New out-of-box DGX Spark Black Screen issues

Accelerated Computing DGX Spark / GB10 User Forum DGX Spark / GB10
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1

Brand new DGX Spark is crashing to a black screen and goes graphically unresponsive, will not respond to keyboard or mouse. The only two changes I’ve made beyond the setup updates are enabling ssh and installing/enabling xrdp. The system doesn’t appear to be suspended, because it is still responsive over SSH. Attempting to connect over XRDP fails to a black screen (which then causes RDP to exit) after entering credentials. The only thing that gets it back is a hard reboot (unplugging the power supply and/or long pressing the power button).

I’ve tried reinstalling the OS using the Recovery Image, but the same issue occurred within moments of accessing the desktop. I’m not doing anything intensive, just terminal and firefox to do some configuration.

nvidia-bug-report.log.gz is attached.

nvidia-bug-report.log.gz (147.6 KB)

2

Looks like incompatible monitor/resolution.

If you have SSH access, do:
sudo apt install xrdp -y (looks like you already did this)
sudo usermod -a -G ssl-cert xrdp (important to get xrdp the right permissions)
sudo ufw allow 3389/tcp (firewall permissions)

Then I’d suggest just rebooting to apply it all. Try RDP one more time.

It will be easier to debug monitor-related problems once you have access to the Gnome display settings.

3

Alright that got me in through RDP, thanks. So now that’s an option.

I was able to log in directly and pull the display settings up for the connected monitor before it blanked out again:

Display settings show:

Orientation: Landscape

Resolution: 1440x900 (16:10) which matches the monitor

Refresh Rate 59.89 (monitor is set to 60)

Fractional Scaling is off.