CPU: 0
PC is at __bug+0x24/0x30
LR is at rt_up+0x50/0x6c
pc : [<c006e118>]    lr : [<c00a9944>]    Not tainted
sp : c5835d50  ip : c5835c78  fp : c5835d5c
r10: c596724f  r9 : c0059304  r8 : 00000001
r7 : c0059184  r6 : c5834000  r5 : c5cf3674  r4 : 60000013
r3 : 00000000  r2 : 00000001  r1 : c0381c4c  r0 : 00000027
Flags: nzcv  IRQs off  FIQs on  Mode SVC_32  Segment kernel
Control: C000717F
Table: 05200000  DAC: 00000017
Process IRQ-54 (pid: 795, stack limit = 0xc5834258)
Stack: (0xc5835d50 to 0xc5836000)
5d40:                                     c5835dcc c5835d60 c030a6ac c006e104 
5d60: 60000013 0000008c c5835d68 c5835d68 c5835d70 c5835d70 00000000 0000008c 
5d80: c5835d80 c5835d80 c5835d88 c5835d88 00000000 00000000 11111111 11111111 
5da0: 11111111 11111111 c5835dc4 c5f0f998 c5cf3674 c0059184 c0059184 00000001                                                                                                                                   
5dc0: c5835ddc c5835dd0 c030a9d4 c030a60c c5835dfc c5835de0 c01b77b0 c030a9d0                                                                                                                                   
5de0: c01a5344 c596724f 00000003 c596722c c5835ebc c5835e00 c01a664c c01b7770                                                                                                                                   
5e00: c596724f c5967350 00000000 00000001 c0059304 c0059184 c5835e3c c5835e28                                                                                                                                   
5e20: c030b3d8 c00b0998 c0059184 60000013 c5835e74 c5835e40 c00b115c c00a9c4c                                                                                                                                   
5e40: c030b3d8 0000008c c5835e48 c5835e48 c5835e50 c0059304 60000013 60000013                                                                                                                                   
5e60: c5834000 60000013 c5835e8c c5835e78 c030b3d8 c00b0998 c0059304 c0059304                                                                                                                                   
5e80: c5835eac c5835e90 c030a284 c030b3ac c0059184 c596724f c596734f c596722c   
   5ea0: 00000001 c0059184 c0059304 c596722c c5835ef4 c5835ec0 c01a22b4 c01a5a24                                                                                                                                   
5ec0: c030a284 c0059190 c0059184 c0059304 c0059184 c0059184 00000003 00000008                                                                                                                                   
5ee0: 00000100 000000ff c5835f0c c5835ef8 c01a232c c01a219c c5cf3674 00000100                                                                                                                                   
5f00: c5835f4c c5835f10 c01ba150 c01a22fc c03c1d30 c0059184 c0063a78 03001d30                                                                                                                                   
5f20: 00000000 c5f3bdf8 00000000 c5834000 c03be29c 00000000 00000036 00000000                                                                                                                                   
5f40: c5835f7c c5835f50 c00b3c8c c01b9eb8 00000036 00000036 c5f3bdf8 c03be220                                                                                                                                   
5f60: c03be29c c5834000 00000000 60000013 c5835f9c c5835f80 c00b42b8 c00b3c2c                                                                                                                                   
5f80: c5834000 c03be220 00000036 c03be29c c5835fcc c5835fa0 c00b4a54 c00b4270                                                                                                                                   
5fa0: c03be220 00000032 c5834000 c03be220 c04d1c34 c00b4980 00000000 00000000                                                                                                                                   
5fc0: c5835ff4 c5835fd0 c009d818 c00b4990 ffffffff ffffffff 00000000 00000000                                                                                                                                   
5fe0: 00000000 00000000 00000000 c5835ff8 c008a4f4 c009d738 20202020 00202020                                                                                                                                   
Backtrace:                                                                                                                                                                                                      
[<c006e0f4>] (__bug+0x0/0x30) from [<c030a6ac>] (rt_spin_lock_slowlock+0xb0/0x1e4)                                                                                                                              
[<c030a5fc>] (rt_spin_lock_slowlock+0x0/0x1e4) from [<c030a9d4>] (__lock_text_start+0x14/0x18)                                                                                                                  
 r8 = 00000001  r7 = C0059184  r6 = C0059184  r5 = C5CF3674                                                                                                                                                     
 r4 = C5F0F998                                                                                                                                                                                                  
[<c030a9c0>] (__lock_text_start+0x0/0x18) from [<c01b77b0>] (uart_flush_buffer+0x50/0x84)                                                                                                                       
[<c01b7760>] (uart_flush_buffer+0x0/0x84) from [<c01a664c>] (n_tty_receive_buf+0xc38/0xe84)                                                                                                                     
 r6 = C596722C  r5 = 00000003  r4 = C596724F                                                                                                                                                                    
[<c01a5a14>] (n_tty_receive_buf+0x0/0xe84) from [<c01a22b4>] (flush_to_ldisc+0x128/0x160)
     [<c01a218c>] (flush_to_ldisc+0x0/0x160) from [<c01a232c>] (tty_flip_buffer_push+0x40/0x44)                                                                                                                      
[<c01a22ec>] (tty_flip_buffer_push+0x0/0x44) from [<c01ba150>] (pl010_int+0x2a8/0x518)                                                                                                                          
