[  162.168632][  T109] su (109) used greatest stack depth: 24104 bytes left
[  162.168649][  T109] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[  162.168652][  T109] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 109, name: su
[  162.168653][  T109] preempt_count: 2, expected: 0
[  162.168654][  T109] RCU nest depth: 0, expected: 0
[  162.168655][  T109] INFO: lockdep is turned off.
[  162.168656][  T109] irq event stamp: 132662
[  162.168657][  T109] hardirqs last  enabled at (132661): [<ffffffff93064483>] _raw_spin_unlock_irqrestore+0x53/0x80
[  162.168666][  T109] hardirqs last disabled at (132662): [<ffffffff93046b26>] __schedule+0x1246/0x20e0
[  162.168668][  T109] softirqs last  enabled at (132554): [<ffffffff908c9ec9>] fpu_clone+0xd9/0x410
[  162.168672][  T109] softirqs last disabled at (132552): [<ffffffff908c9e72>] fpu_clone+0x82/0x410
[  162.168674][  T109] Preemption disabled at:
[  162.168675][  T109] [<0000000000000000>] 0x0