Wrong Ramdisk Image Format - Ramdisk image is corrupt or invalid

[DMårt]

I tried to replace the uImage and .dtb file inside the starter package.

First I copied over the kernel and .dtb file.

sudo mount -o loop st-image-bootfs-openstlinux-weston-stm32mp1.ext4 /mnt/bootfs
sudo cp ../linux-6.1.82/build/arch/arm/boot/uImage  /mnt/bootfs/
sudo cp ../linux-6.1.82/build/arch/arm/boot/dts/stm32mp151a-stm32-computer-firmware-mx.dtb /mnt/bootfs
sudo umount /mnt/bootfs

 Then I booted the Linux kernel. See the log file log.txt. It stopped at the USB Hub decleration. So I guess that linux kernel was booted, but not initrd.

I tried to boot the system manually via U-boot and this happen.

STM32MP> part list mmc 0

Partition Map for MMC device 0  --   Partition Type: EFI

Part	Start LBA	End LBA		Name
	Attributes
	Type GUID
	Partition GUID
  1	0x00000400	0x000007ff	"metadata1"
	attrs:	0x0000000000000000
	type:	8a7a84a0-8387-40f6-ab41-a8b9a5a60d23
		(8a7a84a0-8387-40f6-ab41-a8b9a5a60d23)
	guid:	92f0b426-e174-4bac-9287-019e4f858971
  2	0x00000800	0x00000bff	"metadata2"
	attrs:	0x0000000000000000
	type:	8a7a84a0-8387-40f6-ab41-a8b9a5a60d23
		(8a7a84a0-8387-40f6-ab41-a8b9a5a60d23)
	guid:	31227fc6-8d76-4b65-a8be-90720614ecce
  3	0x00000c00	0x00002bff	"fip-a"
	attrs:	0x0000000000000000
	type:	19d5df83-11b0-457b-be2c-7559c13142a5
		(19d5df83-11b0-457b-be2c-7559c13142a5)
	guid:	4fd84c93-54ef-463f-a7ef-ae25ff887087
  4	0x00002c00	0x00004bff	"fip-b"
	attrs:	0x0000000000000000
	type:	19d5df83-11b0-457b-be2c-7559c13142a5
		(19d5df83-11b0-457b-be2c-7559c13142a5)
	guid:	09c54952-d5bf-45af-acee-335303766fb3
  5	0x00004c00	0x00004fff	"u-boot-env"
	attrs:	0x0000000000000000
	type:	3de21764-95bd-54bd-a5c3-4abe786f38a8
		(u-boot-env)
	guid:	2c809cbe-60fb-4bfd-abfb-20d86de1f22e
  6	0x00005000	0x00024fff	"bootfs"
	attrs:	0x0000000000000004
	type:	0fc63daf-8483-4772-8e79-3d69d8477de4
		(linux)
	guid:	b168bf89-4526-46f1-a200-9d9c2682a2ad
  7	0x00025000	0x0002cfff	"vendorfs"
	attrs:	0x0000000000000000
	type:	0fc63daf-8483-4772-8e79-3d69d8477de4
		(linux)
	guid:	a7b0fddd-33cf-4516-a2ec-5c4bc237d80e
  8	0x0002d000	0x0019cfff	"rootfs"
	attrs:	0x0000000000000000
	type:	0fc63daf-8483-4772-8e79-3d69d8477de4
		(linux)
	guid:	e91c4e10-16e6-4c0e-bd0e-77becf4a3582
  9	0x0019d000	0x00e8fbff	"userfs"
	attrs:	0x0000000000000000
	type:	0fc63daf-8483-4772-8e79-3d69d8477de4
		(linux)
	guid:	7bc0d1fe-94a1-461d-8ee4-bcefdcb68617

