messages

Apr 01 14:26:47 rockbox kernel: INFO: task btrfs-transacti:4157 blocked for more than 120 seconds.
Apr 01 14:26:47 rockbox kernel:       Not tainted 4.12.4-1.el7.elrepo.x86_64 #1
Apr 01 14:26:47 rockbox kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 01 14:26:47 rockbox kernel: btrfs-transacti D    0  4157      2 0x00000080
Apr 01 14:26:47 rockbox kernel: Call Trace:
Apr 01 14:26:47 rockbox kernel:  __schedule+0x28a/0x880
Apr 01 14:26:47 rockbox kernel:  schedule+0x36/0x80
Apr 01 14:26:47 rockbox kernel:  schedule_preempt_disabled+0xe/0x10
Apr 01 14:26:47 rockbox kernel:  __mutex_lock.isra.8+0x266/0x500
Apr 01 14:26:47 rockbox kernel:  ? block_rsv_release_bytes+0xef/0x280 [btrfs]
Apr 01 14:26:47 rockbox kernel:  __mutex_lock_slowpath+0x13/0x20
Apr 01 14:26:47 rockbox kernel:  mutex_lock+0x2f/0x40
Apr 01 14:26:47 rockbox kernel:  btrfs_insert_delayed_items+0x54/0x480 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? mutex_lock+0x12/0x40
Apr 01 14:26:47 rockbox kernel:  ? refcount_dec_and_test+0x11/0x20
Apr 01 14:26:47 rockbox kernel:  ? __btrfs_release_delayed_node+0x85/0x2e0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  __btrfs_run_delayed_items+0x9d/0x220 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_run_delayed_items+0x13/0x20 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_commit_transaction+0x277/0x900 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? start_transaction+0xa7/0x440 [btrfs]
Apr 01 14:26:47 rockbox kernel:  transaction_kthread+0x18a/0x1c0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  kthread+0x109/0x140
Apr 01 14:26:47 rockbox kernel:  ? btrfs_cleanup_transaction+0x520/0x520 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? kthread_park+0x60/0x60
Apr 01 14:26:47 rockbox kernel:  ret_from_fork+0x25/0x30
Apr 01 14:26:47 rockbox kernel: INFO: task dockerd:5871 blocked for more than 120 seconds.
Apr 01 14:26:47 rockbox kernel:       Not tainted 4.12.4-1.el7.elrepo.x86_64 #1
Apr 01 14:26:47 rockbox kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 01 14:26:47 rockbox kernel: dockerd         D    0  5871   4849 0x00000080
Apr 01 14:26:47 rockbox kernel: Call Trace:
Apr 01 14:26:47 rockbox kernel:  __schedule+0x28a/0x880
Apr 01 14:26:47 rockbox kernel:  schedule+0x36/0x80
Apr 01 14:26:47 rockbox kernel:  btrfs_tree_read_lock+0xbe/0x120 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? remove_wait_queue+0x60/0x60
Apr 01 14:26:47 rockbox kernel:  btrfs_search_slot+0x6ed/0x9b0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? __schedule+0x292/0x880
Apr 01 14:26:47 rockbox kernel:  btrfs_lookup_inode+0x3e/0xc0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_iget+0x10f/0x6d0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_lookup_dentry+0x3a4/0x4e0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_lookup+0x12/0x40 [btrfs]
Apr 01 14:26:47 rockbox kernel:  lookup_slow+0xa2/0x160
Apr 01 14:26:47 rockbox kernel:  walk_component+0x160/0x250
Apr 01 14:26:47 rockbox kernel:  path_lookupat+0x79/0x210
Apr 01 14:26:47 rockbox kernel:  ? check_preempt_curr+0x7d/0x90
Apr 01 14:26:47 rockbox kernel:  filename_lookup+0xaf/0x190
Apr 01 14:26:47 rockbox kernel:  ? __check_object_size+0x159/0x190
Apr 01 14:26:47 rockbox kernel:  ? strncpy_from_user+0x43/0x160
