Public bug reported:

Hello,

I have freshly installed Ubuntu 24.04.
lsb_release -rd
No LSB modules are available.
Description:    Ubuntu 24.04 LTS
Release:        24.04
cat /proc/version_signature
Ubuntu 6.8.0-38.38-generic 6.8.8

When kernel loads amdgpu module the monitor shows black screen, monitor
still works and system runs.  I'm able to see a login prompt only after
blacklisted amdgpu module, but I need that for X.

And the same issue with booting from installation media, I was able to
see a picture on monitor only after adding nomodeset boot option for
kernel by manually editing grub menu entry.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "lspci -vnvn"
   
https://bugs.launchpad.net/bugs/2076935/+attachment/5805460/+files/lspci-vnvn.log

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https://bugs.launchpad.net/bugs/2076935

Title:
  Black screen after loading amdgpu module

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