[  184.635330][  T111] su (111) used greatest stack depth: 24104 bytes left
[  184.635348][  T111] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[  184.635350][  T111] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 111, name: su
[  184.635352][  T111] preempt_count: 2, expected: 0
[  184.635353][  T111] RCU nest depth: 0, expected: 0
[  184.635354][  T111] INFO: lockdep is turned off.
[  184.635355][  T111] irq event stamp: 135984
[  184.635356][  T111] hardirqs last  enabled at (135983): [<ffffffff9be2d543>] _raw_spin_unlock_irqrestore+0x53/0x80
[  184.635365][  T111] hardirqs last disabled at (135984): [<ffffffff9be0fbe6>] __schedule+0x1246/0x20e0
[  184.635367][  T111] softirqs last  enabled at (135876): [<ffffffff996c8f39>] fpu_clone+0xd9/0x410