Problem of Jetson Xavier NX

[yu.lan]

Hi:

Recently I had this problem that my Jetson Xaviver NX had black screen problem and it has “minus” icon on the black screen.

Is there any idea for me to recover the system instead of reflashing? What can I do if I want to find the reason of this problem?

[KevinFFF]

Hi yu.lan,

Are you using the devkit or custom board for Xavier NX?
What’s the Jetpack version in use? (JP5.0.2(R35.1)?)

Please also share the full serial console log for further check.

[yu.lan]

Hi, I think I found the problem, it was the configuration of the device tree in the: extlinux.conf.

I followed the idea from here: Enabling PPS on Xavier AGX - #6 by aspen.eyers to overlay my device tree and my previous kernel of the PPS is like:

(This is the version I used to flash my kernel)

and my overlay pps.dts is like:

Do you think the problem is from here? Because I noticed that my problem is same as here: My AGX Xavier won't boot properly - #40 by ChuZiHang

Do you have any idea to solve this problem but keeping the PPS support in my jetson xavier nx and avoiding flashing the system? Because all the files are in the system.

I want to add a point that my system was boot from SSD card… The kernel of Jetson is: 5.10.

[KevinFFF]

I don’t think the black screen issue is relating to your PPS dtb, but you can revert the change to check if it could help.

If you are using overlay dtb, you can not specify the macro like TEGRA194_MAIN_GPIO, please specify the hex value instead.
Or you can just modify them in device tree source and rebuild kernel image/dtb.