Agx xavier jp5.1.3 ,sku_dt_init: not sku 0x00

hi nvidia,
I use Jetson AGX Xavier, jp5.1.3, Upgraded rt Linux patch and used our own motherboard;
When my client was using rader and ROS, the system suddenly froze. The client restarted the system but was unable to access it, and UEFI also couldn’t access it;
The following is the corresponding UART log,
May I ask what execution in the system can cause this phenomenon.
I found that the SKU can no longer be read and cannot access UEFI, which poses a danger when used by customers.
thanks,
puttyoutput.txt (47.8 KB)

Hi Youke,

bpmp: init complete
entering main console loop
] 
] bpmp: init
command not found

It seems your board boots failed in early boot.

How do you apply the rt linux patch?

Could you reproduce the similar issue on the devkit?
If so, please share the detailed steps with us to verify.

Hi,
I will execute the following command according to the document to apply the rt Linux patch
./kernel-5.10/scripts/rt-patch.sh apply-patches
Afterwards, copy all the ko under the compiled Image, dtb, lib/modules/to the corresponding positions in the AGX Xavier;

Do you refer to each steps in To Build the Real-Time Kernel?

Have you also tried to update them in BSP package and flash the board to check if there’s the same issue?

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