我遇到了这个问题，它挂起了我的操作系统的操作使用。 - 无法 sudo、su -、启动新终端 - 无法重新启动（cli 或 gui） - 没有网络 - 无法启动新应用程序 - 现有应用程序可以工作，例如文本编辑器运行仍然可以保存文件。
问题发生前 Dmesg 和 Kernel 日志最后显示的内容如下：
Aug 20 23:19:34 T303UA kernel: [ 2054.916825] INFO: task NetworkManager:1331 blocked for more than 120 seconds.
Aug 20 23:19:34 T303UA kernel: [ 2054.916843] Tainted: G OE 4.15.0-32-generic #35-Ubuntu
Aug 20 23:19:34 T303UA kernel: [ 2054.916849] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug 20 23:19:34 T303UA kernel: [ 2054.916858] NetworkManager D 0 1331 1 0x00000000
Aug 20 23:19:34 T303UA kernel: [ 2054.916867] Call Trace:
Aug 20 23:19:34 T303UA kernel: [ 2054.916886] __schedule+0x291/0x8a0
Aug 20 23:19:34 T303UA kernel: [ 2054.916895] schedule+0x2c/0x80
Aug 20 23:19:34 T303UA kernel: [ 2054.916903] schedule_preempt_disabled+0xe/0x10
Aug 20 23:19:34 T303UA kernel: [ 2054.916910] __mutex_lock.isra.2+0x18c/0x4d0
Aug 20 23:19:34 T303UA kernel: [ 2054.916922] ? futex_wait+0xed/0x250
Aug 20 23:19:34 T303UA kernel: [ 2054.916931] __mutex_lock_slowpath+0x13/0x20
Aug 20 23:19:34 T303UA kernel: [ 2054.916937] ? __mutex_lock_slowpath+0x13/0x20
Aug 20 23:19:34 T303UA kernel: [ 2054.916944] mutex_lock+0x2f/0x40
Aug 20 23:19:34 T303UA kernel: [ 2054.916954] rtnl_lock+0x15/0x20
Aug 20 23:19:34 T303UA kernel: [ 2054.916962] ip6mr_sk_done+0x33/0xd0
Aug 20 23:19:34 T303UA kernel: [ 2054.916973] rawv6_close+0x1d/0x40
Aug 20 23:19:34 T303UA kernel: [ 2054.916982] inet_release+0x42/0x70
Aug 20 23:19:34 T303UA kernel: [ 2054.916989] inet6_release+0x30/0x40
Aug 20 23:19:34 T303UA kernel: [ 2054.916997] sock_release+0x25/0x80
Aug 20 23:19:34 T303UA kernel: [ 2054.917005] sock_close+0x12/0x20
Aug 20 23:19:34 T303UA kernel: [ 2054.917014] __fput+0xea/0x220
Aug 20 23:19:34 T303UA kernel: [ 2054.917022] ____fput+0xe/0x10
Aug 20 23:19:34 T303UA kernel: [ 2054.917032] task_work_run+0x9d/0xc0
Aug 20 23:19:34 T303UA kernel: [ 2054.917042] exit_to_usermode_loop+0xc0/0xd0
Aug 20 23:19:34 T303UA kernel: [ 2054.917051] do_syscall_64+0x115/0x130
Aug 20 23:19:34 T303UA kernel: [ 2054.917060] entry_SYSCALL_64_after_hwframe+0x3d/0xa2
Aug 20 23:19:34 T303UA kernel: [ 2054.917068] RIP: 0033:0x7f5998480447
Aug 20 23:19:34 T303UA kernel: [ 2054.917073] RSP: 002b:00007ffc768f5d40 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
Aug 20 23:19:34 T303UA kernel: [ 2054.917080] RAX: 0000000000000000 RBX: 0000000000000013 RCX: 00007f5998480447
Aug 20 23:19:34 T303UA kernel: [ 2054.917084] RDX: 0000000000000000 RSI: 00007f5998469c58 RDI: 0000000000000013
Aug 20 23:19:34 T303UA kernel: [ 2054.917088] RBP: 000055ffae02f440 R08: 000055ffae02f440 R09: 0000000000000010
Aug 20 23:19:34 T303UA kernel: [ 2054.917092] R10: 000000000000003d R11: 0000000000000293 R12: 000055ffae02f448
Aug 20 23:19:34 T303UA kernel: [ 2054.917096] R13: 000055ffae02f450 R14: 00007f599a1a3200 R15: 000055ffadfe2f60
系统信息：
- Ubuntu 18.04
- Linux T303UA 4.15.0-33-通用#36-Ubuntu SMP 2018年8月15日星期三16:00:05 UTC x86_64 x86_64 x86_64 GNU/Linux
- 硬件，华硕 transformer 3 pro t303ua
非常感谢您的帮助。