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Message-ID: <20161205154307.dmw6rwuwzdk5sihy@pd.tnic>
Date: Mon, 5 Dec 2016 16:43:07 +0100
From: Borislav Petkov <bp@...en8.de>
To: Gerard Saraber <gsaraber@...coa.com>
Cc: linux-kernel@...r.kernel.org, linux-btrfs@...r.kernel.org
Subject: Re: BTRFS kernel OOPS 4.8.11
+ linux-btrfs
On Mon, Dec 05, 2016 at 09:30:52AM -0600, Gerard Saraber wrote:
> I have a NAS with a mix of 6, 4 and 3 TB drives:
>
> shrapnel zm # btrfs filesystem df /home/exports
> Data, RAID1: total=19.59TiB, used=19.51TiB
> System, RAID1: total=32.00MiB, used=2.75MiB
> Metadata, RAID1: total=76.00GiB, used=74.71GiB
> GlobalReserve, single: total=512.00MiB, used=0.00B
> shrapnel zm # btrfs filesystem usage /home/exports
> Overall:
> Device size: 63.68TiB
> Device allocated: 39.34TiB
> Device unallocated: 24.34TiB
> Device missing: 0.00B
> Used: 39.17TiB
> Free (estimated): 12.25TiB (min: 12.25TiB)
> Data ratio: 2.00
> Metadata ratio: 2.00
> Global reserve: 512.00MiB (used: 0.00B)
>
> Data,RAID1: Size:19.59TiB, Used:19.51TiB
> /dev/sda 3.99TiB
> /dev/sdb 2.21TiB
> /dev/sdc 2.21TiB
> /dev/sdd 4.00TiB
> /dev/sde 2.21TiB
> /dev/sdf 3.99TiB
> /dev/sdg 1.30TiB
> /dev/sdh 4.00TiB
> /dev/sdj 1.30TiB
> /dev/sdk 1.30TiB
> /dev/sdl 1.30TiB
> /dev/sdm 2.21TiB
> /dev/sdo 2.18TiB
> /dev/sdp 2.21TiB
> /dev/sdq 2.21TiB
> /dev/sds 1.30TiB
> /dev/sdt 1.30TiB
>
> Metadata,RAID1: Size:76.00GiB, Used:74.71GiB
> /dev/sda 35.00GiB
> /dev/sdb 1.00GiB
> /dev/sdc 3.00GiB
> /dev/sdd 32.00GiB
> /dev/sde 3.00GiB
> /dev/sdf 35.00GiB
> /dev/sdh 29.00GiB
> /dev/sdj 2.00GiB
> /dev/sdk 1.00GiB
> /dev/sdl 1.00GiB
> /dev/sdm 2.00GiB
> /dev/sdo 4.00GiB
> /dev/sds 3.00GiB
> /dev/sdt 1.00GiB
>
> System,RAID1: Size:32.00MiB, Used:2.75MiB
> /dev/sdd 32.00MiB
> /dev/sdf 32.00MiB
>
> Unallocated:
> /dev/sda 1.43TiB
> /dev/sdb 1.43TiB
> /dev/sdc 1.43TiB
> /dev/sdd 1.43TiB
> /dev/sde 1.43TiB
> /dev/sdf 1.43TiB
> /dev/sdg 1.43TiB
> /dev/sdh 1.43TiB
> /dev/sdj 1.43TiB
> /dev/sdk 1.43TiB
> /dev/sdl 1.43TiB
> /dev/sdm 1.43TiB
> /dev/sdo 1.46TiB
> /dev/sdp 1.43TiB
> /dev/sdq 1.43TiB
> /dev/sds 1.43TiB
> /dev/sdt 1.43TiB
>
> One of them keeps throwing errors, during this command, the oops happened:
> # btrfs device delete /dev/sdt /home/exports
>
>
> Dec 05 08:33:30 [kernel] [259785.367744] BTRFS info (device sdt): csum
> failed ino 122743909 extent 1473222864896 csum 879250177 wanted 3941849660
> mirror 0
> Dec 05 08:33:30 [kernel] [259785.387033] ------------[ cut here
> ]------------
> Dec 05 08:33:30 [kernel] [259785.387049] kernel BUG at
> fs/btrfs/extent_io.c:2041!
