[   90.518664][  T110] su (110) used greatest stack depth: 23232 bytes left
[   90.518683][  T110] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   90.518685][  T110] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 110, name: su
[   90.518687][  T110] preempt_count: 2, expected: 0
[   90.518687][  T110] RCU nest depth: 0, expected: 0
[   90.518688][  T110] locks held by su/110: 5, last CPU#3:
[   90.518691][  T110]  #0: ffffffff9b4027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[   90.518703][  T110]  #1: ffffffff9b569cc0 (console_lock){+.+.}-{0:0}, at: vpr