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Bug#1109116:

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  Bug#1109116:  "Aaron Brooks" <aaron@zsh.rocks> - 2025-07-13 10:50 +0200
    Bug#1109116:  Grzegorz <gregluter@gmail.com> - 2025-07-13 21:00 +0200

#88388 — Bug#1109116:

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I'm experiencing this bug too, looks like i915 has been changed/updated to include the new xe driver and it's broken.

dmesg:
[    2.740670] xe 0000:01:00.0: Your graphics device 56a6 is not officially supported
               by xe driver in this kernel version. To force Xe probe,
               use xe.force_probe='56a6' and i915.force_probe='!56a6'
               module parameters or CONFIG_DRM_XE_FORCE_PROBE='56a6' and
               CONFIG_DRM_I915_FORCE_PROBE='!56a6' configuration options.

$ intel_gpu_top
No device filter specified and no discrete/integrated i915 devices found

$ lspci | grep DG2
01:00.0 VGA compatible controller: Intel Corporation DG2 [Arc A310] (rev 05)
02:00.0 Audio device: Intel Corporation DG2 Audio Controller

blacklisting the xe module makes the dmesg error go away but the gpu still isn't available for use. My GPU is an Intel Arc A310.

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#88399

The changes made to the linux-image-6.12.35+deb13-amd64 kernel are 
causing the problem. With the linux-image-6.12.33+deb13-amd64 kernel, 
the system boots and runs correctly.
The firmware-intel-graphics package (20250410-2) has not been changed 
recently, at least not during the kernel update 6.12.33 -> 6.12.35.


On Sun, 13 Jul 2025 18:34:12 +1000 "Aaron Brooks" <aaron@zsh.rocks> wrote:

 > I'm experiencing this bug too, looks like i915 has been 
changed/updated to include the new xe driver and it's broken.
 >
 > dmesg:
 > [ 2.740670] xe 0000:01:00.0: Your graphics device 56a6 is not 
officially supported
 > by xe driver in this kernel version. To force Xe probe,
 > use xe.force_probe='56a6' and i915.force_probe='!56a6'
 > module parameters or CONFIG_DRM_XE_FORCE_PROBE='56a6' and
 > CONFIG_DRM_I915_FORCE_PROBE='!56a6' configuration options.
 >
 > $ intel_gpu_top
 > No device filter specified and no discrete/integrated i915 devices found
 >
 > $ lspci | grep DG2
 > 01:00.0 VGA compatible controller: Intel Corporation DG2 [Arc A310] 
(rev 05)
 > 02:00.0 Audio device: Intel Corporation DG2 Audio Controller
 >
 > blacklisting the xe module makes the dmesg error go away but the gpu 
still isn't available for use. My GPU is an Intel Arc A310.

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