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From: Dmitry Monakhov <dmonakhov@openvz.org>
To: Eric Sandeen <sandeen@redhat.com>, Adrian Sandu <dexter@d3xt3r01.tk>
Cc: linux-ext4@vger.kernel.org
Subject: Re: possible bug ?
Date: Wed, 19 Sep 2012 20:09:10 +0400	[thread overview]
Message-ID: <87a9wmdmft.fsf@openvz.org> (raw)
In-Reply-To: <5059E12A.9000306@redhat.com>

On Wed, 19 Sep 2012 10:13:46 -0500, Eric Sandeen <sandeen@redhat.com> wrote:
> 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.
https://bugzilla.kernel.org/show_bug.cgi?id=47611
Patch available, linus already pull it
> 
> -Eric
> 
> > [   48.770178] IP: [<ffffffff811d6424>] 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:[<ffffffff811d6424>]  [<ffffffff811d6424>]
> > 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]  [<ffffffff811d8953>] ext4_ext_truncate+0x1b3/0x1f0
> > [   48.922060]  [<ffffffff811cb1ec>] ? ext4_journal_start_sb+0x7c/0x1b0
> > [   48.922060]  [<ffffffff811ac878>] ext4_truncate+0xb8/0xf0
> > [   48.922060]  [<ffffffff811b13f0>] ext4_evict_inode+0x3a0/0x4a0
> > [   48.922060]  [<ffffffff8112f3d7>] evict+0xa7/0x1b0
> > [   48.922060]  [<ffffffff8112f5eb>] iput+0x10b/0x210
> > [   48.922060]  [<ffffffff811cf367>] ext4_fill_super+0x28f7/0x2a40
> > [   48.922060]  [<ffffffff810dcabe>] ? register_shrinker+0x4e/0x60
> > [   48.922060]  [<ffffffff811192f2>] mount_bdev+0x1a2/0x1e0
> > [   48.922060]  [<ffffffff811cca70>] ? ext4_calculate_overhead+0x3c0/0x3c0
> > [   48.922060]  [<ffffffff81112424>] ? __kmalloc_track_caller+0x54/0x160
> > [   48.922060]  [<ffffffff811c3cd0>] ext4_mount+0x10/0x20
> > [   48.922060]  [<ffffffff8111a073>] mount_fs+0x43/0x1c0
> > [   48.922060]  [<ffffffff810ebe2b>] ? __alloc_percpu+0xb/0x10
> > [   48.922060]  [<ffffffff81132baa>] vfs_kern_mount+0x6a/0x100
> > [   48.922060]  [<ffffffff81133400>] do_kern_mount+0x50/0x100
> > [   48.922060]  [<ffffffff81135020>] do_mount+0x520/0x7f0
> > [   48.922060]  [<ffffffff810e6e77>] ? memdup_user+0x47/0x90
> > [   48.922060]  [<ffffffff810e6f13>] ? strndup_user+0x53/0x70
> > [   48.922060]  [<ffffffff81135420>] sys_mount+0x90/0xe0
> > [   48.922060]  [<ffffffff815e43a2>] 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  [<ffffffff811d6424>] ext4_ext_remove_space+0x9f4/0xe00
> > [   48.922060]  RSP <ffff88011a5b19d8>
> > [   48.922060] CR2: 0000000000000028
> > [   48.922862] ---[ end trace d17fa9fb727ed36f ]---
> > 
> > Any ideas ? I'm updating to 3.5.4 ( latest in gentoo's ~amd64  )
> > --
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> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> > 
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
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  reply	other threads:[~2012-09-19 16:09 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-19 14:44 possible bug ? Adrian Sandu
2012-09-19 15:13 ` Eric Sandeen
2012-09-19 16:09   ` Dmitry Monakhov [this message]
2012-09-19 16:26   ` Theodore Ts'o
2012-09-19 16:30     ` Eric Sandeen
2012-09-19 16:35       ` Eric Sandeen
2012-09-19 16:50         ` Theodore Ts'o

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