[  239.294482][  T110] su (110) used greatest stack depth: 24104 bytes left
[  239.294501][  T110] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[  239.294503][  T110] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 110, name: su
[  239.294504][  T110] preempt_count: 2, expected: 0
[  239.294505][  T110] RCU nest depth: 0, expected: 0
[  239.294506][  T110] locks held by su/110: 5, last CPU#1:
[  239.294509][