[   63.029748][  T110] su (110) used greatest stack depth: 24104 bytes left
[   63.029768][  T110] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   63.029771][  T110] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 110, name: su
[   63.029772][  T110] preempt_count: 2, expected: 0
[   63.029773][  T110] RCU nest depth: 0, expected: 0
[   63.029774][  T110] locks held by su/110: 5, last CPU#3:
[   63.029776][  T110]  #0: ffffffffb9202f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0
[   63.029789][  T110]  #1: ffffffffb936a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/