[  283.578768][  T112] su (112) used greatest stack depth: 24072 bytes left
[  283.578788][  T112] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[  283.578791][  T112] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 112, name: su
[  283.578793][  T112] preempt_count: 2, expected: 0
[  283.578794][  T112] RCU nest depth: 0, expected: 0
[  283.578796][  T112] INFO: lockdep is turned off.
[  283.578797][  T112] irq event stamp: 152848
[  283.578798][  T112] hardirqs last  enabled at