[   54.209420][  T108] su (108) used greatest stack depth: 24104 bytes left
[   54.209437][  T108] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   54.209440][  T108] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 108, name: su
[   54.209441][  T108] preempt_count: 2, expected: 0
[   54.209442][  T108] RCU nest depth: 0, expected: 0
[   54.209443][