irq event stamp: 0                                                                                                                                                                                               
hardirqs last  enabled at (0): [<00000000>] __init_begin+0x3fff8000/0x30                                                                                                                                         
hardirqs last disabled at (0): [<c008510c>] copy_process+0x344/0x1228                                                                                                                                            
softirqs last  enabled at (0): [<c008510c>] copy_process+0x344/0x1228                                                                                                                                            
softirqs last disabled at (0): [<00000000>] __init_begin+0x3fff8000/0x30                                                                                                                                         
BUG: at kernel/sched.c:4303 __schedule()                                                                                                                                                                         
[<c006e728>] (dump_stack+0x0/0x28) from [<c0308e44>] (__schedule+0xa24/0xac8)                                                                                                                                    
[<c0308420>] (__schedule+0x0/0xac8) from [<c03090fc>] (schedule+0xdc/0x128)                                                                                                                                      
[<c0309020>] (schedule+0x0/0x128) from [<c009d7f4>] (kthread+0xcc/0x12c)                                                                                                                                         
 r4 = C04D4000                                                                                                                                                                                                   
[<c009d728>] (kthread+0x0/0x12c) from [<c008a4f4>] (do_exit+0x0/0x814)                                                                                                                                           
 r7 = 00000000  r6 = 00000000  r5 = 00000000  r4 = 00000000                                                                                                                                                      
---------------------------                                                                                                                                                                                      
| preempt count: 00000000 ]                                                                                                                                                                                      
| 0-level deep critical section nesting:                                                                                                                                                                         
----------------------------------------