http://ix.io/fpWSep 27 15:16:08 meije kernel: INFO: task kworker/u128:1:18864 blocked for more than 122 seconds.
Sep 27 15:16:08 meije kernel:       Not tainted 5.1.10-arch1-1-ARCH #1
Sep 27 15:16:08 meije kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Sep 27 15:16:08 meije kernel: kworker/u128:1  D    0 18864      2 0x80000080
Sep 27 15:16:08 meije kernel: Workqueue: events_unbound btrfs_async_reclaim_metadata_space [btrfs]
Sep 27 15:16:08 meije kernel: Call Trace:
Sep 27 15:16:08 meije kernel:  ? __schedule+0x26c/0x8c0
Sep 27 15:16:08 meije kernel:  ? preempt_count_add+0x79/0xb0
Sep 27 15:16:08 meije kernel:  schedule+0x3c/0x80
Sep 27 15:16:08 meije kernel:  wait_for_commit+0x53/0x80 [btrfs]
Sep 27 15:16:08 meije kernel:  ? wait_woken+0x70/0x70
Sep 27 15:16:08 meije kernel:  btrfs_commit_transaction+0x145/0x930 [btrfs]
Sep 27 15:16:08 meije kernel:  ? _raw_spin_lock_irqsave+0x26/0x50
Sep 27 15:16:08 meije kernel:  ? _raw_spin_unlock_irqrestore+0x20/0x40
Sep 27 15:16:08 meije kernel:  ? __percpu_counter_sum+0x52/0x60
Sep 27 15:16:08 meije kernel:  flush_space+0x163/0x6a0 [btrfs]
Sep 27 15:16:08 meije kernel:  ? __switch_to_asm+0x41/0x70
Sep 27 15:16:08 meije kernel:  ? __switch_to_asm+0x35/0x70
Sep 27 15:16:08 meije kernel:  ? __switch_to_asm+0x41/0x70
Sep 27 15:16:08 meije kernel:  btrfs_async_reclaim_metadata_space+0xc4/0x4a0 [btrfs]
Sep 27 15:16:08 meije kernel:  ? __schedule+0x274/0x8c0
Sep 27 15:16:08 meije kernel:  process_one_work+0x1d1/0x3e0
Sep 27 15:16:08 meije kernel:  worker_thread+0x4a/0x3d0
Sep 27 15:16:08 meije kernel:  kthread+0xfb/0x130
Sep 27 15:16:08 meije kernel:  ? process_one_work+0x3e0/0x3e0
Sep 27 15:16:08 meije kernel:  ? kthread_park+0x90/0x90
Sep 27 15:16:08 meije kernel:  ret_from_fork+0x35/0x40