 r5 = 00000100  r4 = C5CF3674                                                                                                                                                                                   
[<c01b9ea8>] (pl010_int+0x0/0x518) from [<c00b3c8c>] (handle_IRQ_event+0x70/0x104)                                                                                                                              
[<c00b3c1c>] (handle_IRQ_event+0x0/0x104) from [<c00b42b8>] (thread_simple_irq+0x58/0xa0)                                                                                                                       
[<c00b4260>] (thread_simple_irq+0x0/0xa0) from [<c00b4a54>] (do_irqd+0xd4/0x2f0)                                                                                                                                
 r7 = C03BE29C  r6 = 00000036  r5 = C03BE220  r4 = C5834000                                                                                                                                                     
[<c00b4980>] (do_irqd+0x0/0x2f0) from [<c009d818>] (kthread+0xf0/0x12c)                                                                                                                                         
[<c009d728>] (kthread+0x0/0x12c) from [<c008a4f4>] (do_exit+0x0/0x814)                                                                                                                                          
 r7 = 00000000  r6 = 00000000  r5 = 00000000  r4 = 00000000                                                                                                                                                     
Code: e1a01000 e59f000c eb0067f9 e3a03000 (e5833000)                                                                                                                                                            
note: IRQ-54[795] exited with preempt_count 1                                                                                                                                                                   
BUG: sleeping function called from invalid context IRQ-54(795) at fs/inode.c:246                                                                                                                                
in_atomic():1 [00000001], irqs_disabled():0                                                                                                                                                                     
[<c006e728>] (dump_stack+0x0/0x28) from [<c0081b40>] (__might_sleep+0xf8/0x11c)                                                                                                                                 
[<c0081a48>] (__might_sleep+0x0/0x11c) from [<c00f0688>] (clear_inode+0x24/0x10c)                                                                                                                               
 r6 = C568F98C  r5 = C5690440  r4 = C5690440                                                                                                                                                                    
[<c00f0664>] (clear_inode+0x0/0x10c) from [<c010eba8>] (proc_delete_inode+0x54/0x58)                                                                                                                            
 r4 = 00000000                                                                                                                                                                                                  
[<c010eb54>] (proc_delete_inode+0x0/0x58) from [<c00f0808>] (generic_delete_inode+0x98/0x124)
   r5 = C5690440  r4 = C010EB54                                                                                                                                                                                   
[<c00f0770>] (generic_delete_inode+0x0/0x124) from [<c00efd78>] (iput+0x94/0xa8)                                                                                                                                
 r5 = C5690440  r4 = C5690440                                                                                                                                                                                   
[<c00efce4>] (iput+0x0/0xa8) from [<c00ed35c>] (dentry_iput+0xbc/0xd8)                                                                                                                                          
 r4 = C568F984                                                                                                                                                                                                  
[<c00ed2a0>] (dentry_iput+0x0/0xd8) from [<c00ee600>] (prune_one_dentry+0x80/0xb4)                                                                                                                              
 r5 = C568F984  r4 = C03CE0FC                                                                                                                                                                                   
[<c00ee580>] (prune_one_dentry+0x0/0xb4) from [<c00ee870>] (prune_dcache+0x120/0x1c0)                                                                                                                           
 r5 = C568F984  r4 = C568F9E8                                                                                                                                                                                   
[<c00ee750>] (prune_dcache+0x0/0x1c0) from [<c00ee994>] (shrink_dcache_parent+0x2c/0x130)                                                                                                                       
[<c00ee968>] (shrink_dcache_parent+0x0/0x130) from [<c011043c>] (proc_flush_task+0x58/0x1e4)                                                                                                                    
[<c01103e4>] (proc_flush_task+0x0/0x1e4) from [<c0089818>] (release_task+0x358/0x394)                                                                                                                           
[<c00894c0>] (release_task+0x0/0x394) from [<c008ac28>] (do_exit+0x734/0x814)                                                                                                                                   
 r8 = C5DE8140  r7 = C04CFB40  r6 = 00000040  r5 = C5DE8060                                                                                                                                                     
 r4 = C5835BC4                                                                                                                                                                                                  
