[  363.723027][  T109] su (109) used greatest stack depth: 23232 bytes left
[  363.723044][  T109] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[  363.723047][  T109] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 109, name: su
[  363.723048][  T109] preempt_count: 2, expected: 0
[  363.723049][  T109] RCU nest depth: 0, expected: 0
[  363.723050][  T109] INFO: lockdep is turned off.
[  363.723051][  T109] irq event stamp: 133512
[  363.723052][  T109] hardirqs last  enabled at (133511): [<ffffffff845a8483>] _raw_spin_unlock_irqrestore+0x53/0x80
[  363.723062][  T109] hardirqs last disabled at (133512): [<ffffffff8458ab26>]