Kernel doesn't boot after DRM updates (drm-next-2024-09-19)

[Alex Deucher]

On Sun, Sep 22, 2024 at 12:28 AM Christian Zigotzky
<chzigotzky at xenosoft.de> wrote:
>
> Hi All,
>
> The lastest Git kernel doesn't boot anymore after the latest DRM updates
> (drm-next-2024-09-19). [1]
>
> I tested it with an AMD Radeon HD 6970 (Cayman XT) and with an AMD
> Radeon HD 5870 (Cypress XT).
>
> I reverted the DRM updates and after that the kernel boots without any
> problems.
>
> Please note: Due to a lack of time, I can't do a bisect.
>
> Please check the latest DRM updates.

Can you attach your dmesg output?  There was a regression in the dma
subsystem what was fixed by this commit:

commit b348b6d17fd1d5d89b86db602f02be
a54a754bd8
Author: Leon Romanovsky <leon at kernel.org>
Date:   Sun Sep 22 21:09:48 2024 +0300

    dma-mapping: report unlimited DMA addressing in IOMMU DMA path

Alex




>
> Thanks,
> Christian
>
>
> [1]
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=de848da12f752170c2ebe114804a985314fd5a6a
>
>
>