To explain some of the differences in the logs:

* UVD is the IP block that fails to init (so no "UVD and UVD ENC initialized 
successfully").
* Once an IP block fails, next one isn't even tried (so no "VCE initialized 
successfully")
* kfd doesn't initialize because amdgpu_amdkfd_device_init() won't be called 
until end of hw_init (all blocks must succeed)

Between 5.13.19 and 5.14-rc2 there aren't any UVD changes that would
cause this.

$ git log --oneline v5.13.19..v5.14-rc2 amdgpu/amdgpu_uvd.c amdgpu/uvd_v6_0.c
09b020bb05a5 Merge tag 'drm-misc-next-2021-06-09' of 
git://anongit.freedesktop.org/drm/drm-misc into drm-next
d3fae3b3daac dma-buf: drop the _rcu postfix on function names v3
5745d647d556 Merge tag 'amd-drm-next-5.14-2021-06-02' of 
https://gitlab.freedesktop.org/agd5f/linux into drm-next
66c46621c812 amdgpu: remove unreachable code
ae4c0d7674a7 drm/amdgpu: make sure we unpin the UVD BO
f89f8c6bafd0 drm/amdgpu: Guard against write accesses after device removal
355b60296143 Merge drm/drm-next into drm-misc-next

This tells me it's probably something outside of the direct code causing
it.  Without seeing further steps into the bisect the biggest suspect in
my mind is 0064b0ce85bb.

Can you please try amdgpu.aspm=0?

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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/2036742

Title:
  amdgpu crash on Mantic

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  [Impact]

  Booting from USB the latest Mantic Desktop daily image (2023-09-20),
  just after the initial logs, nothing is displayed on screen. The
  system is still alive since _autoinstall_ works as intended. Once
  provisioned, the problem is still present.

  It seems related to https://bugs.launchpad.net/ubuntu/+source/linux-
  firmware/+bug/2029396 .

  dmesg attached.

  [Test Case]

  Live boot Ubuntu Mantic Desktop canary (2023-09-19)

  [Where Problems Could Occur]

  Dell Optiplex 5090
  - Intel Core(TM) i7-11700
  - Advanced Micro Devices, Inc. [AMD/ATI] - 1002:699f

To manage notifications about this bug go to:
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