Wondering what to do about this error which says 'reboot needed'. Has
happened a three times in the past week:
Jan 23 14:16:17 my_machine kernel: [ 2568.595648] BTRFS error (device
sda1): err add delayed dir index item(index: 23810) into the deletion
tree of the delayed node(root id: 257, inode id: 2661433, errno: -17)
Jan 23 14:16:17 my_machine kernel: [ 2568.611010] ------------[ cut here
]------------
Jan 23 14:16:17 my_machine kernel: [ 2568.615628] kernel BUG at
fs/btrfs/delayed-inode.c:1557!
Jan 23 14:16:17 my_machine kernel: [ 2568.620942] invalid opcode: 0000
[#1] SMP
Jan 23 14:16:17 my_machine kernel: [ 2568.624960] Modules linked in: ufs
qnx4 hfsplus hfs minix ntfs msdos jfs xfs ipt_REJECT nf_rej
ect_ipv4 xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack
nf_conntrack iptable_filter ip_tables x_tables ipmi_devintf nfsd au
th_rpcgss nfs_acl nfs lockd grace sunrpc fscache intel_rapl sb_edac
edac_core x86_pkg_temp_thermal intel_powerclamp coretemp kvm_int
el kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper crypt
d dm_multipath joydev mei_me mei lpc_ich ioatdma wmi ipmi_si
ipmi_msghandler btrfs shpchp mac_hid lp parport ses enclosure scsi_tran
sport_sas raid10 raid456 async_raid6_recov async_memcpy async_pq
async_xor async_tx xor raid6_pq libcrc32c igb hid_generic i2c_algo_
bit raid1 dca usbhid ahci raid0 ptp megaraid_sas multipath
Jan 23 14:16:17 my_machine kernel: [ 2568.697150] hid libahci pps_core
linear dm_mirror dm_region_hash dm_log
Jan 23 14:16:17 my_machine kernel: [ 2568.702689] CPU: 0 PID: 2440 Comm:
nfsd Tainted: G W 4.9.5-custom #1
Jan 23 14:16:17 my_machine kernel: [ 2568.710166] Hardware name:
Supermicro X9DRH-7TF/7F/iTF/iF/X9DRH-7TF/7F/iTF/iF, BIOS 3.0b 04/28
/2014
Jan 23 14:16:17 my_machine kernel: [ 2568.719207] task: ffff95a42addab80
task.stack: ffffb9da85330000
Jan 23 14:16:17 my_machine kernel: [ 2568.725124] RIP:
0010:[<ffffffffc0567ee6>] [<ffffffffc0567ee6>]
btrfs_delete_delayed_dir_inde
x+0x286/0x290 [btrfs]
Jan 23 14:16:17 my_machine kernel: [ 2568.735604] RSP:
0018:ffffb9da85333be0 EFLAGS: 00010286
Jan 23 14:16:17 my_machine kernel: [ 2568.740917] RAX: 0000000000000000
RBX: ffff95a3b104b690 RCX: 0000000000000000
Jan 23 14:16:17 my_machine kernel: [ 2568.748048] RDX: 0000000000000001
RSI: ffff95a42fc0dcc8 RDI: ffff95a42fc0dcc8
Jan 23 14:16:17 my_machine kernel: [ 2568.755171] RBP: ffffb9da85333c48
R08: 0000000000000491 R09: 0000000000000000
Jan 23 14:16:17 my_machine kernel: [ 2568.762297] R10: 0000000000000005
R11: 0000000000000006 R12: ffff95a3b104b6d8
Jan 23 14:16:17 my_machine kernel: [ 2568.769429] R13: 0000000000005d02
R14: ffff95a82953d800 R15: 00000000ffffffef
