我构建了一个大于16 MB的ramdisk映像。下载ramdisk映像U-boot打印后：
## Loading init Ramdisk from Legacy Image at 03000000 ...
Image Name: uboot ext4 ramdisk rootfs
Created: 2018-01-24 8:15:12 UTC
Image Type: AArch64 Linux RAMDisk Image (gzip compressed)
Data Size: 38319491 Bytes = 36.5 MiB
Load Address: 00000000
Entry Point: 00000000
Verifying Checksum ... OK
## Flattened Device Tree blob at 01000000
Booting using the fdt blob at 0x1000000
Loading Ramdisk to 3d567000, end 3f9f2583 ... OK
Using Device Tree in place at 0000000001000000, end 000000000100c554
Starting kernel ...
Timer summary in microseconds:
Mark Elapsed Stage
0 0 reset
1,106,000 1,106,000 id=64
1,437,000 331,000 id=65
1,445,000 8,000 main_loop
102,482,800,0,02,338,300,0, id=80
102,482,800,0 0 tftp_start
102,482,800,0, 0 eth_start
102,985,300,0, 5,025,000 id=81
102,985,300,0 0 id=84
102,985,300,0 0 id=82
102,985,300,0 0 tftp_done
104,389,500,0,14,042,000 bootm_start
104,734,100,0, 3,446,000 id=9
104,734,100,0 0 id=10
105,199,700,0 4,656,000 id=11
105,200,400,0 7,000 id=12
105,821,800,0 6,214,000 id=15
105,822,000,0 2,000 start_kernel
166,835,917,366,575,094,88166,835,917,355,992,894,88 board_init_f
Accumulated time:
=============================================== ===================
内核正在挂起。 但是如果ramdisk映像小于16 MB，则可以正常工作。 我该怎么做才能解决这个问题？