Apr 01 14:26:47 rockbox kernel:  ? getname_flags+0x6f/0x1f0
Apr 01 14:26:47 rockbox kernel:  user_path_at_empty+0x36/0x40
Apr 01 14:26:47 rockbox kernel:  vfs_statx+0x77/0xe0
Apr 01 14:26:47 rockbox kernel:  SYSC_newlstat+0x3d/0x70
Apr 01 14:26:47 rockbox kernel:  ? getnstimeofday64+0xe/0x20
Apr 01 14:26:47 rockbox kernel:  ? __audit_syscall_entry+0xb3/0xf0
Apr 01 14:26:47 rockbox kernel:  ? syscall_trace_enter+0x1d0/0x2b0
Apr 01 14:26:47 rockbox kernel:  ? __audit_syscall_exit+0x209/0x290
Apr 01 14:26:47 rockbox kernel:  SyS_newlstat+0xe/0x10
Apr 01 14:26:47 rockbox kernel:  do_syscall_64+0x67/0x150
Apr 01 14:26:47 rockbox kernel:  entry_SYSCALL64_slow_path+0x25/0x25
Apr 01 14:26:47 rockbox kernel: RIP: 0033:0x68cea4
Apr 01 14:26:47 rockbox kernel: RSP: 002b:000000c421811c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000006
Apr 01 14:26:47 rockbox kernel: RAX: ffffffffffffffda RBX: 000000c42001400c RCX: 000000000068cea4
Apr 01 14:26:47 rockbox kernel: RDX: 0000000000000000 RSI: 000000c420f21148 RDI: 000000c42142f580
Apr 01 14:26:47 rockbox kernel: RBP: 000000c421811d10 R08: 0000000000000000 R09: 0000000000000000
Apr 01 14:26:47 rockbox kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000080
Apr 01 14:26:47 rockbox kernel: R13: 0000000000001580 R14: 000000000000002c R15: 0000000000000001
Apr 01 14:26:47 rockbox kernel: INFO: task Threadpool work:5986 blocked for more than 120 seconds.
Apr 01 14:26:47 rockbox kernel:       Not tainted 4.12.4-1.el7.elrepo.x86_64 #1
Apr 01 14:26:47 rockbox kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 01 14:26:47 rockbox kernel: Threadpool work D    0  5986   7586 0x00000180
Apr 01 14:26:47 rockbox kernel: Call Trace:
Apr 01 14:26:47 rockbox kernel:  __schedule+0x28a/0x880
Apr 01 14:26:47 rockbox kernel:  schedule+0x36/0x80
Apr 01 14:26:47 rockbox kernel:  wait_current_trans+0xc7/0x100 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? remove_wait_queue+0x60/0x60
Apr 01 14:26:47 rockbox kernel:  start_transaction+0x28a/0x440 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_start_transaction+0x1e/0x20 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_sync_file+0x24c/0x3e0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? __getnstimeofday64+0x3b/0xd0
Apr 01 14:26:47 rockbox kernel:  vfs_fsync_range+0x3d/0xb0
Apr 01 14:26:47 rockbox kernel:  do_fsync+0x3d/0x70
Apr 01 14:26:47 rockbox kernel:  SyS_fdatasync+0x13/0x20
Apr 01 14:26:47 rockbox kernel:  do_syscall_64+0x67/0x150
Apr 01 14:26:47 rockbox kernel:  entry_SYSCALL64_slow_path+0x25/0x25
Apr 01 14:26:47 rockbox kernel: RIP: 0033:0x7fda6881c7dd
Apr 01 14:26:47 rockbox kernel: RSP: 002b:00007fda5e7fc6d0 EFLAGS: 00000293 ORIG_RAX: 000000000000004b
Apr 01 14:26:47 rockbox kernel: RAX: ffffffffffffffda RBX: 00007fda481a0688 RCX: 00007fda6881c7dd
Apr 01 14:26:47 rockbox kernel: RDX: 0000000000000400 RSI: 0000000000000002 RDI: 0000000000000008
Apr 01 14:26:47 rockbox kernel: RBP: 00007fda481276f8 R08: 00007fda481a06a8 R09: 0000000044e45fb9
Apr 01 14:26:47 rockbox kernel: R10: 00000000adda78ec R11: 0000000000000293 R12: 00000000000072c0
Apr 01 14:26:47 rockbox kernel: R13: 0000000000000000 R14: 0000000000000000 R15: 00007fda3ca98760
Apr 01 14:26:47 rockbox kernel: INFO: task Threadpool work:47836 blocked for more than 120 seconds.
