DGX Spark does not boot after apt update/upgrade

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

First symptom: Firefox started to crash, when trying to see the Nvidia-Dashboard.
Analysis: There must have been an update of firefox by snap on 2dn/3rd of october causing this.

Tried solution: as the dashboard-update was not at reach I ran

  • sudo apt update
  • sudo apt upgrade
    and forced a reboot.

Now the system shows on boot the Nvidia-logo, (sometimes) lines of a boot sequence, sometimes a quick flash without beeing able to read
but at the end gets stuck with a blinking underline in the upper left corner.

No network or ssh-access at that time. Ctrl-Alt-Del causes reboot with same behaviour.

How to recover WITHOUT re-imaging the ssd ?

2

Tried pressing Esc during the nvidia logo?

Also holding down Shift might get you to Grub menu, from which you could attempt a non graphics boot.

3

yes: boot sequence to bee seen. stops after trying to start/initialize colord and error in printk. Then underline cursor

4

I asked claude opus 5.5 solution is: press ctrl-alt-F2 and you get an non graphical login:
I ran:
sudo dpkg --configure -a
sudo apt --fix-broken install
sudo apt update && sudo apt full-upgrade

packages where installed and the system was shut down:
After reboot everthing is fine on first sight.

5

try to boot to single user mode.

If you cannot, try booting from a usb drive with a live distro.

Once booted, ask your agent to inspect it for errors.