[   10.747608][  T109] su (109) used greatest stack depth: 23568 bytes left
[   10.747622][  T109] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   10.747624][  T109] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 109, name: su
[   10.747626][  T109] preempt_count: 2, expected: 0
[   10.747627][  T109] RCU nest depth: 0, expected: 0
[   10.747628][  T109] locks held by su/109: 5,