Public bug reported:

https://www.mail-archive.com/ubuntu-
[email protected]/msg6121735.html


I can confirm the same behavior with Kubuntu 24.04 upgraded from
6.8.0-49 to 6.8.0-50.  System boots to LUKS password prompt and I get 2
seconds or so to type before the screen blanks for 2 seconds.  When it
returns I am unable to type.  Using Grub Advanced I can force the boot
to 6.8.0-49 and everything works fine as before.  Alternatively I can
use Grub Advanced to edit the 6.8.0-50 command line and remove quiet and
splash to do a text boot.  In that mode I still get the flash behavior;
however, I am able to continue typing after the flash.  I found several
Mint related posts complaining about the same kernel with the same
issue.

I habe the same problem on Ubuntu 24.04 since kernel 6.8.0-50 and Ubuntu
24.10 after migration.


My system is an AMD 5950X with and AMD Radeon™ RX 7700 XT

** Affects: ubuntu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2091932

Title:
  boot luks splash kernel 6.8.0-5x

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