Can’t backup jetson-agx-orin-devkit due to boot-up timeout for jp5.1.1/agx orin 32G

Robotics & Edge Computing Jetson & Embedded Systems Jetson AGX Orin
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Hi nv team,
I need to backup image for jp5.1.1/agx orin 32G.

refer to the guide below:
JetPack_5.1.1_Linux_JETSON_AGX_ORIN_TARGETS\Linux_for_Tegra\tools\backup_restore\README_backup_restore.txt

when the device is rcm mode, the backup cmd is:
sudo ./tools/backup_restore/l4t_backup_restore.sh -b -c jetson-agx-orin-devkit

then there is timeout during “Waiting for target to boot-up…”

base on this same host env, I already backup image for jp5.0.2/xavier nx successfully.

how to solve this issue?
flash_3-1.4_0_20240222-165012.log (7.5 KB)

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Dump the log, please:

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This problem is encountered at self-developed carrier board.

It should be eeprom issue because of eeprom_read_size.
when I modify to cvb_eeprom_read_size = <0x0> of Linux_for_Tegra/bootloader/tegra234-mb2-bct-common.dtsi,
the backup progress is successful.

thanks a lot.

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