[  202.964588][  T110] su (110) used greatest stack depth: 23968 bytes left
[  202.964609][  T110] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[  202.964612][  T110] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 110, name: su
[  202.964614][  T110] preempt_count: 2, expected: 0
[  202.964614][  T110] RCU nest depth: 0, expected: 0
[  202.964616][  T110] locks held by su/110: 5, last CPU#1:
[  202.964618][  T110]  #0: ffffffffac4027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[  202.964631][  T110]  #1: ffffffffac569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0