Hi I have a Jetson TX2 which I got a few years back but only just powered up, when I did it hoped up to install Ubuntu 18.04 which I click yes to. It downloaded and installed it then said restart, which I clicked yes to. It ran through the various restart commands and is now stuck at Tuning already done, restoring best tap value: 21 How can I fix this?

[image] joby: So is it recoverable? A system which fails to boot would need to be cloned. You would use the clone to have access to files/directories via loopback mount of the raw clone image. You would still have to flash the unit (and erase it), but you’d have a reference of your old files. [image] joby: How would I do this can do it from a virtual machine on my Mac book? Although VMs are not officially supported, if you can get an Ubuntu 18.04 VM working on the Mac, and if you can force the recovery mode USB device to always pass through to the VM regardless of how often it disconnects and reconnects, then you can probably use that VM. Beware though that you will probably need your VM to have a lot of spare disk space before you start, perhaps 40 or 50GB. You’ll also need to be prepared for this to take a long time. It is correct that you need a PC running Ubuntu 18.04 for this to work since the driver for the custom USB device (a recovery mode Jetson is a custom USB device) runs on a PC. When you install SDK Manager on the host PC and run it, there should be a directory named like this: ~/nvidia/nvidia_sdk/JetPack...version.../Linux_for_Tegra/ Any command line use would be from the “Linux_for_Tegra/” directory. A typical clone (assuming the Jetson is in recovery mode and the micro-B USB cable is connected) would be: sudo ./flash.sh -r -k APP -G my_backup.img jetson-tx2 mmcblk0p1 This would produce “my_backup.img” (a sparse file), and “my _backup.img.raw” (a raw file). I throw away the smaller sparse file as it is basically useful only for flashing. The larger raw file can be loopback mounted, examined, edited, copied, or used for flashing. If you want to know more about cloning or using a raw clone file just ask.

[image] [GUIDE] How To Install Ubuntu 18.04 On TX2 Jetson TX2 Hi Ralph, where can we find the official way? Any link for the guide? Thanks See if that link helps for installing JetPack?

Thanks but I can’t get to anything, desktop or command line where I can install anything from. Do you know of a way I can just wipe everything and start again?

TX2 Force Recovery Mode Starting with the device powered off: Press and hold down the Force Recovery button. Press and hold down the Power button. Release the Power button, then release the Force Recovery button.

Ok so when I do that the green led’s come on but I get nothing on the screen.

That would put the Jetson into recovery mode, which is when you can connect the micro-B USB to an Ubuntu 18.04 host PC and run the flash software (the host PC is what performs the flash). FYI, if you “upgraded” from Ubuntu 16.04 (very old) to 18.04 via the Ubuntu mechanism, and not via the JetPack/SDK Manager tool, then it would have caused the failure since the Ubuntu mechanism from those older days have no understanding of a Jetson’s boot requirements. Some useful URLs: Most recent JetPack https://developer.nvidia.com/embedded/jetpack List of JetPack releases https://developer.nvidia.com/embedded/jetpack-archive

So is it recoverable? Can I use the mico usb connector with a usb drive, as I don’t have another pc running ubuntu? Or the sd card on the Jetson?

[image] linuxdev: That would put the Jetson into recovery mode, which is when you can connect the micro-B USB to an Ubuntu 18.04 host PC and run the flash software (the host PC is what performs the flash). Excuse my total lack of knowledge around Ubuntu and jetpack. How would I do this can do it from a virtual machine on my Mac book?

[image] JetPack 4.2 Flashing Issues and how to resolve Jetson TX2 There are known flashing issues with the Jetson TX2 platforms that NVIDIA is actively working to resolve. To provide transparency, and further support our customers, several of these issues, and where possible workarounds toward resolution, please refer to below: Log Issues Q1: How to export SDK Manager logs? A: SDK Manager logs can be exported with below steps: 1. Launch SDK Manager. 2. Click on the 3 dots in the top right corner (“⋮”) and select Export Debug Logs. 3. A zip file of the lo… As far as I know you need another PC.

Ok thank you that’s really helpful. I’ll see if can get that working.

Thanks again for the help, I have Ubuntu 18.04 up and running on an old Macbook Air. and have downloaded jetpack sdk manager, then downloaded and installed the jetpack version for the jetson tx 2. So if I now want to restore my Jetson tx2, i do the following. connect my laptop to the Jetson via the micro usb port use terminal on the laptop to navigate to the Linux_for_Tegra/ folder Power up the Jetson in recovery mode run sudo ./flash.sh -r -k APP -G my_backup.img jetson-tx2 mmcblk0p1 on the laptop. That sound about right?

Jetson TX2 Stuck in Restart after installing Ubuntu 18.04

Robotics & Edge Computing Jetson Systems Jetson TX2

thomas.p.16 January 25, 2021, 12:40pm 9

As far as I know you need another PC.

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Jetson TX2 Stuck in Restart after installing Ubuntu 18.04

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