Comment 4 for bug 1775165

This timeout issue could be found on X-generic / X-AWS as well.

Jun 22 06:41:26 rumford kernel: [69360.848524] INFO: task fsnotify_mark:105 blocked for more than 120 seconds.
Jun 22 06:41:26 rumford kernel: [69360.848930] Not tainted 4.4.0-130-generic #156-Ubuntu
Jun 22 06:41:26 rumford kernel: [69360.849258] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jun 22 06:41:26 rumford kernel: [69360.849727] fsnotify_mark D ffff8808542ebc98 0 105 2 0x00000000
Jun 22 06:41:26 rumford kernel: [69360.849734] ffff8808542ebc98 ffff88085f3972c0 ffff88085b4b5400 ffff8808542e0000
Jun 22 06:41:26 rumford kernel: [69360.849739] ffff8808542ec000 ffff8808542ebde8 ffff8808542ebde0 ffff8808542e0000
Jun 22 06:41:26 rumford kernel: [69360.849744] 0000000000000000 ffff8808542ebcb0 ffffffff8184f0e5 7fffffffffffffff
Jun 22 06:41:26 rumford kernel: [69360.849749] Call Trace:
Jun 22 06:41:26 rumford kernel: [69360.849763] [<ffffffff8184f0e5>] schedule+0x35/0x80
Jun 22 06:41:26 rumford kernel: [69360.849768] [<ffffffff81852276>] schedule_timeout+0x1b6/0x270
Jun 22 06:41:26 rumford kernel: [69360.849776] [<ffffffff810bafeb>] ? dequeue_entity+0x41b/0xa80
Jun 22 06:41:26 rumford kernel: [69360.849783] [<ffffffff81416cf5>] ? find_next_bit+0x15/0x20
Jun 22 06:41:26 rumford kernel: [69360.849791] [<ffffffff810e8812>] ? srcu_readers_seq_idx.isra.7+0x52/0x70
Jun 22 06:41:26 rumford kernel: [69360.849797] [<ffffffff8184fb43>] wait_for_completion+0xb3/0x140
Jun 22 06:41:26 rumford kernel: [69360.849805] [<ffffffff810b0140>] ? wake_up_q+0x70/0x70
Jun 22 06:41:26 rumford kernel: [69360.849810] [<ffffffff810e8cb4>] __synchronize_srcu+0xf4/0x130
Jun 22 06:41:26 rumford kernel: [69360.849815] [<ffffffff810e8070>] ? trace_raw_output_rcu_utilization+0x60/0x60
Jun 22 06:41:26 rumford kernel: [69360.849820] [<ffffffff810e8d14>] synchronize_srcu+0x24/0x30
Jun 22 06:41:26 rumford kernel: [69360.849827] [<ffffffff8125a24b>] fsnotify_mark_destroy+0x8b/0x140
Jun 22 06:41:26 rumford kernel: [69360.849835] [<ffffffff810c80b0>] ? wake_atomic_t_function+0x60/0x60
Jun 22 06:41:26 rumford kernel: [69360.849840] [<ffffffff8125a1c0>] ? fsnotify_put_mark+0x40/0x40
Jun 22 06:41:26 rumford kernel: [69360.849845] [<ffffffff810a45b7>] kthread+0xe7/0x100
Jun 22 06:41:26 rumford kernel: [69360.849850] [<ffffffff810a44d0>] ? kthread_create_on_node+0x1e0/0x1e0
Jun 22 06:41:26 rumford kernel: [69360.849855] [<ffffffff818536f5>] ret_from_fork+0x55/0x80
Jun 22 06:41:26 rumford kernel: [69360.849859] [<ffffffff810a44d0>] ? kthread_create_on_node+0x1e0/0x1e0