Jan 23 14:16:17 my_machine kernel: [ 2568.776555] FS:
0000000000000000(0000) GS:ffff95a42fc00000(0000) knlGS:0000000000000000
Jan 23 14:16:17 my_machine kernel: [ 2568.784639] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033
Jan 23 14:16:17 my_machine kernel: [ 2568.790377] CR2: 00007f12ea376000
CR3: 00000003e1e07000 CR4: 00000000001406f0
Jan 23 14:16:17 my_machine kernel: [ 2568.797503] Stack:
Jan 23 14:16:17 my_machine kernel: [ 2568.799524] ffffffff9b7fe5f2
ffff95a3b104b560 0000000000040000 ffff95a3f96b3e80
Jan 23 14:16:17 my_machine kernel: [ 2568.806983] ffff95a3f96b3e80
39ff95a814eeeb68 600000000000289c 0000000000005d02
Jan 23 14:16:17 my_machine kernel: [ 2568.814436] ffff95a3f7457c40
ffff95a3bcb74138 ffff95a814eeeb68 0000000000289c39
Jan 23 14:16:17 my_machine kernel: [ 2568.821891] Call Trace:
Jan 23 14:16:17 my_machine kernel: [ 2568.824343] [<ffffffff9b7fe5f2>]
? mutex_lock+0x12/0x2f
Jan 23 14:16:17 my_machine kernel: [ 2568.829671] [<ffffffffc0513488>]
__btrfs_unlink_inode+0x198/0x4c0 [btrfs]
Jan 23 14:16:17 my_machine kernel: [ 2568.836555] [<ffffffffc0516dec>]
btrfs_unlink_inode+0x1c/0x40 [btrfs]
Jan 23 14:16:17 my_machine kernel: [ 2568.843086] [<ffffffffc0516e7b>]
btrfs_unlink+0x6b/0xb0 [btrfs]
Jan 23 14:16:17 my_machine kernel: [ 2568.849091] [<ffffffff9b21ea9a>]
vfs_unlink+0xda/0x190
Jan 23 14:16:17 my_machine kernel: [ 2568.854315] [<ffffffff9b21ac83>]
? lookup_one_len+0xd3/0x130
Jan 23 14:16:17 my_machine kernel: [ 2568.860075] [<ffffffffc09160ae>]
nfsd_unlink+0x16e/0x210 [nfsd]
Jan 23 14:16:17 my_machine kernel: [ 2568.866084] [<ffffffffc091d63c>]
nfsd3_proc_remove+0x7c/0x110 [nfsd]
Jan 23 14:16:17 my_machine kernel: [ 2568.872529] [<ffffffffc09102a8>]
nfsd_dispatch+0xb8/0x1f0 [nfsd]
Jan 23 14:16:17 my_machine kernel: [ 2568.878641] [<ffffffffc064e68f>]
svc_process_common+0x43f/0x700 [sunrpc]
Jan 23 14:16:17 my_machine kernel: [ 2568.885432] [<ffffffffc064f80c>]
svc_process+0xfc/0x1c0 [sunrpc]
Jan 23 14:16:17 my_machine kernel: [ 2568.891528] [<ffffffffc090fd00>]
nfsd+0xf0/0x160 [nfsd]
Jan 23 14:16:17 my_machine kernel: [ 2568.896838] [<ffffffffc090fc10>]
? nfsd_destroy+0x60/0x60 [nfsd]
Jan 23 14:16:17 my_machine kernel: [ 2568.902931] [<ffffffff9b09cd4a>]
kthread+0xca/0xe0
Jan 23 14:16:17 my_machine kernel: [ 2568.907807] [<ffffffff9b09cc80>]
? kthread_park+0x60/0x60
Jan 23 14:16:17 my_machine kernel: [ 2568.913296] [<ffffffff9b801075>]
ret_from_fork+0x25/0x30
Jan 23 14:16:17 my_machine kernel: [ 2568.918693] Code: ff ff 48 8b 43
10 49 8b be f0 01 00 00 45 89 f9 4c 8b 03 4c 89 ea 48 c7 c6 f
0 8f 59 c0 48 8b 88 48 03 00 00 31 c0 e8 ba 36 f7 ff <0f> 0b 0f 1f 84 00
00 00 00 00 0f 1f 44 00 00 55 48 89 e5 53 48
