecdca0 c04bbfb7 00000000 00000000 00000000 00000000 00000000 f7853dc4 fffffffe f7af6824 f6ecdcb4 c04bc01c f6ecdcac c04f08f2 f7853dc4 f6ecdcd0 c04f09ec f7af6824 f6ecdcd0 00000000 f7853dc4 Call Trace: [] ? create_dir+0x3a/0x72 [] ? sysfs_create_dir+0x2d/0x41 [] ? kobject_get+0x12/0x17 [] ? kobject_add_internal+0xa4/0x145 [] ? kobject_add_varg+0x35/0x41 [] ? kobject_add+0x43/0x49 [] ? bind_rdev_to_array+0x124/0x1ab [] ? task_has_capability+0x47/0x76 [] ? copy_from_user+0x39/0x121 [] ? md_ioctl+0xf75/0x183b [] ? inode_has_perm+0x5b/0x65 [] ? d_free+0x3b/0x4d [] ? dput+0x34/0xee [] ? _atomic_dec_and_lock+0x29/0x44 [] ? mntput_no_expire+0x16/0x69 [] ? path_put+0x20/0x23 [] ? __link_path_walk+0xce7/0xcfc [] ? blkdev_driver_ioctl+0x49/0x5b [] ? blkdev_ioctl+0x781/0x79d [] ? selinux_file_free_security+0x14/0x16 [] ? inode_has_perm+0x5b/0x65 [] ? file_has_perm+0x7c/0x85 [] ? block_ioctl+0x16/0x1b [] ? block_ioctl+0x0/0x1b [] ? vfs_ioctl+0x22/0x69 [] ? do_vfs_ioctl+0x239/0x24c [] ? selinux_file_ioctl+0xa8/0xab [] ? sys_ioctl+0x40/0x5b [] ? syscall_call+0x7/0xb ======================= Code: 89 31 8d 65 f4 5b 5e 5f 5d c3 55 b9 04 00 00 00 89 e5 57 89 c7 56 89 c6 53 31 c0 89 d3 f3 ab b8 34 fc 71 c0 89 16 e8 1f e2 16 00 <8b> 53 20 b9 f0 b7 4b c0 a1 88 f4 83 c0 53 e8 43 71 fd ff 5f 85 EIP: [] sysfs_addrm_start+0x21/0x7d SS:ESP 0068:f6ecdc6c ---[ end trace ca143223eefdc828 ]--- -- http://www.codemonkey.org.uk -- 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/