I here is the final output printed to the screen when booting with 
6.2.0-26-generic:

8.958982] usb 3-1: 3:1: cannot get freg at ep ex86
9.012274] snd_hda_intel o000:23:00.4: no codecs found!
9.028482] usb 3-1: 3:2: cannot get freq at ep exB6
9.092481] usb 3-1: 3:3: cannot get freq at ep exB6
9.318232] usb 3-1: Failed to query (GET-INFO) UVC control 9 on unit 1: 
-32 (exp. 1).
12.755762] over layfs : miss ing "lowerdir'


On 7/27/23 04:25, Stefan Bader wrote:
> At an initial glance this might not be hanging but not showing anything.
> Comparing the two logs the GPU driver (amdgpu) does not seem to get
> loaded or start. Also some messages related to the IOMMU (Amd-Vi) are
> missing.
>
-- 
Cheers,
John Hayes

Veteran / Developer / Data Analyst
Linkedin <https://www.linkedin.com/in/hayesjohnd/>
Twitter: @HayesJohnD

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/2028800

Title:
  Kubuntu 23.04 boots with 6.2.0-24-generic but not 6.2.0-25-generic or
  6.2.0-26-generic

Status in linux package in Ubuntu:
  New

Bug description:
  I can run Kubuntu 23.04 with kernel 6.2.0-24-generic but not
  6.2.0-25-generic or 6.2.0-26-generic. I have installed the latest AMD
  microcode, but that did not help. I am attaching the journalctl report
  for 6.2.0-24-generic that boots fully and the journalctl report for
  6.2.0-26-generic that does not boot fully.

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