[   78.526064][  T118] su (118) used greatest stack depth: 24104 bytes left
[   78.526077][  T118] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   78.526080][  T118] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 118, name: su
[   78.526081][  T118] preempt_count: 2, expected: 0
[   78.526082][  T118] RCU nest depth: 0, expected: 0
[   78.526083][  T118] INFO: lockdep is turned off.
[   78.526084][  T118] irq event stamp: 137768
[   78.526085][  T118] hardirqs last  enabled at (137767): [<ffffffff98b22483>] _raw_spin_unlock_irqrestore+0x53/0x80
[   78.526094][  T118] hardirqs last disabled at (137768): [<fff