Apr 01 14:26:47 rockbox kernel:       Not tainted 4.12.4-1.el7.elrepo.x86_64 #1
Apr 01 14:26:47 rockbox kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 01 14:26:47 rockbox kernel: Threadpool work D    0 47836   7616 0x00000180
Apr 01 14:26:47 rockbox kernel: Call Trace:
Apr 01 14:26:47 rockbox kernel:  __schedule+0x28a/0x880
Apr 01 14:26:47 rockbox kernel:  schedule+0x36/0x80
Apr 01 14:26:47 rockbox kernel:  wait_current_trans+0xc7/0x100 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? remove_wait_queue+0x60/0x60
Apr 01 14:26:47 rockbox kernel:  start_transaction+0x28a/0x440 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_start_transaction+0x1e/0x20 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_sync_file+0x24c/0x3e0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? __getnstimeofday64+0x3b/0xd0
Apr 01 14:26:47 rockbox kernel:  vfs_fsync_range+0x3d/0xb0
Apr 01 14:26:47 rockbox kernel:  do_fsync+0x3d/0x70
Apr 01 14:26:47 rockbox kernel:  SyS_fdatasync+0x13/0x20
Apr 01 14:26:47 rockbox kernel:  do_syscall_64+0x67/0x150
Apr 01 14:26:47 rockbox kernel:  entry_SYSCALL64_slow_path+0x25/0x25
Apr 01 14:26:47 rockbox kernel: RIP: 0033:0x7fbb1b5397dd
Apr 01 14:26:47 rockbox kernel: RSP: 002b:00007fbb1138c8a0 EFLAGS: 00000293 ORIG_RAX: 000000000000004b
Apr 01 14:26:47 rockbox kernel: RAX: ffffffffffffffda RBX: 00007fbb0038a878 RCX: 00007fbb1b5397dd
Apr 01 14:26:47 rockbox kernel: RDX: 0000000000000400 RSI: 0000000000000002 RDI: 0000000000000004
Apr 01 14:26:47 rockbox kernel: RBP: 00007fbb00367438 R08: 00007fbb0038a898 R09: 00000000cc5134f1
Apr 01 14:26:47 rockbox kernel: R10: 00000000856f1d84 R11: 0000000000000293 R12: 00000000000cd350
Apr 01 14:26:47 rockbox kernel: R13: 0000000000000000 R14: 0000000000000000 R15: 00007fbb003c6470
Apr 01 14:26:47 rockbox kernel: INFO: task kworker/u128:3:34386 blocked for more than 120 seconds.