> Dec 05 08:33:30 [kernel] [259785.387062] invalid opcode: 0000 [#1] SMP
> Dec 05 08:33:30 [kernel] [259785.387072] Modules linked in: btrfs
> zlib_deflate megaraid_sas
> Dec 05 08:33:30 [kernel] [259785.387096] CPU: 2 PID: 14355 Comm:
> kworker/u8:11 Tainted: G W 4.8.11 #1
> Dec 05 08:33:30 [kernel] [259785.387112] Hardware name: Supermicro
> X7DB8/X7DB8, BIOS 6.00 06/23/2006
> Dec 05 08:33:30 [kernel] [259785.387161] Workqueue: btrfs-endio
> btrfs_endio_helper [btrfs]
> Dec 05 08:33:30 [kernel] [259785.387177] task: ffff88081b8e8b00 task.stack:
> ffff88046b490000
> Dec 05 08:33:30 [kernel] [259785.387189] RIP: 0010:[<ffffffffa0084f21>]
> [<ffffffffa0084f21>] repair_io_failure+0x221/0x250 [btrfs]
> Dec 05 08:33:30 [kernel] [259785.387223] RSP: 0018:ffff88046b493c30
> EFLAGS: 00010202
> Dec 05 08:33:30 [kernel] [259785.387235] RAX: 0000000000000000 RBX:
> 000000006b4e0140 RCX: 0000000000000000
> Dec 05 08:33:30 [kernel] [259785.387250] RDX: 0000000000000000 RSI:
> 0000000000000000 RDI: ffff88071dddc840
> Dec 05 08:33:30 [kernel] [259785.387264] RBP: ffff88046b493c90 R08:
> 0000015701409000 R09: ffff88071dddc840
> Dec 05 08:33:30 [kernel] [259785.387280] R10: 0000000001ac0000 R11:
> 000000006b4e37c0 R12: ffff88046b4e30a8
> Dec 05 08:33:30 [kernel] [259785.387295] R13: 0000000000000000 R14:
> 00001df9496b9000 R15: ffff8801471b6000
> Dec 05 08:33:30 [kernel] [259785.387560] FS: 0000000000000000(0000)
> GS:ffff88083fd00000(0000) knlGS:0000000000000000
> Dec 05 08:33:30 [kernel] [259785.387825] CS: 0010 DS: 0000 ES: 0000 CR0:
> 0000000080050033
> Dec 05 08:33:30 [kernel] [259785.387962] CR2: 000000000226f000 CR3:
> 0000000255358000 CR4: 00000000000006e0
> Dec 05 08:33:30 [kernel] [259785.388002] Stack:
> Dec 05 08:33:30 [kernel] [259785.388002] 000000000283e000 ffff880703f4a370
> 0000000000001000 ffffea001d05ff40
> Dec 05 08:33:30 [kernel] [259785.388002] 0000000000001000 0000000000007000
> ffff88071dddc840 ffff880703f4a180
> Dec 05 08:33:30 [kernel] [259785.388002] 000000000283e000 ffff8801471b6000
> ffff880703f4a370 ffff880703f4a1e8
> Dec 05 08:33:30 [kernel] [259785.388002] Call Trace:
> Dec 05 08:33:30 [kernel] [259785.388002] [<ffffffffa0085166>]
> clean_io_failure+0x136/0x150 [btrfs]
> Dec 05 08:33:30 [kernel] [259785.388002] [<ffffffffa00858ee>]
> end_bio_extent_readpage+0x2be/0x510 [btrfs]
> Dec 05 08:33:30 [kernel] [259785.388002] [<ffffffff813d9611>]
> bio_endio+0x51/0x60
> Dec 05 08:33:30 [kernel] [259785.388002] [<ffffffffa005ab27>]
> end_workqueue_fn+0x37/0x40 [btrfs]
> Dec 05 08:33:30 [kernel] [259785.388002] [<ffffffffa0096c22>]
> btrfs_scrubparity_helper+0xc2/0x300 [btrfs]
> Dec 05 08:33:30 [kernel] [259785.388002] [<ffffffffa0096f49>]
> btrfs_endio_helper+0x9/0x10 [btrfs]
> Dec 05 08:33:30 [kernel] [259785.388002] [<ffffffff810d78b6>]
> process_one_work+0x146/0x4a0
> Dec 05 08:33:30 [kernel] [259785.388002] [<ffffffff810d7c53>]
> worker_thread+0x43/0x4d0
> Dec 05 08:33:30 [kernel] [259785.388002] [<ffffffff81a96af7>] ?
> __schedule+0x247/0x670
> Dec 05 08:33:30 [kernel] [259785.388002] [<ffffffff810d7c10>] ?
> process_one_work+0x4a0/0x4a0
> - Last output repeated twice -
> Dec 05 08:33:30 [kernel] [259785.388002] [<ffffffff810dd164>]
> kthread+0xc4/0xe0
> Dec 05 08:33:30 [kernel] [259785.388002] [<ffffffff81a9ad3f>]
> ret_from_fork+0x1f/0x40
> Dec 05 08:33:30 [kernel] [259785.388002] [<ffffffff810dd0a0>] ?
> __kthread_parkme+0x70/0x70
> Dec 05 08:33:30 [kernel] [259785.388002] Code: 41 bd fb ff ff ff e9 6b fe
> ff ff be 01 00 00 00 4c 89 ff 41 bd fb ff ff ff e8 bc 4f 05 00 4c 89 e7 e8
> 74 46 35 e1 e9 4b fe ff ff <0f> 0b be 01 00 00 00 4c 89 ff 41 bd fb ff ff
> ff e8 9a 4f 05 00
>
--
Regards/Gruss,
Boris.
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