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Unable to get the shell prompt on beagle bone board A6a

Hi,

Just 2 days back I received the new beagle bone board Rev A6 a. S/N 0413BB000309.

As well as I received the MicroSD card loaded with armstong kernel, uboot ,MLO etc... I simply inserted the same card in the board and connect the usb cable to Linux host machine. Linux host machine uses minicom utility and through whitch i captured the following log information.

U-Boot SPL 2011.09-00053-gb423c52 (Aug 10 2012 - 11:26:55)
Texas Instruments Revision detection unimplemented
No daughter card present
No AC power, disabling frequency switch
OMAP SD/MMC: 0
reading u-boot.img
reading u-boot.img


U-Boot 2011.09-00053-gb423c52 (Aug 10 2012 - 11:26:55)

I2C:   ready
DRAM:  256 MiB
WARNING: Caches not enabled
No daughter card present
NAND:  HW ECC Hamming Code selected
No NAND device found!!!
0 MiB
MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Warning - readenv() failed, using default environment

Net:   cpsw
Hit any key to stop autoboot:  0
SD/MMC found on device 0
reading uEnv.txt                                                                                                      
                                                                                                                      
33 bytes read                                                                                                         
Loaded environment from uEnv.txt                                                                                      
Importing environment from mmc ...                                                                                    
Loading file "/boot/uImage" from mmc device 0:2 xxa2                                                                  
3489560 bytes read                                                                                                    
## Booting kernel from Legacy Image at 80007fc0 ...                                                                   
   Image Name:   Angstrom/3.2.34/beaglebone                                                                           
   Image Type:   ARM Linux Kernel Image (uncompressed)                                                                
   Data Size:    3489496 Bytes = 3.3 MiB                                                                              
   Load Address: 80008000                                                                                             
   Entry Point:  80008000                                                                                             
   Verifying Checksum ... OK                                                                                          
   XIP Kernel Image ... OK                                                                                            
OK                                                                                                                    
                                                                                                                      
Starting kernel ...                                                                                                   
                                                                                                                      
Uncompressing Linux... done, booting the kernel.                                                                      
systemd-fsck[60]: Angstrom-Cloud9-: clean, 79332/218592 files, 373269/873534 blocks                                   
[    8.983886] musb_g_ep0_irq 720: SetupEnd came in a wrong ep0stage setup                                            
                                                                                                                      
.---O---.                                           
|       |                  .-.           o o        
|   |   |-----.-----.-----.| |   .----..-----.-----.
|       |     | __  |  ---'| '--.|  .-'|     |     |
|   |   |  |  |     |---  ||  --'|  |  |  '  | | | |
'---'---'--'--'--.  |-----''----''--'  '-----'-'-'-'
                -'  |
                '---'

The Angstrom Distribution beaglebone ttyO0

Angstrom v2012.05 - Kernel 3.2.34

beaglebone login: root

After entering root as login and pressed enter .... Cursor is shifted to the next line but not proceed further. I am expecting shell prompt here.

I am new to the linux ... Please help me resolve this issue.

One anther thing is  I inserted the same Micro SD card to anther beaglebone board with A3 version. and in this i am able to get the shell prompt after entering login as root.

Thanks in advance.

Kinjal shah