[   11.908106][  T110] su (110) used greatest stack depth: 24104 bytes left
[   11.908123][  T110] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   11.908125][  T110] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 110, name: su
[   11.908126][  T110] preempt_count: 2, expected: 0
[   11.908127][  T110] RCU nest depth: 0, expected: 0
[   11.908128][  T110] locks held by su/110: 5, last CPU#1:
[   11.908130][  T110]  #0: ffff