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#1 2023-11-22 09:05:26

riuss
Member
Registered: 2023-11-22
Posts: 2

DMAR Firmware bug no firmware reserved region can cover this

I'm trying to use arch on an intel NUC6i7KYK. When I start it, I get the error "DMAR Firmware bug no firmware reserved region can cover this".

To solve it, I insert the boot option nomodeset in the grub. With it, I was able to install and run but the graphic drivers are not detected:

When I do inxi -G I get
Graphics:
  Device-1: Intel Iris Pro Graphics 580 driver: N/A
  Display: wayland server: X.org v: 1.21.1.9 with: Xwayland v: 23.2.2
    compositor: kwin_wayland driver: X: loaded: modesetting gpu: N/A
    resolution: 3440x1440
  API: EGL v: 1.5 drivers: kms_swrast,swrast
    platforms: gbm,wayland,x11,surfaceless,device
  API: OpenGL v: 4.5 vendor: mesa v: 23.2.1-arch1.2 renderer: llvmpipe
    (LLVM 16.0.6 256 bits)
  API: Vulkan Message: No Vulkan data available.

When I connect the NUC with HDMI, the audio does not work.
I also tried to find a BIOS update but didn't find anything.

Is there something I can do?

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#2 2023-11-23 09:59:40

riuss
Member
Registered: 2023-11-22
Posts: 2

Re: DMAR Firmware bug no firmware reserved region can cover this

Finaly I found BIOS file (actually the same version I already had installed) and it solved the issue

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