Originally Posted by knc1
Because I think the DX is one of the machines which alternates between the two boot image files on the machine with each hard re-start.
The image files look as if they have two (2) complete sets of U-Boot environment and kernel images.
All stored in a device physically different than the device that has your broken system image.
says here that one of the two kernels is for update mode, which is used for flashing an updated kernel for normal boot mode:
In which case it is probably not alternating between boots