| TITLE: INFO: task hung in rtnl_lock |
| TYPE: HANG |
| |
| [ 715.843349] INFO: task kworker/u4:0:5 blocked for more than 140 seconds. |
| [ 715.850238] Not tainted 4.15.0 #0 |
| [ 715.855356] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. |
| [ 715.863375] kworker/u4:0 D 8064 5 2 0x90000000 437968653576 |
| [ 715.870148] Workqueue: netns cleanup_net |
| [ 715.874223] Call Trace: |
| [ 715.876816] [<ffffffff8147436f>] context_switch+0x60f/0xa60 |
| [ 715.882617] [<ffffffff8100095a>] __schedule+0x5aa/0x1da0 |
| [ 715.894058] [<ffffffff810021df>] schedule+0x8f/0x1b0 |
| [ 715.899248] [<ffffffff81002a80>] schedule_preempt_disabled+0x10/0x20 |
| [ 715.905933] [<ffffffff810075ad>] __mutex_lock+0x82d/0x1430 |
| [ 715.960323] [<ffffffff810081c6>] mutex_lock_nested+0x16/0x20 |
| [ 715.972316] [<ffffffff83a7b4b7>] rtnl_lock+0x17/0x20 |
| [ 715.977535] [<ffffffff83bd0c35>] nat_exit_net+0x25/0x380 |
| [ 715.989126] [<ffffffff839fbbc5>] ops_exit_list.isra.0+0x105/0x160 |
| [ 715.995473] [<ffffffff839fd438>] cleanup_net+0x4d8/0xa20 |
| [ 716.012922] [<ffffffff814338f6>] process_one_work+0x886/0x1650 |
| [ 716.043399] [<ffffffff81434d13>] worker_thread+0x653/0x1150 |
| [ 716.049197] [<ffffffff8144c478>] kthread+0x348/0x420 |
| [ 716.067875] [<ffffffff84400273>] ret_from_fork+0x63/0x70 |
