Home Assistant unreachable after update to HAOS 15

Installation Home Assistant OS
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106

OK, got it.

The simplest workaround for you is to choose the other boot block from the grub menu that appears for a second when you restart your thin client. Also, HA will do that automatically for you after 3 failed reboots.

This will not fix anything, but will start you HA server, and you’ll be able to keep working with version 14.2

If you do want to fix the issue (not really for a novice user), do the following:

  1. Start you device in rescue mode (options 3 or 4 in the GRUB menu).
  2. Search for a file called cmdline.txt. for me it was in the EFI/BOOT dir, but it might be in a different dir if you have a different boot like non-EFI.
    The search command is: find / -name cmdline.txt
  3. Edit the file using vi / nano / other editor and add modprobe.blacklist=amdgpu at the end of the line.
  4. Reboot

Goodluck.

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