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SubjectRe: another ext3 kernel BUG
Hi everyone,

here we go again.

On Di, 14 Jun 2011, Norbert Preining wrote:
> > we've been getting a lot of bug reports in Fedora that have the vbox module
> > loaded that manifest in various ways that look like it's corrupting kernel data
> > structures. (Usually it scribbles over some linked list, and the CONFIG_LIST_DEBUG
> > stuff catches it).
>
> Ahh, ok. I thought that if the modules are loaded but NOT in use,
> in the sense no vbox is running, then they cannot do much harm.
> At the end it was always on heavy IO load without any vbox interaction.
>
> But I will recompile with CONFIG_LIST_DEBUG and see what comes out.

CONFIG_LIST_DEBUG is compiled in.
vbox modules are *not* loaded
again BUG (there is a funny last line ...)
this is with rc3

Jun 15 10:12:16 mithrandir kernel: [24645.387482] ------------[ cut here ]------------
Jun 15 10:12:16 mithrandir kernel: [24645.387516] kernel BUG at fs/inode.c:1368!
Jun 15 10:12:16 mithrandir kernel: [24645.387539] invalid opcode: 0000 [#1] PREEMPT SMP
Jun 15 10:12:16 mithrandir kernel: [24645.387572] CPU 0
Jun 15 10:12:16 mithrandir kernel: [24645.387584] Modules linked in: rfcomm bnep snd_hrtimer binfmt_misc dm_crypt dm_mod isofs btrfs zlib_deflate crc32c libcrc32c vfat fat fuse loop uinput snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss hso arc4 snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss iwlagn btusb snd_seq_midi bluetooth snd_rawmidi mac80211 crc16 snd_seq_midi_event snd_seq snd_timer snd_seq_device snd cfg80211 soundcore firewire_ohci firewire_core snd_page_alloc sony_laptop tpm_infineon rfkill crc_itu_t joydev mxm_wmi
Jun 15 10:12:16 mithrandir kernel: [24645.387925]
Jun 15 10:12:16 mithrandir kernel: [24645.387936] Pid: 15175, comm: rm Not tainted 3.0.0-rc3+ #2 Sony Corporation VGN-Z11VN_B/VAIO
Jun 15 10:12:16 mithrandir kernel: [24645.387986] RIP: 0010:[<ffffffff810c43c5>] [<ffffffff810c43c5>] iput+0x1c/0x13b
Jun 15 10:12:16 mithrandir kernel: [24645.388029] RSP: 0018:ffff88013a5abe48 EFLAGS: 00010202
Jun 15 10:12:16 mithrandir kernel: [24645.388057] RAX: 0000000000000000 RBX: ffff88010946ca50 RCX: 0000000000000036
Jun 15 10:12:16 mithrandir kernel: [24645.388093] RDX: 00000001005cde00 RSI: ffffffff81108be8 RDI: ffff88010946ca50
Jun 15 10:12:16 mithrandir kernel: [24645.388129] RBP: ffff88013a5abe68 R08: 0000000000000000 R09: ffff88012b8bca20
Jun 15 10:12:16 mithrandir kernel: [24645.388169] R10: ffff88012b8bca20 R11: ffff88013a4d9600 R12: ffff8800969349c0
Jun 15 10:12:16 mithrandir kernel: [24645.388203] R13: ffff88010946ca50 R14: ffff88011787c5f0 R15: ffff88009f122c10
Jun 15 10:12:16 mithrandir kernel: [24645.388237] FS: 00007f5fc4b74700(0000) GS:ffff88013fc00000(0000) knlGS:0000000000000000
Jun 15 10:12:16 mithrandir kernel: [24645.388276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jun 15 10:12:16 mithrandir kernel: [24645.388304] CR2: 000000000065b018 CR3: 0000000101e6d000 CR4: 00000000000006f0