Apr 01 14:26:47 rockbox kernel:       Not tainted 4.12.4-1.el7.elrepo.x86_64 #1
Apr 01 14:26:47 rockbox kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 01 14:26:47 rockbox kernel: kworker/u128:3  D    0 34386      2 0x00000080
Apr 01 14:26:47 rockbox kernel: Workqueue: btrfs-delayed-meta btrfs_delayed_meta_helper [btrfs]
Apr 01 14:26:47 rockbox kernel: Call Trace:
Apr 01 14:26:47 rockbox kernel:  __schedule+0x28a/0x880
Apr 01 14:26:47 rockbox kernel:  schedule+0x36/0x80
Apr 01 14:26:47 rockbox kernel:  btrfs_tree_lock+0x135/0x210 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? remove_wait_queue+0x60/0x60
Apr 01 14:26:47 rockbox kernel:  btrfs_search_slot+0x714/0x9b0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_lookup_inode+0x3e/0xc0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? btrfs_insert_delayed_items+0xc0/0x480 [btrfs]
Apr 01 14:26:47 rockbox kernel:  __btrfs_update_delayed_inode+0x74/0x220 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_async_run_delayed_root+0x1e1/0x200 [btrfs]
Apr 01 14:26:47 rockbox kernel:  normal_work_helper+0xc0/0x2f0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? pwq_activate_delayed_work+0x42/0xb0
Apr 01 14:26:47 rockbox kernel:  btrfs_delayed_meta_helper+0x12/0x20 [btrfs]
Apr 01 14:26:47 rockbox kernel:  process_one_work+0x149/0x360
Apr 01 14:26:47 rockbox kernel:  worker_thread+0x4d/0x3c0
Apr 01 14:26:47 rockbox kernel:  kthread+0x109/0x140
Apr 01 14:26:47 rockbox kernel:  ? rescuer_thread+0x380/0x380
Apr 01 14:26:47 rockbox kernel:  ? kthread_park+0x60/0x60
Apr 01 14:26:47 rockbox kernel:  ret_from_fork+0x25/0x30
Apr 01 14:26:47 rockbox kernel: INFO: task kworker/u128:5:3002 blocked for more than 120 seconds.
Apr 01 14:26:47 rockbox kernel:       Not tainted 4.12.4-1.el7.elrepo.x86_64 #1
Apr 01 14:26:47 rockbox kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 01 14:26:47 rockbox kernel: kworker/u128:5  D    0  3002      2 0x00000080
Apr 01 14:26:47 rockbox kernel: Workqueue: btrfs-delayed-meta btrfs_delayed_meta_helper [btrfs]
Apr 01 14:26:47 rockbox kernel: Call Trace:
Apr 01 14:26:47 rockbox kernel:  __schedule+0x28a/0x880
Apr 01 14:26:47 rockbox kernel:  schedule+0x36/0x80
Apr 01 14:26:47 rockbox kernel:  btrfs_tree_read_lock+0xbe/0x120 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? remove_wait_queue+0x60/0x60
Apr 01 14:26:47 rockbox kernel:  __add_missing_keys+0xd9/0x140 [btrfs]
Apr 01 14:26:47 rockbox kernel:  find_parent_nodes+0x32e/0x940 [btrfs]
Apr 01 14:26:47 rockbox kernel:  __btrfs_find_all_roots+0xc7/0x140 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_find_all_roots+0x55/0x70 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_qgroup_trace_extent_post+0x34/0x60 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_add_delayed_data_ref+0x167/0x220 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_inc_extent_ref+0x45/0x70 [btrfs]
Apr 01 14:26:47 rockbox kernel:  __btrfs_mod_ref+0x14d/0x260 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? lookup_tree_block_ref.isra.39+0xe0/0xe0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_inc_ref+0x14/0x20 [btrfs]
Apr 01 14:26:47 rockbox kernel:  update_ref_for_cow+0xde/0x350 [btrfs]
Apr 01 14:26:47 rockbox kernel:  __btrfs_cow_block+0x1f8/0x5d0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_cow_block+0xe9/0x200 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_search_slot+0x206/0x9b0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_lookup_inode+0x3e/0xc0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? btrfs_insert_delayed_items+0xc0/0x480 [btrfs]
Apr 01 14:26:47 rockbox kernel:  __btrfs_update_delayed_inode+0x74/0x220 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_async_run_delayed_root+0x1e1/0x200 [btrfs]
Apr 01 14:26:47 rockbox kernel:  normal_work_helper+0xc0/0x2f0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? pwq_activate_delayed_work+0x42/0xb0
Apr 01 14:26:47 rockbox kernel:  btrfs_delayed_meta_helper+0x12/0x20 [btrfs]
Apr 01 14:26:47 rockbox kernel:  process_one_work+0x149/0x360
Apr 01 14:26:47 rockbox kernel:  worker_thread+0x4d/0x3c0
Apr 01 14:26:47 rockbox kernel:  kthread+0x109/0x140
Apr 01 14:26:47 rockbox kernel:  ? rescuer_thread+0x380/0x380
Apr 01 14:26:47 rockbox kernel:  ? kthread_park+0x60/0x60
Apr 01 14:26:47 rockbox kernel:  ? do_syscall_64+0x13a/0x150
Apr 01 14:26:47 rockbox kernel:  ret_from_fork+0x25/0x30
Apr 01 14:26:47 rockbox kernel: INFO: task kworker/u128:11:3566 blocked for more than 120 seconds.