[<c008a4f4>] (do_exit+0x0/0x814) from [<c006e5fc>] (die+0x238/0x2ac)                                                                                                                                            
[<c006e3c4>] (die+0x0/0x2ac) from [<c0070c18>] (__do_kernel_fault+0x70/0x80)                                                                                                                                    
[<c0070ba8>] (__do_kernel_fault+0x0/0x80) from [<c0070e34>] (do_page_fault+0x20c/0x238)                                                                                                                         
 r7 = C5DE8060  r6 = 00000817  r5 = C03C3400  r4 = FFFFFFFF                                                                                                                                                     
[<c0070c28>] (do_page_fault+0x0/0x238) from [<c0070fe0>] (do_DataAbort+0x3c/0xa0)
[<c0070fa4>] (do_DataAbort+0x0/0xa0) from [<c0069840>] (__dabt_svc+0x40/0x60)                                                                                                                                   
 r8 = 00000001  r7 = C0059184  r6 = C5834000  r5 = C5835D3C                                                                                                                                                     
 r4 = FFFFFFFF                                                                                                                                                                                                  
[<c006e0f4>] (__bug+0x0/0x30) from [<c030a6ac>] (rt_spin_lock_slowlock+0xb0/0x1e4)                                                                                                                              
[<c030a5fc>] (rt_spin_lock_slowlock+0x0/0x1e4) from [<c030a9d4>] (__lock_text_start+0x14/0x18)                                                                                                                  
 r8 = 00000001  r7 = C0059184  r6 = C0059184  r5 = C5CF3674                                                                                                                                                     
 r4 = C5F0F998                                                                                                                                                                                                  
[<c030a9c0>] (__lock_text_start+0x0/0x18) from [<c01b77b0>] (uart_flush_buffer+0x50/0x84)                                                                                                                       
[<c01b7760>] (uart_flush_buffer+0x0/0x84) from [<c01a664c>] (n_tty_receive_buf+0xc38/0xe84)                                                                                                                     
 r6 = C596722C  r5 = 00000003  r4 = C596724F                                                                                                                                                                    
[<c01a5a14>] (n_tty_receive_buf+0x0/0xe84) from [<c01a22b4>] (flush_to_ldisc+0x128/0x160)                                                                                                                       
[<c01a218c>] (flush_to_ldisc+0x0/0x160) from [<c01a232c>] (tty_flip_buffer_push+0x40/0x44)                                                                                                                      
[<c01a22ec>] (tty_flip_buffer_push+0x0/0x44) from [<c01ba150>] (pl010_int+0x2a8/0x518)                                                                                                                          
 r5 = 00000100  r4 = C5CF3674                                                                                                                                                                                   
[<c01b9ea8>] (pl010_int+0x0/0x518) from [<c00b3c8c>] (handle_IRQ_event+0x70/0x104)                                                                                                                              
[<c00b3c1c>] (handle_IRQ_event+0x0/0x104) from [<c00b42b8>] (thread_simple_irq+0x58/0xa0)                                                                                                                       
[<c00b4260>] (thread_simple_irq+0x0/0xa0) from [<c00b4a54>] (do_irqd+0xd4/0x2f0)                                                                                                                                
 r7 = C03BE29C  r6 = 00000036  r5 = C03BE220  r4 = C5834000                                                                                                                                                     
[<c00b4980>] (do_irqd+0x0/0x2f0) from [<c009d818>] (kthread+0xf0/0x12c)                                                                                                                                         
[<c009d728>] (kthread+0x0/0x12c) from [<c008a4f4>] (do_exit+0x0/0x814)    
 r7 = 00000000  r6 = 00000000  r5 = 00000000  r4 = 00000000                                                                                                                                                     
---------------------------                                                                                                                                                                                     
| preempt count: 00000001 ]                                                                                                                                                                                     
| 1-level deep critical section nesting:                                                                                                                                                                        
----------------------------------------                                                                                                                                                                        
.. [<c030af74>] .... __spin_lock_irqsave+0x2c/0x3c                                                                                                                                                              
.....[<c030a62c>] ..   ( <= rt_spin_lock_slowlock+0x30/0x1e4)                                                                                                                                                   
                                                                                                                                                                                                                
stopped custom tracer.                                                                                                                                                                                          