Jun 15 10:12:16 mithrandir kernel: [24645.388338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jun 15 10:12:16 mithrandir kernel: [24645.388373] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jun 15 10:12:16 mithrandir kernel: [24645.388407] Process rm (pid: 15175, threadinfo ffff88013a5aa000, task ffff880130d550e0)
Jun 15 10:12:16 mithrandir kernel: [24645.388444] Stack:
Jun 15 10:12:16 mithrandir kernel: [24645.388456] 0000000000000000 ffff88011787c540 ffff8800969349c0 ffff88010946ca50
Jun 15 10:12:16 mithrandir kernel: [24645.388501] ffff88013a5abe98 ffffffff810c17cc ffff88011787c540 ffff88011787c59c
Jun 15 10:12:16 mithrandir kernel: [24645.388545] ffff88010946ca50 ffff88011787c540 ffff88013a5abec8 ffffffff810c1ce1
Jun 15 10:12:16 mithrandir kernel: [24645.388589] Call Trace:
Jun 15 10:12:16 mithrandir kernel: [24645.388605] [<ffffffff810c17cc>] dentry_kill+0x115/0x137
Jun 15 10:12:16 mithrandir kernel: [24645.388632] [<ffffffff810c1ce1>] dput+0xbf/0xd0
Jun 15 10:12:16 mithrandir kernel: [24645.388658] [<ffffffff810b2b99>] fput+0x18d/0x1a5
Jun 15 10:12:16 mithrandir kernel: [24645.388683] [<ffffffff810afe04>] filp_close+0x69/0x75
Jun 15 10:12:16 mithrandir kernel: [24645.388710] [<ffffffff810afeb8>] sys_close+0xa8/0xea
Jun 15 10:12:16 mithrandir kernel: [24645.388737] [<ffffffff8139b53b>] system_call_fastpath+0x16/0x1b
Jun 15 10:12:16 mithrandir kernel: [24645.388767] Code: 1c 24 4c 39 e3 75 dc 58 5b 41 5c 41 5d 5d c3 55 48 85 ff 48 89 e5 41 55 41 54 53 48 89 fb 50 0f 84 1d 01 00 00 f6 47 28 40 74 02 <0f> 0b 48 8d 77 20 48 8d bf b0 00 00 00 e8 3d eb 08 00 85 c0 0f
Jun 15 10:12:16 mithrandir kernel: [24645.389011] RIP [<ffffffff810c43c5>] iput+0x1c/0x13b
Jun 15 10:12:16 mithrandir kernel: [24645.389040] RSP <ffff88013a5abe48>
Jun 15 10:12:16 mithrandir kernel: [24645.410091] ---[ end trace 9353fc80151a84f4 ]---
Jun 15 10:12:16 mithrandir kernel: [24645.537171] ------------[ cut here ]------------
Jun 15 10:12:16 mithrandir kernel: [24645.537204] kernel BUG at fs/inode.c:1368!
Jun 15 10:12:16 mithrandir kernel: [24645.537227] invalid opcode: 0000 [#2] PREEMPT SMP
Jun 15 10:12:16 mithrandir kernel: [24645.538996] CPU 1
Jun 15 10:12:16 mithrandir kernel: [24645.539008] Modules linked in: rfcomm bnep snd_hrtimer binfmt_misc dm_crypt dm_mod isofs btrfs zlib_deflate crc32c libcrc32c vfat fat fuse loop uinput snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss hso arc4 snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss iwlagn btusb snd_seq_midi bluetooth snd_rawmidi mac80211 crc16 snd_seq_midi_event snd_seq snd_timer snd_seq_device snd cfg80211 soundcore firewire_ohci firewire_core snd_page_alloc sony_laptop tpm_infineon rfkill crc_itu_t joydev mxm_wmi
Jun 15 10:12:16 mithrandir kernel: [24645.540007]
Jun 15 10:12:16 mithrandir kernel: [24645.546893] Pid: 15178, comm: rm Tainted: G D 3.0.0-rc3+ #2 Sony Corporation VGN-Z11VN_B/VAIO
Jun 15 10:12:16 mithrandir kernel: [24645.546893] RIP: 0010:[<ffffffff810c43c5>] [<ffffffff810c43c5>] iput+0x1c/0x13b
Jun 15 10:12:16 mithrandir kernel: [24645.546893] RSP: 0018:ffff880130d7de48 EFLAGS: 00010202
Jun 15 10:12:16 mithrandir kernel: [24645.546893] RAX: 0000000000000000 RBX: ffff880094c12430 RCX: 0000000000000034