Apr 01 14:26:47 rockbox kernel:       Not tainted 4.12.4-1.el7.elrepo.x86_64 #1
Apr 01 14:26:47 rockbox kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 01 14:26:47 rockbox kernel: kworker/u128:11 D    0  3566      2 0x00000080
Apr 01 14:26:47 rockbox kernel: Workqueue: btrfs-delayed-meta btrfs_delayed_meta_helper [btrfs]
Apr 01 14:26:47 rockbox kernel: Call Trace:
Apr 01 14:26:47 rockbox kernel:  __schedule+0x28a/0x880
Apr 01 14:26:47 rockbox kernel:  schedule+0x36/0x80
Apr 01 14:26:47 rockbox kernel:  btrfs_tree_read_lock+0xbe/0x120 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? remove_wait_queue+0x60/0x60
Apr 01 14:26:47 rockbox kernel:  __add_missing_keys+0xd9/0x140 [btrfs]
Apr 01 14:26:47 rockbox kernel:  find_parent_nodes+0x32e/0x940 [btrfs]
Apr 01 14:26:47 rockbox kernel:  __btrfs_find_all_roots+0xc7/0x140 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_find_all_roots+0x55/0x70 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_qgroup_trace_extent_post+0x34/0x60 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_add_delayed_tree_ref+0x1f1/0x220 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_inc_extent_ref+0x6c/0x70 [btrfs]
Apr 01 14:26:47 rockbox kernel:  __btrfs_mod_ref+0x14d/0x260 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? btrfs_lookup_extent_info+0x3f2/0x470 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? lookup_tree_block_ref.isra.39+0xe0/0xe0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_inc_ref+0x14/0x20 [btrfs]
Apr 01 14:26:47 rockbox kernel:  update_ref_for_cow+0xde/0x350 [btrfs]
Apr 01 14:26:47 rockbox kernel:  __btrfs_cow_block+0x1f8/0x5d0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_cow_block+0xe9/0x200 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_search_slot+0x206/0x9b0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_lookup_inode+0x3e/0xc0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? btrfs_insert_delayed_items+0xc0/0x480 [btrfs]
Apr 01 14:26:47 rockbox kernel:  __btrfs_update_delayed_inode+0x74/0x220 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_async_run_delayed_root+0x1e1/0x200 [btrfs]
Apr 01 14:26:47 rockbox kernel:  normal_work_helper+0xc0/0x2f0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? pwq_activate_delayed_work+0x42/0xb0
Apr 01 14:26:47 rockbox kernel:  btrfs_delayed_meta_helper+0x12/0x20 [btrfs]
Apr 01 14:26:47 rockbox kernel:  process_one_work+0x149/0x360
Apr 01 14:26:47 rockbox kernel:  worker_thread+0x4d/0x3c0
Apr 01 14:26:47 rockbox kernel:  kthread+0x109/0x140
Apr 01 14:26:47 rockbox kernel:  ? rescuer_thread+0x380/0x380
Apr 01 14:26:47 rockbox kernel:  ? kthread_park+0x60/0x60
Apr 01 14:26:47 rockbox kernel:  ? do_syscall_64+0x13a/0x150
Apr 01 14:26:47 rockbox kernel:  ret_from_fork+0x25/0x30
Apr 01 14:26:47 rockbox kernel: INFO: task rsync:28860 blocked for more than 120 seconds.