Jan 23 14:16:17 my_machine kernel: [ 2568.938651] RIP
[<ffffffffc0567ee6>] btrfs_delete_delayed_dir_index+0x286/0x290 [btrfs]
Jan 23 14:16:17 my_machine kernel: [ 2568.946773] RSP <ffffb9da85333be0>
Jan 23 14:16:17 my_machine kernel: [ 2568.996481] ---[ end trace
e8c95b69e4ef5f70 ]---
Jan 23 14:16:19 my_machine kernel: [ 2570.503671] BUG: unable to handle
kernel NULL pointer dereference at 0000000000000246
Jan 23 14:16:19 my_machine kernel: [ 2570.511551] IP:
[<ffffffff9b0c0ecb>] __wake_up_common+0x2b/0x90
Jan 23 14:16:19 my_machine kernel: [ 2570.517498] PGD 46a002067
Jan 23 14:16:19 my_machine kernel: [ 2570.520036] PUD 45af9c067
Jan 23 14:16:19 my_machine kernel: [ 2570.522748] PMD 0
Jan 23 14:16:19 my_machine kernel: [ 2570.523284]
Jan 23 14:23:50 riperton kernel: [ 3021.853513] [<ffffffff9b18407f>]
queued_spin_lock_slowpath+0xb/0xf
Jan 23 14:23:50 riperton kernel: [ 3021.859776] [<ffffffff9b800b80>]
_raw_spin_lock+0x20/0x30
Jan 23 14:23:50 riperton kernel: [ 3021.865261] [<ffffffff9b27c0bd>]
pid_revalidate+0x4d/0xf0
Jan 23 14:23:50 riperton kernel: [ 3021.870747] [<ffffffff9b21a74b>]
lookup_fast+0x29b/0x2c0
Jan 23 14:23:50 riperton kernel: [ 3021.876147] [<ffffffff9b21d7c2>]
path_openat+0x172/0x1370
Jan 23 14:16:19 my_machine kernel: [ 2570.524789] Oops: 0000 [#2] SMP
Jan 23 14:16:19 my_machine kernel: [ 2570.527932] Modules linked in: ufs
qnx4 hfsplus hfs minix ntfs msdos jfs xfs ipt_REJECT nf_reject_ipv4
xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack
iptable_filter ip_tables x_tables ipmi_devintf nfsd auth_rpcgss nfs_acl
nfs lockd grace sunrpc fscache intel_rapl sb_edac edac_core
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64
lrw gf128mul glue_helper ablk_helper cryptd dm_multipath joydev mei_me
mei lpc_ich ioatdma wmi ipmi_si ipmi_msghandler btrfs shpchp mac_hid lp
parport ses enclosure scsi_transport_sas raid10 raid456
async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq
libcrc32c igb hid_generic i2c_algo_bit raid1 dca usbhid ahci raid0 ptp
megaraid_sas multipath
Jan 23 14:16:19 my_machine kernel: [ 2570.600135] hid libahci pps_core
linear dm_mirror dm_region_hash dm_log
Jan 23 14:16:19 my_machine kernel: [ 2570.605651] CPU: 2 PID: 2440 Comm:
nfsd Tainted: G D W 4.9.5-custom #1
Jan 23 14:16:19 my_machine kernel: [ 2570.613128] Hardware name:
Supermicro X9DRH-7TF/7F/iTF/iF/X9DRH-7TF/7F/iTF/iF, BIOS 3.0b 04/28/2014
Jan 23 14:16:19 my_machine kernel: [ 2570.622168] task: ffff95a42addab80
task.stack: ffffb9da85330000
Jan 23 14:16:19 my_machine kernel: [ 2570.628085] RIP:
0010:[<ffffffff9b0c0ecb>] [<ffffffff9b0c0ecb>] __wake_up_common+0x2b/0x90
Jan 23 14:16:19 my_machine kernel: [ 2570.636451] RSP:
