[Linux PPC] [X1000] [e5500] Kernel 6.17 testing and DRM issue

[Christian Zigotzky]

On 05.08.2025 17:08, Christian Zigotzky wrote:
> On 05.08.2025 15:12, Christian Zigotzky wrote:
>> Hi All,
>>
>> Here is the alpha5 of kernel 6.17 for X1000 and e5500 machines 
>> (X5000/20, X5000/40, Mirari, and QEMU VMs).
>>
>> I created kernels with and without the drm-next-2025-07-30 updates 
>> [1] because of the issue with the Radeon graphics framebuffer device 
>> #15. [2]
>>
>> Download and further information: 
>> https://github.com/chzigotzky/kernels/releases/tag/v6.17.0-alpha5
>>
>> Please test both kernels.
>>
>> Thanks,
>> Christian
>>
>> [1] 
>> https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=260f6f4fda93c8485c8037865c941b42b9cba5d2
>> [2] https://github.com/chzigotzky/kernels/issues/15
> I tested both kernels on my X1000 today and I can definitely confirm, 
> that the issue is somewhere in the commit drm-next-2025-07-30 updates 
> [1].
>
> The Radeon graphics framebuffer doesn't work with the kernel with the 
> drm-next-2025-07-30 updates [1]. Without these updates, the 
> framebuffer works.
>
> -- Christian
>
>
> [1] 
> https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=260f6f4fda93c8485c8037865c941b42b9cba5d2
>
There are some other user reports:

- https://forum.hyperion-entertainment.com/viewtopic.php?p=60606#p60606
- https://forum.hyperion-entertainment.com/viewtopic.php?p=60595#p60595

They use other Radeon graphics chips.

+ Dave Airlie


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