The commit messages mentions:
Fixes: 5aa1dfcdf0a4 ("drm/mst: Refactor the flow for payload
allocation/removement")
which we have in 6.8 and which is the reason this commit landed in 6.8. It
seems to be a valid fix from AMD. Removing it to unbreak an unsupported
out-of-tree and out-of-archive DKMS is a hard sell. Also isn't it a bit weird
that AMD is asking to remove a legit AMD fix to unbreak an AMD DKMS?
There is an in-tree amdgpu driver why do you need a DKMS?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/2080823
Title:
6.8.0-44 breaks amdgpu-dkms 6.8.5
Status in linux package in Ubuntu:
Incomplete
Bug description:
Ubuntu 24.04.1
6.8.0-44 causes compile failure of amdgpu-dkms (6.8.5 from AMD
partner)
```
linux-image-generic 6.8.0-44.44
amd64 Generic Linux kernel image
amdgpu-dkms 1:6.8.5.60200-2009582.24.04 amdgpu driver
in DKMS format.
noble/main
amdgpu-dkms-firmware 1:6.8.5.60200-2009582.24.04 firmware blobs
used by amdgpu driver in DKMS format
noble/main
```
The 6.8.0-44 kernel includes :
* Noble update: upstream stable patchset 2024-07-25 (LP: #2074091)
- drm/mst: Fix NULL pointer dereference at
drm_dp_add_payload_part2 <---- This is the one
This one causes a compile failure in amdgpu-dkms 6.8.5 , detected
from rocm6.2 users and initially reported there, but i believe it
should be fixed in Ubuntu who backported the fix causing the bug.
https://github.com/ROCm/ROCm/issues/3701
https://github.com/ROCm/ROCm/issues/3701#issuecomment-2351247361
contains a trivial patch on the amdgpu-dkms side, but the problem is
introduced by a patch on the kernel ubuntu-6.8.
this is very annoying, and proposed workaround on github Amd Rocm are
a bit weird (even if they work well)
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