BUG: spinlock cpu recursion on CPU#0, login/1665                                                                                                                                                                
 lock: c5cf3674, .magic: dead4ead, .owner: kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk0
[<c006e728>] (dump_stack+0x0/0x28) from [<c0188ecc>] (spin_bug+0x94/0xd0)                                                                                                                                       
[<c0188e38>] (spin_bug+0x0/0xd0) from [<c030b81c>] (_raw_spin_lock+0x60/0x120)                                                                                                                                  
 r6 = C595E000  r5 = 60000013  r4 = C5CF3674                                                                                                                                                                    
[<c030b7bc>] (_raw_spin_lock+0x0/0x120) from [<c030af7c>] (__spin_lock_irqsave+0x34/0x3c)                                                                                                                       
 r8 = 00000000  r7 = C0059190  r6 = C0059184  r5 = 60000013                                                                                                                                                     
 r4 = C5CF3674                                                                                                                                                                                                  
[<c030af48>] (__spin_lock_irqsave+0x0/0x3c) from [<c030a62c>] (rt_spin_lock_slowlock+0x30/0x1e4)                                                                                                                
 r5 = C5CF3674  r4 = C5F0F998                                                                                                                                                                                   
[<c030a5fc>] (rt_spin_lock_slowlock+0x0/0x1e4) from [<c030a9d4>] (__lock_text_start+0x14/0x18) 
 r8 = 00000000  r7 = C0059190  r6 = C0059184  r5 = C5CF3674                                                                                                                                                     
 r4 = C5F0F998                                                                                                                                                                                                  
[<c030a9c0>] (__lock_text_start+0x0/0x18) from [<c01b77b0>] (uart_flush_buffer+0x50/0x84)                                                                                                                       
[<c01b7760>] (uart_flush_buffer+0x0/0x84) from [<c01a27c0>] (do_tty_hangup+0x108/0x390)                                                                                                                         
 r6 = C0059184  r5 = C599BB40  r4 = C0059400                                                                                                                                                                    
[<c01a26b8>] (do_tty_hangup+0x0/0x390) from [<c01a2a60>] (tty_vhangup+0x18/0x1c)                                                                                                                                
[<c01a2a48>] (tty_vhangup+0x0/0x1c) from [<c01a2ae0>] (disassociate_ctty+0x7c/0x1e8)                                                                                                                            
[<c01a2a64>] (disassociate_ctty+0x0/0x1e8) from [<c008a7c4>] (do_exit+0x2d0/0x814)                                                                                                                              
 r7 = 00000001  r6 = C04EE73C  r5 = C599BB40  r4 = 00000000                                                                                                                                                     
[<c008a4f4>] (do_exit+0x0/0x814) from [<c008ad98>] (do_group_exit+0x90/0x98)                                                                                                                                    
[<c008ad08>] (do_group_exit+0x0/0x98) from [<c009556c>] (get_signal_to_deliver+0x35c/0x3bc)                                                                                                                     
 r7 = C595E000  r6 = 00000000  r5 = 00000008  r4 = 00000009                                                                                                                                                     
[<c0095210>] (get_signal_to_deliver+0x0/0x3bc) from [<c006cc0c>] (do_signal+0x74/0x4d8)                                                                                                                         
[<c006cb98>] (do_signal+0x0/0x4d8) from [<c006d0a0>] (do_notify_resume+0x30/0x34)                                                                                                                               
[<c006d070>] (do_notify_resume+0x0/0x34) from [<c0069d8c>] (work_pending+0x1c/0x20)                                                                                                                             
---------------------------                                                                                                                                                                                     
| preempt count: 00000001 ]                                                                                                                                                                                     
| 1-level deep critical section nesting:                                                                                                                                                                        
----------------------------------------                                                                                                                                                                        
.. [<c030af74>] .... __spin_lock_irqsave+0x2c/0x3c             
.....[<c030a62c>] ..   ( <= rt_spin_lock_slowlock+0x30/0x1e4)                                                                                                                                                   
                                                                                                                                                                                                                
+... Read from 0x11fe0000-0x11ffffff to 0x03fe0000:                                                                                                                                                             
... Read from 0x11fff000-0x11ffffff to 0x03fdf000: