Error to flash jetpack 6 on reComputer Industrial J4012 board

I have a problem with the reComputer Industrial J4012 board , following the guide provided to flash jetpack 6.0 I get an error at the end of flashing.

Sha1 checksum matched for /mnt/internal/qspi_bootblob_ver.txt
Writing /mnt/internal/qspi_bootblob_ver.txt (109 bytes) into  /dev/mtd0:66977792
Copied 109 bytes from /mnt/internal/qspi_bootblob_ver.txt to address 0x03fe0000 in flash
Writing gpt_secondary_3_0.bin (parittion: secondary_gpt) into /dev/mtd0
Sha1 checksum matched for /mnt/internal/gpt_secondary_3_0.bin
Writing /mnt/internal/gpt_secondary_3_0.bin (16896 bytes) into  /dev/mtd0:67091968
Copied 16896 bytes from /mnt/internal/gpt_secondary_3_0.bin to address 0x03ffbe00 in flash
[ 224]: l4t_flash_from_kernel: Successfully flash the qspi
[ 224]: l4t_flash_from_kernel: Failed to write to APP
[ 224]: l4t_flash_from_kernel: The device size indicated in the partition layout xml is smaller than the actual size. This utility will try to fix the GPT.
[ 224]: l4t_flash_from_kernel: Error flashing external device
Flash failure
Either the device cannot mount the NFS server on the host or a flash command has failed. Debug log saved to /tmp/tmp.rjmv9SwY9A. You can access the target's terminal through "sshpass -p root ssh root@fc00:1:1:0::2"
Cleaning up...
fujitsu@fujitsu-ESPR

is this a known problem?

JP6 is quite tricky…

The host machine is AMD64 or Aarch64? It works best with AMD64 machine.
Personally I use an i5 Intel NUC with Ubuntu 18.04.

the host machine is Ubuntu 20.04 (version described in the guide prerequisites) with AMD64 architecture, I also tried with another machine with a newer version of Ubuntu but it always crashes at the same point.
unfortunately the same error happens with the instructions to flash jetpack5.1.1 (method 1)

I have one idea, but you have to

sudo apt install qemu-user-static sshpass abootimg nfs-kernel-server libxml2-utils binutils -y

Disclaimer: Use at Your Own Risk!

The idea comes from:

Is the normal J4012, and since you have errors regarding NFS server, might be useful!

Take care!

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Have you replaced the SSD? Is the ssd used in the device the one we shipped with installed?

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