[   15.248341][  T110] su (110) used greatest stack depth: 24104 bytes left
[   15.248359][  T110] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   15.248361][  T110] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 110, name: su
[   15.248362][  T110] preempt_count: 2, expected: 0
[   15.248363][  T110] RCU nest depth: 0, expected: 0
[   15.248364][  T110] locks held by su/110: 5, last CPU#0:
[   15.248366][  T110]  #0: ffffffff9a4027b8 (lo