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DM3730: System instability, Error Message : pid: 1183, tid: 1183 >>> /system/bin/devmem2 <<<

Upton Chao
Prodigy 60 points

Part Number: DM3730

Hi

System instability,

I have no idea about below message !!

I remove all periphery module(like, 3G, USB phy, etc....), but message still present.



I/DEBUG ( 1171): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
I/DEBUG ( 1171): Build fingerprint: 'Bolymin/BE905AF7/BE905AF7:2.3.4/C1.03/1.4:20180109/test-keys'
I/DEBUG ( 1171): pid: 1183, tid: 1183 >>> /system/bin/devmem2 <<<
I/DEBUG ( 1171): signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 00002000
I/DEBUG ( 1171): r0 00001fff r1 00000002 r2 00002000 r3 00000001
I/DEBUG ( 1171): r4 00009a44 r5 00000001 r6 00000004 r7 00000000
I/DEBUG ( 1171): r8 b001b1d0 r9 b001b424 10 b00094c4 fp b001a644
I/DEBUG ( 1171): ip 000084b8 sp befa8b90 lr b0003595 pc 00002000 cpsr 00000010
I/DEBUG ( 1171): d0 0000000000000000 d1 0000000000000000
I/DEBUG ( 1171): d2 0000000000000000 d3 0000000000000000
I/DEBUG ( 1171): d4 0000000000000000 d5 0000000000000000
I/DEBUG ( 1171): d6 0000000000000000 d7 0000000000000000
I/DEBUG ( 1171): d8 0000000000000000 d9 0000000000000000
I/DEBUG ( 1171): d10 0000000000000000 d11 0000000000000000
I/DEBUG ( 1171): d12 0000000000000000 d13 0000000000000000
I/DEBUG ( 1171): d14 0000000000000000 d15 0000000000000000
I/DEBUG ( 1171): d16 0000000000000000 d17 0000000000000000
I/DEBUG ( 1171): d18 0000000000000000 d19 0000000000000000
I/DEBUG ( 1171): d20 0000000000000000 d21 0000000000000000
I/DEBUG ( 1171): d22 0000000000000000 d23 0000000000000000
I/DEBUG ( 1171): d24 0000000000000000 d25 0000000000000000
I/DEBUG ( 1171): d26 0000000000000000 d27 0000000000000000
I/DEBUG ( 1171): d28 0000000000000000 d29 0000000000000000
I/DEBUG ( 1171): d30 0000000000000000 d31 0000000000000000
I/DEBUG ( 1171): scr 00000000
I/DEBUG ( 1171):
I/DEBUG ( 1171): #00 pc 00002000
I/DEBUG ( 1171): #01 lr b0003595 /system/bin/linker
I/DEBUG ( 1171):
I/DEBUG ( 1171): code around pc:
I/DEBUG ( 1171): 00001fe0 ffffffff ffffffff ffffffff ffffffff
I/DEBUG ( 1171): 00001ff0 ffffffff ffffffff ffffffff ffffffff
I/DEBUG ( 1171): 00002000 ffffffff ffffffff ffffffff ffffffff
I/DEBUG ( 1171): 00002010 ffffffff ffffffff ffffffff ffffffff
I/DEBUG ( 1171): 00002020 ffffffff ffffffff ffffffff ffffffff
I/DEBUG ( 1171):
I/DEBUG ( 1171): code around lr:
I/DEBUG ( 1171): b0003574 1e4be004 0483eb00 33fff04f 460d009e
I/DEBUG ( 1171): b0003584 6822e007 1e5019a4 0f03f110 4790d800
I/DEBUG ( 1171): b0003594 2d003d01 bd70dcf5 4604b510 00e8f8d0
I/DEBUG ( 1171): b00035a4 f8d4b120 220110ec ffdef7ff 30f4f8d4
I/DEBUG ( 1171): b00035b4 4798b103 bf00bd10 4c05b510 447c2001
I/DEBUG ( 1171):
I/DEBUG ( 1171): stack:
I/DEBUG ( 1171): befa8b50 00008418 /system/bin/devmem2
I/DEBUG ( 1171): befa8b54 00000000
I/DEBUG ( 1171): befa8b58 00009b80 /system/bin/devmem2
I/DEBUG ( 1171): befa8b5c b0003ac9 /system/bin/linker
I/DEBUG ( 1171): befa8b60 000083ad /system/bin/devmem2
I/DEBUG ( 1171): befa8b64 b001b1d0
I/DEBUG ( 1171): befa8b68 b001b424
I/DEBUG ( 1171): befa8b6c b00094c4 /system/bin/linker
I/DEBUG ( 1171): befa8b70 00000003
I/DEBUG ( 1171): befa8b74 b0009ae8 /system/bin/linker
I/DEBUG ( 1171): befa8b78 000084b8 /system/bin/devmem2
I/DEBUG ( 1171): befa8b7c 0000830c /system/bin/devmem2
I/DEBUG ( 1171): befa8b80 000081cc /system/bin/devmem2
I/DEBUG ( 1171): befa8b84 000083ac /system/bin/devmem2
I/DEBUG ( 1171): befa8b88 df002777
I/DEBUG ( 1171): befa8b8c e3a070ad
I/DEBUG ( 1171): #00 befa8b90 b00099d0 /system/bin/linker
I/DEBUG ( 1171): befa8b94 00000000
I/DEBUG ( 1171): befa8b98 00000000
I/DEBUG ( 1171): befa8b9c b0003639 /system/bin/linker
I/DEBUG ( 1171): befa8ba0 00009b04 /system/bin/devmem2
I/DEBUG ( 1171): befa8ba4 00000000
I/DEBUG ( 1171): befa8ba8 00000000
I/DEBUG ( 1171): befa8bac b001b1d0
I/DEBUG ( 1171): befa8bb0 b001b424
I/DEBUG ( 1171): befa8bb4 b00099d0 /system/bin/linker
I/DEBUG ( 1171): befa8bb8 00000000
I/DEBUG ( 1171): befa8bbc b0004cbf /system/bin/linker
I/DEBUG ( 1171): befa8bc0 b00099d0 /system/bin/linker
I/DEBUG ( 1171): befa8bc4 befa8bdc [stack]
I/DEBUG ( 1171): befa8bc8 00000001
I/DEBUG ( 1171): befa8bcc b000726e /system/bin/linker
I/DEBUG ( 1171): befa8bd0 0000000b
I/DEBUG ( 1171): befa8bd4 b0004d81 /system/bin/linker











