[   55.772729][  T110] su (110) used greatest stack depth: 23376 bytes left
[   55.772749][  T110] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   55.772751][  T110] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 110, name: su
[   55.772753][  T110] preempt_count: 2, expected: 0
[   55.772754][  T110] RCU nest depth: 0, expected: 0