[   15.385411][  T109] su (109) used greatest stack depth: 23824 bytes left
[   15.385431][  T109] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   15.385433][  T109] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 109, name: su
[   15.385435][  T109] preempt_c