0018:ffffb9da85333e58 EFLAGS: 00010082
Jan 23 14:16:19 my_machine kernel: [ 2570.641762] RAX: 0000000000000282
RBX: ffffb9da85333f18 RCX: 0000000000000000
Jan 23 14:16:19 my_machine kernel: [ 2570.648897] RDX: 0000000000000246
RSI: 0000000000000003 RDI: ffffb9da85333f18
Jan 23 14:16:19 my_machine kernel: [ 2570.656028] RBP: ffffb9da85333e90
R08: 0000000000000000 R09: ffff95a429c7ba00
Jan 23 14:16:19 my_machine kernel: [ 2570.663162] R10: 000002567df4f057
R11: 0000000000000001 R12: ffffb9da85333f20
Jan 23 14:16:19 my_machine kernel: [ 2570.670295] R13: 0000000000000282
R14: 0000000000000000 R15: 0000000000000003
Jan 23 14:16:19 my_machine kernel: [ 2570.677427] FS:
0000000000000000(0000) GS:ffff95a42fd00000(0000) knlGS:0000000000000000
Jan 23 14:16:19 my_machine kernel: [ 2570.685513] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033
Jan 23 14:16:19 my_machine kernel: [ 2570.691261] CR2: 0000000000000246
CR3: 000000045a400000 CR4: 00000000001406e0
Jan 23 14:16:19 my_machine kernel: [ 2570.698393] Stack:
Jan 23 14:16:19 my_machine kernel: [ 2570.700411] 0000000100000246
0000000000000000 ffffb9da85333f18 ffffb9da85333f10
Jan 23 14:16:19 my_machine kernel: [ 2570.707865] 0000000000000282
ffff95a42addab80 0000000000000000 ffffb9da85333ea0
Jan 23 14:16:19 my_machine kernel: [ 2570.715326] ffffffff9b0c0f43
ffffb9da85333ec8 ffffffff9b0c1967 ffff95a42addb2a8
Jan 23 14:16:19 my_machine kernel: [ 2570.722797] Call Trace:
Jan 23 14:16:19 my_machine kernel: [ 2570.725267] [<ffffffff9b0c0f43>]
__wake_up_locked+0x13/0x20
Jan 23 14:16:19 my_machine kernel: [ 2570.730923] [<ffffffff9b0c1967>]
complete+0x37/0x50
Jan 23 14:16:19 my_machine kernel: [ 2570.735892] [<ffffffff9b07a74f>]
mm_release+0xbf/0x140
Jan 23 14:16:19 my_machine kernel: [ 2570.741113] [<ffffffff9b08168a>]
do_exit+0x13a/0xad0
Jan 23 14:16:19 my_machine kernel: [ 2570.746169] [<ffffffff9b802627>]
rewind_stack_do_exit+0x17/0x20
Jan 23 14:16:19 my_machine kernel: [ 2570.752170] Code: 0f 1f 44 00 00
55 48 89 e5 41 57 41 89 f7 41 56 41 89 ce 41 55 41 54 4c 8d 67 08 53 48
83 ec 10 89 55 cc 48 8b 57 08 4c 89 45 d0 <48> 8b 0a 49 39 d4 48 8d 42
e8 4c 8d 69 e8 75 08 eb 38 4c 89 e8
Jan 23 14:16:19 my_machine kernel: [ 2570.772172] RIP
[<ffffffff9b0c0ecb>] __wake_up_common+0x2b/0x90
Jan 23 14:16:19 my_machine kernel: [ 2570.778196] RSP <ffffb9da85333e58>
Jan 23 14:16:19 my_machine kernel: [ 2570.781680] CR2: 0000000000000246
Jan 23 14:16:19 my_machine kernel: [ 2570.784993] ---[ end trace
e8c95b69e4ef5f71 ]---
Jan 23 14:16:19 my_machine kernel: [ 2570.794692] Fixing recursive fault
but reboot is needed!
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