基于38.2.1的/Linux_for_Tegra/tools/kernel_flash/flash_l4t_t264_nvme.xml，将A_reserved_on_user调整成15G和B_reserved_on_user调整成15G，可以烧录成功，看到nvme0n1p7 259:8 0 15G 0 part，nvme0n1p13 259:14 0 15G 0 part 是没有问题的。将A_reserved_on_user调整成20G和B_reserved_on_user调整成20G，系统烧录会失败，请问是什么原因，能否解决。
Hi @mingkuo2010,
I hope you are doing well.
This is an interesting situation. When you assign 20GB per X_reserved_on_user partition, you may be exceeding the total size of the NVMe and the flashing reports:
Flashing failed and target was not bricked as per configuration.
However, when assinging the 15GB the flashing succeeds.
You may want to check this wiki page for guidance on adjusting partition sizes without exceeding the NVMe capacity. How to add a custom partition layout to NVIDIA Jetson platform.. It shows an example of adding a 20GB partition and reducing the size of the APP partition to accomodate it.
Additionally, could you please share the output of the following command with X_reserved_on_user set to 15GB?
lsblk -o NAME,SIZE,TYPE,MOUNTPOINT,PARTLABEL
This will help me understand the current partition layout and available space on APP, so we can determine whether the NVMe size is the limiting factor.
Best regards,
Nico
Embedded Software Engineer at ProventusNova
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