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Environment: QEMU + KVM virtual machine with QXL virtual graphics card, directly connected to NVIDIA. NVIDIA drivers installed in the virtual machine.

Environment variables set:

export __GLX_VENDOR_LIBRARY_NAME='nvidia' 
export NVIDIA_DRIVER_CAPABILITIES='all' 
export __NV_PRIME_RENDER_OFFLOAD='1'

glxifo can output the OpenGL renderer string:

NVIDIA GeForce RTX 4080 SUPER/PCIe/SSE2.

glxgears -info can also use NVIDIA rendering.

Chrome has ignore-gpu-blocklist, enable-gpu-rasterization, and enable-zero-copy.

chrome://gpu displays the following:

chrome://gpu info

​In Graphics Feature Status, hardware acceleration is enabled, but GL_RENDERER does not have NVIDIA, only llvmpipe's CPU rendering. Why is this?

When running chrome, there is no chrome process in nvidia-smi.

How to make Chrome use nvidia rendering？

When enable-vulkan is enable, nvidia-smi can find the chrome process, but GL_RENDERER in chrome:://gpu does not change, and it seems that nvidia is not used from the rendering effect.

Google Chrome, installed .deb, version is 133.0.6943.126 (official version)

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