Unable to Flash Jetson AGX Xavier Platform

Hi, I have tried to reflash jetpack 4.5.1 on a Jetson AGX platform using NVIDIA SDK manager 1.7.1.8928. But after the required package download and image creation flashing continuously failing with the following error dialog box.
Screenshot from 2021-12-21 07-50-09

I found this documentation for manual flashing. It is also not working. Please find the error terminal log below.

###############################################################################
# L4T BSP Information:
# R32 , REVISION: 5.1
###############################################################################
Error: probing the target board failed.
       Make sure the target board is connected through 
       USB port and is in recovery mode.

I have ensured the target is in Recovery mode by using lsusb command.

Bus 003 Device 003: ID 0955:7019 NVidia Corp.

For setup the platform in force recovery mode I followed the below steps

  1. Connect the developer kit as described above. It should be powered off.
  2. Press and hold down the Force Recovery button.
  3. Press and hold down the Power button.
  4. Release both buttons.

How do I resolve this issue??

Any help would be greatly appreciated, thanks in advance.

  1. release the power button first and then the recovery mode.

  2. Does your xavier ever get flashed by any host on your side before? If so, use that old machine to align the environment.

  3. Please make sure you are using the correct flash port, only one usb type C port opposite to the power can be used for flash.

Thanks for the quick response.

1. release the power button first and then the recovery mode.
Still facing same issue. Do you have any thought on this?

2. Does your xavier ever get flashed by any host on your side before? If so, use that old machine to align the environment.
Unfortunately the old host machine was formatted

3. Please make sure you are using the correct flash port, only one usb type C port opposite to the power can be used for flash.
Yes, for flashing I have used front C type USB port (C port right next to the power LED)

  1. Please also change the type C cable.

  2. Since the flash is still in failure, does it mean your AGX still can be booting up to ubunti?

Please find the observations inline

1. Please also change the type C cable.
I have tried with the other two C-type USB cables (which are working fine with other devices), still the same issue.

2. Since the flash is still in failure, does it mean your AGX still can be booting up to ubuntu?
Yes, even though the flashing failed, after reboot the AGX platform booted up ubuntu (image already in the platform, which is flashed before) without any errors.

Hi,

Since your AGX is still able to boot into ubuntu, please try

  1. Learn to dump the uart log and uart console with this method.
    NVIDIA Xavier - Serial Console

  2. When the system boots into ubuntu, use terminal or the uart console from (1) and give this command. This command shall put the board into recovery mode. In the meanwhile, check the uart console, it shall not give you any response when recovery mode is entered.

sudo reboot forced-recovery

  1. Try to flash the board with sdkm again.
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It worked. Thanks for your support…👍

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If that command can work, I can only say probably there is something wrong with your manual setup for recovery mode.

Please be aware that

  1. When the board is not powered on, use poweron and recovery button to trigger recovery mode.

  2. When the board is already powered on, use reset and recovery button to trigger.

The order is same in both two cases, rec button first, hold, poweron or reset key then, and release rec button.

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