HI Sen,

Those messages are expected and you can ignore them.

In kernel 4.14 a couple of warning/error messages were added to
amdkfd. If you use the amdgpu driver you will not see them but because
you use radeon you are seeing them.
In kernel 4.15 we removed support of amdkfd from radeon, so once
fedora will upgrade to 4.15 (or later) you will again stop seeing
those messages.

Oded

On Mon, Feb 19, 2018 at 1:48 AM, Sen Dion <sendion23...@yahoo.com> wrote:
> For some unknown reason, I started to get the "kgd2kfd_probe failed" message
> after the update of Fedora-27 (limited to security advisories).  Here is dmesg
> output:
>   Console:  switching to colour frame buffer device 240x67
>
>   radeon 0000:01:05.0: fb0: radeondrmfb frame buffer device
>   kfd kfd: DID 9710 is missing in supported_devices
>   kfd kfd: kgd2kfd_probe failed
>   [drm] Initialized radeon  2.50.0 20080528 for 0000:01:05.0 on minor 0
> kernel version: 4.14.16-300.fc27.x86_64
>
> Compare with the dmesg output:
>   Console:  switching to colour frame buffer device 240x67
>   radeon 0000:01:05.0: fb0: radeondrmfb frame buffer device
>   [drm] Initialized radeon  2.50.0 20080528 for 0000:01:05.0 on minor 0
> from the kernel version 4.13.9-300.fc27.x86_64
>
>
>
> Q1. Is this failure expected?  Note that this system doesn't support IOMMU.
> Q2. What to do if such failure is not expected?
>
>    Thank you,
>    - Sen Dion
>
>
>   P.S.
>
> This is my first submission to the list.  Kindly forgive me if I missed to 
> adhere to the list posting guildelines.
> _______________________________________________
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> dri-devel@lists.freedesktop.org
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