Jun 15 10:12:16 mithrandir kernel: [24645.546893] RDX: 00000001005cde00 RSI: ffffffff81108be8 RDI: ffff880094c12430
Jun 15 10:12:16 mithrandir kernel: [24645.546893] RBP: ffff880130d7de68 R08: 0000000000000000 R09: ffff88012b8bca20
Jun 15 10:12:16 mithrandir kernel: [24645.546893] R10: ffff88012b8bca20 R11: ffff88013a4d9600 R12: ffff88012b901480
Jun 15 10:12:16 mithrandir kernel: [24645.546893] R13: ffff880094c12430 R14: ffff88012cf62470 R15: ffff880130029550
Jun 15 10:12:16 mithrandir kernel: [24645.546893] FS: 00007f26d09bb700(0000) GS:ffff88013fd00000(0000) knlGS:0000000000000000
Jun 15 10:12:16 mithrandir kernel: [24645.546893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jun 15 10:12:16 mithrandir kernel: [24645.546893] CR2: 0000000002112078 CR3: 000000009f3d6000 CR4: 00000000000006e0
Jun 15 10:12:16 mithrandir kernel: [24645.546893] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jun 15 10:12:16 mithrandir kernel: [24645.546893] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jun 15 10:12:16 mithrandir kernel: [24645.546893] Process rm (pid: 15178, threadinfo ffff880130d7c000, task ffff88009f24a140)
Jun 15 10:12:16 mithrandir kernel: [24645.546893] Stack:
Jun 15 10:12:16 mithrandir kernel: [24645.546893] 0000000000000000 ffff88012cf623c0 ffff88012b901480 ffff880094c12430
Jun 15 10:12:16 mithrandir kernel: [24645.546893] ffff880130d7de98 ffffffff810c17cc ffff88012cf623c0 ffff88012cf6241c
Jun 15 10:12:16 mithrandir kernel: [24645.546893] ffff880094c12430 ffff88012cf623c0 ffff880130d7dec8 ffffffff810c1ce1
Jun 15 10:12:16 mithrandir kernel: [24645.546893] Call Trace:
Jun 15 10:12:16 mithrandir kernel: [24645.546893] [<ffffffff810c17cc>] dentry_kill+0x115/0x137
Jun 15 10:12:16 mithrandir kernel: [24645.546893] [<ffffffff810c1ce1>] dput+0xbf/0xd0
Jun 15 10:12:16 mithrandir kernel: [24645.546893] [<ffffffff810b2b99>] fput+0x18d/0x1a5
Jun 15 10:12:16 mithrandir kernel: [24645.546893] [<ffffffff810afe04>] filp_close+0x69/0x75
Jun 15 10:12:16 mithrandir kernel: [24645.546893] [<ffffffff810afeb8>] sys_close+0xa8/0xea
Jun 15 10:12:16 mithrandir kernel: [24645.546893] [<ffffffff8139b53b>] system_call_fastpath+0x16/0x1b
Jun 15 10:12:16 mithrandir kernel: [24645.546893] Code: 1c 24 4c 39 e3 75 dc 58 5b 41 5c 41 5d 5d c3 55 48 85 ff 48 89 e5 41 55 41 54 53 48 89 fb 50 0f 84 1d 01 00 00 f6 47 28 40 74 02 <0f> 0b 48 8d 77 20 48 8d bf b0 00 00 00 e8 3d eb 08 00 85 c0 0f
Jun 15 10:12:16 mithrandir kernel: [24645.546893] RIP [<ffffffff810c43c5>] iput+0x1c/0x13b
Jun 15 10:12:16 mithrandir kernel: [24645.546893] RSP <ffff880130d7de48>
Jun 15 10:12:16 mithrandir kernel: [24645.600558] ---[ end trace 9353fc80151a84f5 ]---
Jun 15 10:12:41 mithrandir kernel: /0x2a
Best wishes

Norbert
------------------------------------------------------------------------
Norbert Preining preining@{jaist.ac.jp, logic.at, debian.org}
JAIST, Japan TeX Live & Debian Developer
DSA: 0x09C5B094 fp: 14DF 2E6C 0307 BE6D AD76 A9C0 D2BF 4AA3 09C5 B094
------------------------------------------------------------------------
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