From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Sandeen Subject: Re: possible bug ? Date: Wed, 19 Sep 2012 10:13:46 -0500 Message-ID: <5059E12A.9000306@redhat.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: linux-ext4@vger.kernel.org To: Adrian Sandu Return-path: Received: from mx1.redhat.com ([209.132.183.28]:59260 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754020Ab2ISPNt (ORCPT ); Wed, 19 Sep 2012 11:13:49 -0400 In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-ID: On 9/19/12 9:44 AM, Adrian Sandu wrote: > Hi people, > > While trying to delete a couple of files today, I got into this lil' > thingy. It first happened in mc, then at a reboot. Did you cut off a few lines before this? Like one that said NULL pointer dereference, or BUG() at .... or something similar? I think we have a few reports of this in the fedora bugzilla, I don't think we've gotten to the bottom of it yet. -Eric > [ 48.770178] IP: [] ext4_ext_remove_space+0x9f4/0xe00 > [ 48.770178] PGD 11d365067 PUD 11d1e8067 PMD 0 > [ 48.770178] Oops: 0000 [#1] SMP > [ 48.770178] CPU 3 > [ 48.770178] Modules linked in: ir_lirc_codec lirc_dev > ir_mce_kbd_decoder ir_sanyo_decoder ir_sony_decoder nvidia(PO) > ir_jvc_decoder ir_rc6_decoder rt2800usb rt2800lib crc_ccitt rt2x00usb > rt2x00lib ir_rc5_decoder snd_usb_audio ir_nec_decoder option > rc_rc6_mce nuvoton_cir rc_core snd_hwdep snd_usbmidi_lib snd_rawmidi > usb_wwan r8712u(C) usbserial > [ 48.770178] > [ 48.770178] Pid: 1465, comm: mount Tainted: P C O > 3.4.9-gentoo #1 To Be Filled By O.E.M. To Be Filled By O.E.M./ION3D-HT > [ 48.922060] RIP: 0010:[] [] > ext4_ext_remove_space+0x9f4/0xe00 > [ 48.922060] RSP: 0018:ffff88011a5b19d8 EFLAGS: 00010246 > [ 48.922060] RAX: 0000000000000000 RBX: ffff88011d9c01b0 RCX: 0000000000000002 > [ 48.922060] RDX: 0000000000000001 RSI: 0000000000000001 RDI: 000000000e590f51 > [ 48.922060] RBP: ffff88011a5b1ae8 R08: 000000001d1bf000 R09: ffff88011d9c0180 > [ 48.922060] R10: ffffffff811d5ddc R11: 0000000000000001 R12: 0000000000000000 > [ 48.922060] R13: ffff88011bab9550 R14: 0000000000000000 R15: 0000000000000001 > [ 48.922060] FS: 00007f0a3714d740(0000) GS:ffff880123d80000(0000) > knlGS:0000000000000000 > [ 48.922060] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 48.922060] CR2: 0000000000000028 CR3: 000000011b704000 CR4: 00000000000007e0 > [ 48.922060] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 48.922060] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 48.922060] Process mount (pid: 1465, threadinfo ffff88011a5b0000, > task ffff88011b417000) > [ 48.922060] Stack: > [ 48.922060] 0000000000001111 ffff88011bab9550 ffff88011bab94a0 > ffff88011a5b1a98 > [ 48.922060] ffff88011ae16e00 ffff880116f37a28 ffffffff1a5b1a68 > ffff88011a4b8000 > [ 48.922060] 000000011ec37000 0000000000000000 ffff88011bab94a0 > ffff88011daf3c00 > [ 48.922060] Call Trace: > [ 48.922060] [] ext4_ext_truncate+0x1b3/0x1f0 > [ 48.922060] [] ? ext4_journal_start_sb+0x7c/0x1b0 > [ 48.922060] [] ext4_truncate+0xb8/0xf0 > [ 48.922060] [] ext4_evict_inode+0x3a0/0x4a0 > [ 48.922060] [] evict+0xa7/0x1b0 > [ 48.922060] [] iput+0x10b/0x210 > [ 48.922060] [] ext4_fill_super+0x28f7/0x2a40 > [ 48.922060] [] ? register_shrinker+0x4e/0x60 > [ 48.922060] [] mount_bdev+0x1a2/0x1e0 > [ 48.922060] [] ? ext4_calculate_overhead+0x3c0/0x3c0 > [ 48.922060] [] ? __kmalloc_track_caller+0x54/0x160 > [ 48.922060] [] ext4_mount+0x10/0x20 > [ 48.922060] [] mount_fs+0x43/0x1c0 > [ 48.922060] [] ? __alloc_percpu+0xb/0x10 > [ 48.922060] [] vfs_kern_mount+0x6a/0x100 > [ 48.922060] [] do_kern_mount+0x50/0x100 > [ 48.922060] [] do_mount+0x520/0x7f0 > [ 48.922060] [] ? memdup_user+0x47/0x90 > [ 48.922060] [] ? strndup_user+0x53/0x70 > [ 48.922060] [] sys_mount+0x90/0xe0 > [ 48.922060] [] system_call_fastpath+0x16/0x1b > [ 48.922060] Code: 8d 04 40 48 8d 04 81 48 89 43 18 0f b7 49 02 48 > 83 c1 01 48 85 c0 48 89 0b 0f 85 c8 f8 ff ff 0f 0b 66 0f 1f 44 00 00 > 48 8b 43 28 <48> 8b 40 28 48 89 43 20 e9 91 f8 ff ff 0f 1f 80 00 00 00 > 00 44 > [ 48.922060] RIP [] ext4_ext_remove_space+0x9f4/0xe00 > [ 48.922060] RSP > [ 48.922060] CR2: 0000000000000028 > [ 48.922862] ---[ end trace d17fa9fb727ed36f ]--- > > Any ideas ? I'm updating to 3.5.4 ( latest in gentoo's ~amd64 ) > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >