1TITLE: possible deadlock in serial8250_console_write
2CORRUPTED: Y
3
4[  131.449768] ======================================================
5[  131.449777] [ INFO: possible circular locking dependency detected ]
6[  131.449789] 3.10.37+ #1 Not tainted
7[  131.449797] -------------------------------------------------------
8[  131.449807] swapper/2/0 is trying to acquire lock:
9[  131.449859]  (&port_lock_key){-.-...}, at: [<c036a6dc>]     serial8250_console_write+0x108/0x134
10[  131.449866]
11