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Solved
kernel bug ReadyNASOS 6.10.1 screen massage __extent_writepsge_io+1d3
Hi,
My Readynas hit kernel bug, it running latests code 6.10.1.
Dmesg output after it happened. I needed to power cycle to get it rebooted.
[1108355.142034] ------------[ cut here ]------------ [1108355.146933] kernel BUG at fs/btrfs/extent_io.c:3400! [1108355.152192] invalid opcode: 0000 [#1] SMP [1108355.301048] Modules linked in: vpd(PO) [1108355.305129] CPU: 0 PID: 4578 Comm: nfsd Tainted: P O 4.4.178.x86_64.1 #1 [1108355.313300] Hardware name: NETGEAR ReadyNAS 314/To be filled by O.E.M., BIOS 4.6.5 11/05/2013 [1108355.322211] task: ffff8800c3362a00 ti: ffff8800c34d8000 task.ti: ffff8800c34d8000 [1108355.330033] RIP: 0010:[<ffffffff882b5f5a>] [<ffffffff882b5f5a>] __extent_writepage_io+0x1d3/0x398 [1108355.339383] RSP: 0018:ffff8800c34db8d8 EFLAGS: 00010206 [1108355.344991] RAX: ffff880108549870 RBX: ffffea0000d2ba80 RCX: 0000007d07005000 [1108355.352456] RDX: 0000007d07005000 RSI: 0000007d06ffd000 RDI: 0000000000000000 [1108355.359908] RBP: ffff8800c34db978 R08: 0000000000001000 R09: 0000000000000001 [1108355.367396] R10: ffffea0000f0bd40 R11: ffff8800ad6b5488 R12: 0000007d07014000 [1108355.374860] R13: ffff8800c34dbb58 R14: 0000000000000000 R15: 0000000000001000 [1108355.382324] FS: 0000000000000000(0000) GS:ffff88011fc00000(0000) knlGS:0000000000000000 [1108355.390783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [1108355.396857] CR2: 00007f2ad2a30000 CR3: 00000000c72e9000 CR4: 00000000000006f0 [1108355.404345] Stack: [1108355.406591] ffff8800c6f31ab0 ffff8800c6f31900 000000fa00000000 0000000000001000 [1108355.414442] 0000007d06ffd000 0000000000000000 ffff8800c34dbaf8 ffff8800c6f31ab0 [1108355.422276] ffff8800c6f31900 0000000000000000 ffff8800c34db988 0000007d07014fff [1108355.430093] Call Trace: [1108355.432782] [<ffffffff882b7579>] __extent_writepage+0x176/0x1db [1108355.439119] [<ffffffff882b7885>] extent_write_cache_pages.isra.10.constprop.26+0x2a7/0x374 [1108355.447881] [<ffffffff8807d2ff>] ? ttwu_do_activate.constprop.23+0x57/0x5c [1108355.455197] [<ffffffff882b7d3f>] extent_writepages+0x47/0x58 [1108355.461274] [<ffffffff8829bfab>] ? uncompress_inline+0x148/0x148 [1108355.467720] [<ffffffff8829bc08>] btrfs_writepages+0x23/0x25 [1108355.473764] [<ffffffff880e68b3>] do_writepages+0x1e/0x28 [1108355.479483] [<ffffffff880de30e>] __filemap_fdatawrite_range+0xb2/0xca [1108355.486349] [<ffffffff880de3a3>] filemap_fdatawrite_range+0xe/0x10 [1108355.492969] [<ffffffff882ae6bb>] btrfs_fdatawrite_range+0x1b/0x41 [1108355.499477] [<ffffffff882ae71c>] start_ordered_ops+0x3b/0x5a [1108355.505561] [<ffffffff882ae794>] btrfs_sync_file+0x59/0x2da [1108355.511550] [<ffffffff883168b3>] ? security_file_open+0x79/0x80 [1108355.517877] [<ffffffff881416d2>] vfs_fsync_range+0x86/0x95 [1108355.523780] [<ffffffff881fb87e>] nfsd_vfs_write+0x219/0x265 [1108355.529758] [<ffffffff881fd531>] nfsd_write+0xa6/0xc6 [1108355.535202] [<ffffffff88202552>] nfsd3_proc_write+0x90/0xab [1108355.541175] [<ffffffff881f7ec3>] nfsd_dispatch+0xcd/0x189 [1108355.546991] [<ffffffff888c825b>] svc_process+0x582/0x6b6 [1108355.552711] [<ffffffff881f7924>] ? nfsd_destroy+0x57/0x57 [1108355.558516] [<ffffffff881f7a19>] nfsd+0xf5/0x147 [1108355.563527] [<ffffffff88078c4a>] kthread+0xdc/0xe4 [1108355.568693] [<ffffffff88078b6e>] ? kthread_worker_fn+0x129/0x129 [1108355.575098] [<ffffffff888e476f>] ret_from_fork+0x3f/0x80 [1108355.580807] [<ffffffff88078b6e>] ? kthread_worker_fn+0x129/0x129 [1108355.587229] Code: 48 3d 01 f0 ff ff 44 0f 43 d0 45 89 d6 e9 c3 01 00 00 48 8b 70 18 48 89 f1 48 03 48 20 48 89 75 80 48 89 ca 72 07 49 39 cc 72 06 <0f> 0b 48 83 ca ff 4c 29 e2 48 8b b5 78 ff ff ff 48 8b 78 70 4c [1108355.608271] RIP [<ffffffff882b5f5a>] __extent_writepage_io+0x1d3/0x398 [1108355.615266] RSP <ffff8800c34db8d8> [1108355.619704] ---[ end trace 6b6431a8ef19cb1c ]---
Shrinking this one down ...
jukkaforss wrote:
sdb part 1
root@readynas:~# smartctl -x /dev/sdb ID# ATTRIBUTE_NAME FLAGS VALUE WORST THRESH FAIL RAW_VALUE 1 Raw_Read_Error_Rate POSR-K 200 200 051 - 159 9 Power_On_Hours -O--CK 028 028 000 - 52621 Error 9 [8] occurred at disk power-on lifetime: 50321 hours (2096 days + 17 hours) Error: UNC at LBA = 0x12fdf7710 = 5098141456 Error 8 [7] occurred at disk power-on lifetime: 50321 hours (2096 days + 17 hours) Error: WP at LBA = 0x12fdf7710 = 5098141456 Error 7 [6] occurred at disk power-on lifetime: 41988 hours (1749 days + 12 hours) Error: UNC at LBA = 0xcf083840 = 3473422400 Error 6 [5] occurred at disk power-on lifetime: 41988 hours (1749 days + 12 hours) Error: WP at LBA = 0xcf083840 = 3473422400 Error 5 [4] occurred at disk power-on lifetime: 38618 hours (1609 days + 2 hours) Error: UNC at LBA = 0xe824a0c0 = 3894714560 Error 4 [3] occurred at disk power-on lifetime: 38618 hours (1609 days + 2 hours) Error: WP at LBA = 0xe824a0b8 = 3894714552 Error 3 [2] occurred at disk power-on lifetime: 38618 hours (1609 days + 2 hours) Error: UNC at LBA = 0xe824a0b8 = 3894714552 Error 2 [1] occurred at disk power-on lifetime: 38615 hours (1608 days + 23 hours) Error: WP at LBA = 0x11616d4b8 = 4665562296
I saw a similar pattern on one of my WD60EFRX drives a while ago, and when I tested it with Lifeguard it failed. Though a second disk with the same pattern passed Lifeguard. So I recommend testing this disk (and perhaps replace it even if it does pass).
The most recent logged error was about 2000 hours ago (~ 3 months), so that particular error didn't cause the most recent crash. But I'm thinking that this disk likely triggered it anyway.
FWIW, I haven't seen any explanation of how to decode the raw read error rate. But it is quite a bit higher on this drive than your other ones.
9 Replies
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I'd look in kernel.log and system.log for disk errors and btrfs errors.
Kernel log has same messages, but I couldn't found anything from disk_info and btrfs logs.
No ATA errors or any other problems with disks.
If ssh is enabled then smartctl -x might also give a clue.
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