								


				
				

				
			

		

			
						
									
                			    			            
						
						
			
			
			
			                        
			

				

			


			

		


				    			

						

















	

	

					
    
	
    





		
	
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                          TI__Guru
                        65405 points
                      
    
                          
                   		
		
    
					
    Hi Upton Chao,
     
     Could you specify what SW running on your board? Is it an official TI's release and did you made some changes?
     If you have access to command prompt execute the command:
     ps -x | grep 1183
     which will give you the process name.
     
     BR
     Tsvetolin Shulev
    
			
    

		
		
		
		
	
    
	
    
		
    
			
		
    
	
    

	            
                 	
	
    
				
		                
                
                
                
                
                
                
        		
		
				
    
			
		
    
		
		 
		
		
     
    
	
    

    
			
    
			
    
		
    

		
    
	
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						in reply to Cvetolin Shulev-XID
					
									
    
	
    
	                                    
                      
    
                        
                          Prodigy
                        60 points
                      
    
                          
                   		
		
    
					
    Hi Tsvetolin Shulev,
    

    

    Thank you for your prompt reply,
    

    

    I follow this document "TI_Android_GingerBread_2_3_4_DevKit_2_1_porting_Guides" to setup and porting.
    

    Those error message sent out non stop, and pid number increase every time.
    

     Follow below step and i found some interesting:
    

    1. Power on the board.
    

    2. Idle 1 minute or more(error message sent out non stop in this step).
    

    3. Power off the board, immediately Power on it.
    

    4. Error message will disappear.
    

    5. Cooling CPU(Use cooling fan).
    

    6. Error message return.
    

    Could you help me with this issue. thank you very much.
    
			
    

		
		
		
		
	
    
	
    
		
    
			
		
    
	
    

	            
                	
	
    
				
		                
                
                
                
                
                
                
        		
		
				
    
			
		
    
		
		 
		
		
     
    
	
    

    
			
    
			
    
		
    

		
    
	
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						in reply to Upton Chao
					
									
    
	
    
	                                    
                      
    
                        
                          TI__Guru
                        65405 points
                      
    
                          
                   		
		
    
					
    Upton,
    

    
As the issue appearance depends on the cooling (CPU temperature) seems this is hardware related but I only guessing for the reason - voltage drop, issue with regulators or something else.
    

    
BR
    
Tsvetolin Shulev
    
			
    

		
		
		
		
	
    
	
    
		
    
			
		
    
	
    

	            
                 	
	
    
				
		                
                
                
                
                
                
                
        		
		
				
    
			
		
    
		
		 
		
		
     
    
	
    

    
			
    
			
    
		
    

		
    
	
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