Apr 01 14:26:47 rockbox kernel:       Not tainted 4.12.4-1.el7.elrepo.x86_64 #1
Apr 01 14:26:47 rockbox kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 01 14:26:47 rockbox kernel: rsync           D    0 28860  28466 0x00000080
Apr 01 14:26:47 rockbox kernel: Call Trace:
Apr 01 14:26:47 rockbox kernel:  __schedule+0x28a/0x880
Apr 01 14:26:47 rockbox kernel:  schedule+0x36/0x80
Apr 01 14:26:47 rockbox kernel:  wait_current_trans+0xc7/0x100 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? remove_wait_queue+0x60/0x60
Apr 01 14:26:47 rockbox kernel:  start_transaction+0x28a/0x440 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_start_transaction+0x1e/0x20 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_rename+0x19b/0xce0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? privileged_wrt_inode_uidgid+0x2e/0x40
Apr 01 14:26:47 rockbox kernel:  ? capable_wrt_inode_uidgid+0x42/0x50
Apr 01 14:26:47 rockbox kernel:  btrfs_rename2+0x1d/0x30 [btrfs]
Apr 01 14:26:47 rockbox kernel:  vfs_rename+0x4d1/0x760
Apr 01 14:26:47 rockbox kernel:  SyS_rename+0x38b/0x400
Apr 01 14:26:47 rockbox kernel:  do_syscall_64+0x67/0x150
Apr 01 14:26:47 rockbox kernel:  entry_SYSCALL64_slow_path+0x25/0x25
Apr 01 14:26:47 rockbox kernel: RIP: 0033:0x7fc80aa048d7
Apr 01 14:26:47 rockbox kernel: RSP: 002b:00007ffc1ed88998 EFLAGS: 00000202 ORIG_RAX: 0000000000000052
Apr 01 14:26:47 rockbox kernel: RAX: ffffffffffffffda RBX: 00007ffc1ed88bb0 RCX: 00007fc80aa048d7
Apr 01 14:26:47 rockbox kernel: RDX: 0000000000000000 RSI: 00007ffc1ed88bb0 RDI: 00007ffc1ed8abb0
Apr 01 14:26:47 rockbox kernel: RBP: 00007ffc1ed8abb0 R08: 0000000000000000 R09: 0000000000000001
Apr 01 14:26:47 rockbox kernel: R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004
Apr 01 14:26:47 rockbox kernel: R13: 0000000000000000 R14: 0000000000000180 R15: 00007ffc1ed8abb0
Apr 01 14:26:47 rockbox kernel: INFO: task kworker/u128:1:31027 blocked for more than 120 seconds.
Apr 01 14:26:47 rockbox kernel:       Not tainted 4.12.4-1.el7.elrepo.x86_64 #1
Apr 01 14:26:47 rockbox kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 01 14:26:47 rockbox kernel: kworker/u128:1  D    0 31027      2 0x00000080
Apr 01 14:26:47 rockbox kernel: Workqueue: btrfs-delayed-meta btrfs_delayed_meta_helper [btrfs]
Apr 01 14:26:47 rockbox kernel: Call Trace:
Apr 01 14:26:47 rockbox kernel:  __schedule+0x28a/0x880
Apr 01 14:26:47 rockbox kernel:  schedule+0x36/0x80
Apr 01 14:26:47 rockbox kernel:  btrfs_tree_read_lock+0xbe/0x120 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? remove_wait_queue+0x60/0x60
Apr 01 14:26:47 rockbox kernel:  btrfs_search_slot+0x6ed/0x9b0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_lookup_inode+0x3e/0xc0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? btrfs_insert_delayed_items+0xc0/0x480 [btrfs]
Apr 01 14:26:47 rockbox kernel:  __btrfs_update_delayed_inode+0x74/0x220 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_async_run_delayed_root+0x1e1/0x200 [btrfs]
Apr 01 14:26:47 rockbox kernel:  normal_work_helper+0xc0/0x2f0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? pwq_activate_delayed_work+0x42/0xb0
Apr 01 14:26:47 rockbox kernel:  btrfs_delayed_meta_helper+0x12/0x20 [btrfs]
Apr 01 14:26:47 rockbox kernel:  process_one_work+0x149/0x360
Apr 01 14:26:47 rockbox kernel:  worker_thread+0x4d/0x3c0
Apr 01 14:26:47 rockbox kernel:  kthread+0x109/0x140
Apr 01 14:26:47 rockbox kernel:  ? rescuer_thread+0x380/0x380
Apr 01 14:26:47 rockbox kernel:  ? kthread_park+0x60/0x60
Apr 01 14:26:47 rockbox kernel:  ? do_syscall_64+0x13a/0x150
Apr 01 14:26:47 rockbox kernel:  ret_from_fork+0x25/0x30
Apr 01 14:26:47 rockbox kernel: INFO: task php:39961 blocked for more than 120 seconds.
