I am getting following error.Please guide me . I am trying to port kernel from 3.11 to 4.9

[mahesh_bhagoji]

 LOGO : The logo _flag =0                                                       
In:    serial                                                                   
Out:   serial                                                                   
Err:   serial                                                                   
Found PFUZE100 deviceid=10,revid=11                                             
000f: 70 05    p.                                                               
                                                                                
ch_per = 87  %                                                                  
                                                                                
MIT ZYNQ reboot                                                                 
check_and_clean: reg 0, flag_set 0                                              
Fastboot: Normal                                                                
flash target is SATA                                                            
AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl SATA mode                       
flags: ncq stag pm led clo only pmp pio slum part                               
SATA Device Info:                                                               
S/N: 50026B724114B0EF                                                           
Product model number: KINGSTON SMS200S330G                                      
Firmware version: 524ABBF0                                                      
Capacity: 58626288 sectors                                                      
Net:   Phy not found                                                            
FEC [PRIME]                                                                     
Warning: failed to set MAC address                                              
                                                                                
Normal Boot                                                                     
Hit any key to stop autoboot:  0                                                
AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl SATA mode                       
flags: ncq stag pm led clo only pmp pio slum part                               
SATA Device Info:                                                               
S/N: 50026B724114B0EF                                                           
Product model number: KINGSTON SMS200S330G                                      
Firmware version: 524ABBF0                                                      
Capacity: 58626288 sectors                                                      
reading uramdisk.img                                                            
727254 bytes read in 13 ms (53.4 MiB/s)                                         
reading uImage                                                                  
9781728 bytes read in 88 ms (106 MiB/s)                                         
reading imx6q-sabresd-ldo.dtb                                                   
52452 bytes read in 8 ms (6.3 MiB/s)                                            
## Booting kernel from Legacy Image at 12000000 ...                             
   Image Name:   Linux-4.9.17-03714-g7e8c41b                                    
   Image Type:   ARM Linux Kernel Image (uncompressed)                          
   Data Size:    9781664 Bytes = 9.3 MiB                                        
   Load Address: 10008000                                                       
   Entry Point:  10008000                                                       
   Verifying Checksum ... OK                                                    
Wrong Ramdisk Image Format                                                      
Ramdisk image is corrupt or invalid                                             
=>

[gusarambula]

Hello Mahesh Bhagoji,

Porting a Kernel version is not a trivial task as there are many variables. There is already a 4.9 official BSP and community BSP for the i.MX6 and i.MX7 that may be of help if you want to use one of those Kernels instead of porting it by yourself.

Regards,