[   76.738883][  T111] su (111) used greatest stack depth: 24104 bytes left
[   76.738900][  T111] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   76.738902][  T111] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 111, name: su
[   76.738904][  T111] preempt_count: 2, expected: 0
[   76.738905][  T111] RCU nest depth: 0, expected: 0
[   76.738905][  T111] INFO: lockdep is turned off.
[   76.738907][  T111] irq event stamp: 136048
[   76.738908][  T111] hardirqs last  enabled at