[U-Boot] Error uncompressing kernel image

[Michael Lawnick]

Alemao said the following:
>     return Z_MEM_ERROR;
> --------
> 
> Any ideas why this is happening?
Out of memory.

You don't tell us processor architecture/type. In my case (PPC, u-boot
1.3.3 ff) I'd take a look into include/configs/<board>.h and would
increase the constant CONFIG_SYS_MALLOC_LEN

HTH
-- 

Michael