STM32MP> ext4ls mmc 0:6 /
<DIR>       2048 .
<DIR>       2048 ..
<DIR>      12288 lost+found
            4187 boot.scr.uimg
<DIR>       1024 mmc0_extlinux
<DIR>       1024 mmc1_extlinux
<DIR>       1024 nand0_extlinux
            7802 splash_landscape.bmp
           89462 splash_portrait.bmp
         6232362 st-image-resize-initrd
           65603 stm32mp135f-dk-a7-examples.dtb
           63622 stm32mp135f-dk.dtb
          127101 stm32mp157a-dk1.dtb
          135636 stm32mp157a-ev1.dtb
          130031 stm32mp157c-dk2-a7-examples.dtb
          130417 stm32mp157c-dk2-m4-examples.dtb
          129643 stm32mp157c-dk2.dtb
          122602 stm32mp157c-ed1.dtb
          136313 stm32mp157c-ev1-a7-examples.dtb
          136657 stm32mp157c-ev1-m4-examples.dtb
          136078 stm32mp157c-ev1.dtb
          127367 stm32mp157d-dk1-a7-examples.dtb
          128105 stm32mp157d-dk1-m4-examples.dtb
          127331 stm32mp157d-dk1.dtb
          135909 stm32mp157d-ev1.dtb
          130325 stm32mp157f-dk2-a7-examples.dtb
          130711 stm32mp157f-dk2-m4-examples.dtb
          129937 stm32mp157f-dk2.dtb
          122832 stm32mp157f-ed1.dtb
          136543 stm32mp157f-ev1-a7-examples.dtb
          136887 stm32mp157f-ev1-m4-examples.dtb
          136308 stm32mp157f-ev1.dtb
         8249920 uImage
           79018 stm32mp151a-stm32-computer-firmware-mx.dtb

STM32MP> ext4ls mmc 0:7 /
<DIR>       1024 .
<DIR>       1024 ..
<DIR>      12288 lost+found
<DIR>       1024 lib

STM32MP> ext4ls mmc 0:8 /
<DIR>       4096 .
<DIR>       4096 ..
<DIR>      16384 lost+found
<DIR>       4096 bin
<DIR>       4096 boot
<DIR>       4096 dev
<DIR>       4096 etc
<DIR>       4096 home
<DIR>       4096 lib
<DIR>       4096 media
<DIR>       4096 mnt
<DIR>       4096 proc
<DIR>       4096 run
<DIR>       4096 sbin
<DIR>       4096 srv
<DIR>       4096 sys
<DIR>       4096 tmp
<DIR>       4096 usr
<DIR>       4096 var
<DIR>       4096 vendor

STM32MP> ext4ls mmc 0:9 /
<DIR>       1024 .
<DIR>       1024 ..
<DIR>      12288 lost+found
<DIR>       1024 Cube-M4-examples
<DIR>       1024 Linux-A7-examples
<DIR>       1024 demo
<DIR>       1024 weston-start-at-startup

STM32MP> ext4load mmc 0:6 0xC2000000 /uImage
8249920 bytes read in 955 ms (8.2 MiB/s)
STM32MP> ext4load mmc 0:6 0xC4000000 /stm32mp151a-stm32-computer-firmware-mx.dtb
79018 bytes read in 78 ms (989.3 KiB/s)
STM32MP> ext4load mmc 0:6 0xC6000000 /st-image-resize-initrd
6232362 bytes read in 738 ms (8.1 MiB/s)

STM32MP> bootm 0xC2000000 0xC6000000 0xC4000000
## Booting kernel from Legacy Image at c2000000 ...
   Image Name:   Linux-6.1.82
   Created:      2024-08-26  20:05:23 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    8249856 Bytes = 7.9 MiB
   Load Address: c2000040
   Entry Point:  c2000040
   Verifying Checksum ... OK
Wrong Ramdisk Image Format
Ramdisk image is corrupt or invalid
STM32MP>

I also did use another address for the Ramdisk file. Same result.

STM32MP> ext4load mmc 0:6 0xC8000000 /st-image-resize-initrd
6232362 bytes read in 739 ms (8 MiB/s)
STM32MP> bootm 0xC2000000 0xC8000000 0xC4000000
## Booting kernel from Legacy Image at c2000000 ...
   Image Name:   Linux-6.1.82
   Created:      2024-08-26  20:05:23 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    8249856 Bytes = 7.9 MiB
   Load Address: c2000040
   Entry Point:  c2000040
   Verifying Checksum ... OK
Wrong Ramdisk Image Format
Ramdisk image is corrupt or invalid
STM32MP>

So that means that the Ramdisk file is corrupted. Notice that I have another hardware, the MP151 series, instead of the MP157 series. Perhaps I need to build my own initrd?

Yes. I have replace the "old" ramdisk file with a new ram disk file, and I still get the same error.

Question:

Is there any way for me to manually boot a correct image of initrd file by building my own?