Re: [RDNA4] RX 9060 XT - Pageflip timed out causes complete desktop lockup under KDE Wayland

On Fri, Jul 17, 2026 at 3:14 PM Gabriel Elias de Aquino
<[email protected]> wrote:
>
> Brief summary of the problem:
>
> The desktop randomly freezes. Kernel log shows: Pageflip timed out! This is a bug in the amdgpu kernel driver followed by: flip_done timed out commit wait timed out Initially I was able to recover by switching to another VT and restarting SDDM. The issue became worse. Now the machine often cannot switch to another VT anymore and requires a hard reset.
>
> Already tested: amdgpu.dcdebugmask=0x10, amdgpu.dcdebugmask=0x12 amdgpu.runpm=0, 180Hz, 144Hz Issue still occurs. Testing amdgpu.dc=0 results in a black screen during boot.
>
> Hardware description:
>
> GPU: AMD Radeon RX 9060 XT 16GB
> CPU: Ryzen 7 9800X3D
> DisplayPort 1920x1080 180Hz
>
> System information:
>
> Distro name and Version: Debian GNU/Linux 13.6 (trixie)
> Kernel version: 7.0.13 from Debian Stable Backports
> Custom kernel: N/A
> Desktop: KDE Plasma Wayland
> AMD official driver version: Mesa 26.1.2, Firmware 20260519 (from Debian), amdgpu version 7.0.13
>
> How to reproduce the issue:
>
> Cannot reproduce as it is totally unpredictable and random. I can work all day without a single ocurrence and the other day it can happen twice. One thing though: it ALWAYS occurs on low GPU workload, e.g. while moving the mouse around, browsing the web, reading e-mails, etc. It never happened when the GPU is working really hard, like while playing games.
>

Should be fixed with these patches:
https://gitlab.freedesktop.org/agd5f/linux/-/commit/d094bc1f17783d148b8172339d05a12095e13dd4
https://gitlab.freedesktop.org/agd5f/linux/-/commit/d73f4e118dc4c688fe7d19883027d0ef14822c61
https://gitlab.freedesktop.org/agd5f/linux/-/commit/c9ab9622f5b2799fe624a4a134e60112149271dd

Alex

> Attached files:
>
> Log files (for system lockups / game freezes / crashes)
>
> Dmesg log (full log)
>
> dmesg.txt
>
> Any other log
>
> inxi.txt
>
> journal.txt
>
> kwin.txt
>
>
> --
>
> Gabriel Elias de Aquino
>
> [email protected]