We are currently on Jetpack 4.4.1 with our xavier nx deployment. The process is as follows: Flash 4.4.1 to eMMC on SoMs in office using massflash Ship SoMs to factory, SoMs and NVMes are installed into carrier board and assembled into enclosure. At this point the SoM is thermally bound to enclosur…

[image] KevinFFF: Try the following command after you finish l4t_initrd_flash.sh to switch your board booting from NVMe. $ sudo ./flash.sh jetson-xavier-nx-devkit nvme0n1p1 Have you tried this? This command would not flash into NVMe (so you need to use l4t_initrd_flash.sh first to flash NVM…

I am not sure if you are working with 4.x or 5.0.2 here. I have only experience with the 5.0.2 currently, so disregard this if you’re on an earlier version. What is failing there would usually look like this: Setting "FDT /boot/dtb/kernel_tegra194-....dtb" successfully in the extlinux.conf...done…

Thanks, it looks like apply_binaries is a necessary step that I was not aware of. And that printed some output with a lot of pipes in it, and i also saw another topic that hints that I did not unpack the rootfs properly (with sudo), so I’m trying that now, and also it probably helps to not include t…

Since steps 1 and 2 of Workflow 10 Example 2 have now completed for me, perhaps this is now in a state where if I find out what commands to use, I could maybe update the extlinux.conf to point to NVMe and then make it re-generate the Images and then I may have a good starting point for booting off N…

The issue here will be that, as you saw, the flash script will modify your extlinux.conf before flashing. So right after flashing, it will not be set to what you have set in your rootfs. As far as I know you won’t be able to trick the script into writing /dev/nvme0n1p1 in there while flashing to e…

place a startup script that will modify your extlinux.conf upon the first boot, so that the next boot will be from NVMe. You know it’s funny that you suggest this. For our previous 4.4.1 based massflash, I made a startup script which streamlines the production workflow: When you massflash, the de…

[image] unphased: Since steps 1 and 2 of Workflow 10 Example 2 have now completed for me When you are doing Example2 of Workflow10, what commands do you use for Step1 and Step 2? [image] unphased: l4t_initrd_flash_internal.sh: line 735: Linux_for_Tegra/tools/kernel_flash/initrdflashimgm…

[image] KevinFFF: When you are doing Example2 of Workflow10, what commands do you use for Step1 and Step 2? Step 1 I have posted above several times. Step 2 is done with: sudo ./tools/kernel_flash/l4t_initrd_flash.sh --no-flash \ --external-device nvme0n1p1 \ -S 8GiB -c …

I am trying Workflow 11, I have made these 3 different attempts to see if I can make it work. I have my NVMe device connected to the host x64 machine and it is /dev/sdn: sudo ./tools/kernel_flash/l4t_initrd_flash.sh --direct sdn -c tools/kernel_flash/flash_l4t_external.xml --external-device nvme0n1…

[image] unphased: *** no-flash flag enabled. Exiting now… *** This message is expected due to using --no-flash parameter for flash. Workflow 11 is used to generate a bootable external storage device, it would not flash into the board. Besides, could you finish Workflow10 - Example 2 - Step3 …

Is it possible to set up 5.0.2 boot from nvme by only flashing eMMC first?

Robotics & Edge Computing Jetson Systems Jetson Xavier NX

KevinFFF December 16, 2022, 2:58pm 19

There’s someone do Workflow 10 successful.
Please refer that to check if it could help:
Create custom nvme image for Jetson - #12 by julia_nitsch

You could try to use flash_l4t_external.xml instead.
Or you could add --showlogs for your command of Step3 to debug in detail.

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Is it possible to set up 5.0.2 boot from nvme by only flashing eMMC first?

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