Unable to boot Xavier NX in PCIe endpoint mode with Jetpack 5.1 in UEFI mode

Robotics & Edge Computing Jetson & Embedded Systems Jetson Xavier NX
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1

We developed L4T R35.2.1 BSP our carrier board with Xavier-NX. When it booted up, the system get hang on UEFI stage.

The patch described HERE is available in the tegra194-p3668-p3509-overlay.dts already.

The error boot log:

Jetson UEFI firmware (version 2.1-32413640 built on 2023-01-24T23:12:27+00:00)
ESC to enter Setup.
F11 to enter Boot Manager Menu.
Enter to continue boot.
** WARNING: Test Key is used. **
…
L4TLauncher: Attempting Direct Boot
EFI stub: Booting Linux Kernel…
EFI stub: Using DTB from configuration table
EFI stub: Loaded initrd from LINUX_EFI_INITRD_MEDIA_GUID device path
EFI stub: Exiting boot services and installing virtual address map…
▒▒ERROR: MPIDR 0x80000000: exception reason=0 syndrome=0xbe000000
ERROR: **************************************
ERROR: RAS Error in L2, ERRSELR_EL1=0x200:
ERROR: Status = 0xfc00640d
ERROR: IERR = SCF to L2 Decode Error Read: 0x64
ERROR: SERR = Illegal address (software fault): 0xd
ERROR: Overflow (there may be more errors) - Uncorrectable
ERROR: Uncorrectable (this is fatal)
ERROR: MISC0 = 0x80000000100000
ERROR: MISC1 = 0x20240000000
ERROR: ADDR = 0x800000000f40ffe8
ERROR: **************************************
ERROR: **************************************
ERROR: RAS Error in SCF_IOB, ERRSELR_EL1=0x401:
ERROR: Status = 0xf4009604
ERROR: IERR = CBB Interface Error: 0x96
ERROR: SERR = Assertion failure: 0x4
ERROR: Uncorrectable (this is fatal)
ERROR: MISC0 = 0x40
ERROR: MISC1 = 0x264a6445e1
ERROR: ADDR = 0x800000000f40ffe8
ERROR: **************************************
ERROR: RAS error handled!
ERROR: sdei_dispatch_event returned -1

3

How did you apply device tree patch and what ODMDATA is set?

4

Hi Wayne,
I did not modify anything, just build and flash image.

$ sudo ./flash jetson-xavier-nx-devkit-emmc mmcblk0p1

5

Build what? What are the exact steps to hit error here?

Are you able to reproduce this issue on devkit?

7

It can not reproduce on devkit. I have no idea our carrier board is short of module or circuit. What is the log means?

8

Could you provide the full log?

Also, is this related to PCIe EP or PCIe EP is just your random guess?

9

There is an old system (jetpack 4.5.1) in the NVME module, the uefi boot from NVME and get such errors.

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11

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