I can confirm this has fixed the issue on my side. This should be a part of
the uninstallation part of AMD docs - I will try to email them in hopes
they add that in eventually.

Thank you for the help and, please, have a great day!

On Thu, 13 Nov 2025 at 11:30, Alessandro Astone <[email protected]>
wrote:

> > In the past, I've been using amdgpu drivers from the AMD website, but
> these no longer install due to issues with DKMS compilation under
> 6.17-0.6. I've tried to install these again, to no avail. I've purged
> these since.
>
> The amdgpu dkms module package is known to leave leftover configuration
> files that prevents the kernel built-in module to load even after
> uninstall. See:
> https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/2130274/comments/2
>
> ** Package changed: xorg (Ubuntu) => ubuntu
>
> ** Changed in: ubuntu
>        Status: New => Invalid
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/2131185
>
> Title:
>   Ubuntu 25.10 (Gnome, Kernel 6.17.0-6) - OS started forcing software
>   rendering mode on 9070XT
>
> Status in Ubuntu:
>   Invalid
>
> Bug description:
>   ## What's wrong
>
>   The OS starts in software rendering mode. The only thing I've changed
>   (and found in the logs) is installing the updates for sudo-rs and
>   intel microcode via the Ubuntu Software Updater (which I don't suspect
>   to be an issue, I hope, as I don't use an Intel CPU).
>
>   I've been using the kernel-provided mesa drivers.
>
>   Boot logs also include "not hardware accelerated" pops up.
>
>   ## What I've tried
>
>   - Reverting back to 6.14.0-35 makes the GPU work correctly again.
>   - I've looked through update logs (apt, dpkg, unattended-upgrades) to
> verify what changed between the GPU working and not working
>   - In the past, I've been using amdgpu drivers from the AMD website, but
> these no longer install due to issues with DKMS compilation under 6.17-0.6.
> I've tried to install these again, to no avail. I've purged these since.
>
>   ## My assumptions
>
>   - I don't suspect my local packages, as things just work under Kernel
>   6.14, but I'm very happy to provide more info if that still may be the
>   case
>
>   ## Additional info
>
>   1. `vulkaninfo --summary` output
>
>   ```bash
>   Devices:
>   ========
>   GPU0:
>         apiVersion         = 1.4.318
>         driverVersion      = 25.2.3
>         vendorID           = 0x10005
>         deviceID           = 0x0000
>         deviceType         = PHYSICAL_DEVICE_TYPE_CPU
>         deviceName         = llvmpipe (LLVM 20.1.8, 256 bits)
>         driverID           = DRIVER_ID_MESA_LLVMPIPE
>         driverName         = llvmpipe
>         driverInfo         = Mesa 25.2.3-1ubuntu1 (LLVM 20.1.8)
>         conformanceVersion = 1.3.1.1
>         deviceUUID         = 6d657361-3235-2e32-2e33-2d3175627500
>         driverUUID         = 6c6c766d-7069-7065-5555-494400000000
>   ```
>
>   2. `lshw -c video` output
>
>   ```bash
>     *-display
>          description: VGA compatible controller
>          product: Navi 48 [Radeon RX 9070/9070 XT/9070 GRE]
>          vendor: Advanced Micro Devices, Inc. [AMD/ATI]
>          physical id: 0
>          bus info: pci@0000:0b:00.0
>          logical name: /dev/fb0
>          version: c0
>          width: 64 bits
>          clock: 33MHz
>          capabilities: pm pciexpress msi vga_controller bus_master
> cap_list fb
>          configuration: depth=32 latency=0 resolution=1024,768
>          resources: iomemory:780-77f iomemory:7c0-7bf
> memory:7800000000-7bffffffff memory:7c00000000-7c0fffffff
> ioport:e000(size=256) memory:fcd00000-fcd7ffff memory:fcd80000-fcd9ffff
>   ```
>
>   3. Kern.log after boot
>
>   ```bash
>   ./syslog-2025-11-11T21:48:50.613665+01:00 janitors-closet
> gnome-shell[2599]: Added device '/dev/dri/card0' (simpledrm) using a
>   tomic mode setting.
>   ./syslog:2025-11-11T21:48:50.615750+01:00 janitors-closet
> gnome-shell[2599]: Failed to initialize accelerated iGPU/dGPU framebuffer
> sharing: Not hardware accelerated
>   ./syslog-2025-11-11T21:48:50.615811+01:00 janitors-closet
> gnome-shell[2599]: Created gbm renderer for '/dev/dri/card0'
>   ./syslog-2025-11-11T21:48:50.615853+01:00 janitors-closet
> gnome-shell[2599]: Integrated GPU /dev/dri/card0 selected as primary
>   ```
>
>   4. `lsb_release` output
>
>   ```bash
>   $ lsb_release -rd
>
>   Description:  Ubuntu 25.10
>   Release:      25.10
>   ```
>
>   ## Expected outcome
>
>   Anything I can do here to debug this more? I'd like to continue using
>   the newer Kernel.
>
>   Huge thanks in advance!
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 25.10
>   Package: xorg (not installed)
>   ProcVersionSignature: Ubuntu 6.17.0-6.6-generic 6.17.1
>   Uname: Linux 6.17.0-6-generic x86_64
>   ApportVersion: 2.33.1-0ubuntu3
>   Architecture: amd64
>   CasperMD5CheckResult: pass
>   CurrentDesktop: ubuntu:GNOME
>   Date: Thu Nov 13 01:52:29 2025
>   InstallationDate: Installed on 2023-07-31 (835 days ago)
>   InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64
> (20230223)
>   SourcePackage: xorg
>   Symptom: display
>   UpgradeStatus: Upgraded to questing on 2025-11-04 (9 days ago)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+bug/2131185/+subscriptions
>
>

-- 
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2131185

Title:
  Ubuntu 25.10 (Gnome, Kernel 6.17.0-6) - OS started forcing software
  rendering mode on 9070XT

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+bug/2131185/+subscriptions


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