[    9.453193][  T110] su (110) used greatest stack depth: 24104 bytes left
[    9.453208][  T110] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[    9.453210][  T110] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 110, name: su
[    9.453212][  T110] preempt_count: 2, expected: 0
[    9.453213][  T110] RCU nest depth: 0, expected: 0