End Kernel Panic - not syncing: attempted to kill init! exitcode=0x00007f00 in QSPI

In UBoot i followed the procedure which is mentioned in this Link . It's working upto loading the required booting images(QSPI) but after when i changed boot mode to 1 and reset the board atlast its showing the following error, i wasn't able to get the login promt also

Error: 

End Kernel Panic - not syncing: attempted to kill init! exitcode=0x00007f00

Hopefully i will get a solution

Thanks,

Sushindren