[Buildroot] Verifying Checksum ... Bad Data CRC

Wed Jan 27 14:20:10 UTC 2016

Hi, when i configure linux kernel, on kernel features -> preemption model,
i had "No forced preemption" and the boot was working fine. But when i want
to change the option to "Preemptible Kernel", i want to boot again and i
get this:

NAND read: device 0 offset 0x180000, size 0x10000
 65536 bytes read: OK

NAND read: device 0 offset 0x200000, size 0x380000
 3670016 bytes read: OK
## Booting kernel from Legacy Image at 22000000 ...
   Image Name:   Linux-4.1.0-linux4sam_5.0
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    3730848 Bytes = 3.6 MiB
   Load Address: 20008000
   Entry Point:  20008000
   Verifying Checksum ... Bad Data CRC
ERROR: can't get kernel image!

How can i make my kernel preemptible?

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