Apr 01 14:26:47 rockbox kernel:       Not tainted 4.12.4-1.el7.elrepo.x86_64 #1
Apr 01 14:26:47 rockbox kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Apr 01 14:26:47 rockbox kernel: php             D    0 39961  39901 0x00000180
Apr 01 14:26:47 rockbox kernel: Call Trace:
Apr 01 14:26:47 rockbox kernel:  __schedule+0x28a/0x880
Apr 01 14:26:47 rockbox kernel:  schedule+0x36/0x80
Apr 01 14:26:47 rockbox kernel:  btrfs_tree_read_lock+0xbe/0x120 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? remove_wait_queue+0x60/0x60
Apr 01 14:26:47 rockbox kernel:  btrfs_read_lock_root_node+0x34/0x50 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_search_slot+0x53d/0x9b0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? btrfs_crc32c+0x6e/0xa0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_lookup_dir_item+0x78/0xc0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  btrfs_lookup_dentry+0xc9/0x4e0 [btrfs]
Apr 01 14:26:47 rockbox kernel:  ? lookup_fast+0x15a/0x2e0
Apr 01 14:26:47 rockbox kernel:  btrfs_lookup+0x12/0x40 [btrfs]
Apr 01 14:26:47 rockbox kernel:  path_openat+0xddc/0x13b0
Apr 01 14:26:47 rockbox kernel:  do_filp_open+0x91/0x100
Apr 01 14:26:47 rockbox kernel:  ? __check_object_size+0x159/0x190
Apr 01 14:26:47 rockbox kernel:  ? __alloc_fd+0x46/0x170
Apr 01 14:26:47 rockbox kernel:  do_sys_open+0x124/0x210
Apr 01 14:26:47 rockbox kernel:  SyS_open+0x1e/0x20
Apr 01 14:26:47 rockbox kernel:  do_syscall_64+0x67/0x150
Apr 01 14:26:47 rockbox kernel:  entry_SYSCALL64_slow_path+0x25/0x25
Apr 01 14:26:47 rockbox kernel: RIP: 0033:0x7fa43caa93e7
Apr 01 14:26:47 rockbox kernel: RSP: 002b:00007ffc802c0cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
Apr 01 14:26:47 rockbox kernel: RAX: ffffffffffffffda RBX: 00007ffc802c0db8 RCX: 00007fa43caa93e7
Apr 01 14:26:47 rockbox kernel: RDX: 00007fa43cca8500 RSI: 0000000000080000 RDI: 00007fa43ccae9a5
Apr 01 14:26:47 rockbox kernel: RBP: 00007ffc802c0d20 R08: 00007ffc802c0da7 R09: 0000000000000000
Apr 01 14:26:47 rockbox kernel: R10: 00007fa43ccae9a5 R11: 0000000000000246 R12: 00007fa43cca8500
Apr 01 14:26:47 rockbox kernel: R13: 00007ffc802c0da7 R14: 00007fa43ccb3060 R15: 0000000000000000