GPU not being used

Graphics / Linux Linux
1

Driver is installed and everything looks ok, but GPU keeps at 0%

Dell Vostro 5470
Nvidia Geforce GT 740M
Ubuntu 20.04.3

nvidia-bug-report.log.gz (514.6 KB)

$ nvidia-smi 
Wed Jan 12 20:31:19 2022       
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 460.91.03    Driver Version: 460.91.03    CUDA Version: 11.2     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  GeForce GT 740M     Off  | 00000000:09:00.0 N/A |                  N/A |
| N/A   61C    P5    N/A /  N/A |    328MiB /  2004MiB |     N/A      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
                                                                               
+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|  No running processes found                                                 |
+-----------------------------------------------------------------------------+


sudo prime-select query
[sudo] senha para rafael: 
nvidia


glxinfo | grep render
direct rendering: Yes
OpenGL renderer string: GeForce GT 740M/PCIe/SSE2
    GL_ARB_conditional_render_inverted, GL_ARB_conservative_depth, 
    GL_NVX_conditional_render, GL_NVX_gpu_memory_info, GL_NVX_nvenc_interop, 
    GL_NV_compute_program5, GL_NV_conditional_render, 
    GL_NV_path_rendering, GL_NV_pixel_data_range, GL_NV_point_sprite, 
    GL_ARB_compute_variable_group_size, GL_ARB_conditional_render_inverted, 
    GL_NVX_conditional_render, GL_NVX_gpu_memory_info, GL_NVX_nvenc_interop, 
    GL_NV_compute_program5, GL_NV_conditional_render, 
    GL_NV_path_rendering, GL_NV_pixel_data_range, GL_NV_point_sprite, 
    GL_EXT_multisample_compatibility, GL_EXT_multisampled_render_to_texture, 
    GL_EXT_multisampled_render_to_texture2, 
    GL_EXT_primitive_bounding_box, GL_EXT_render_snorm, GL_EXT_robustness, 
    GL_NV_conditional_render, GL_NV_copy_buffer, GL_NV_copy_image, 
    GL_NV_packed_float_linear, GL_NV_path_rendering, 
    GL_OES_element_index_uint, GL_OES_fbo_render_mipmap, 
    GL_OVR_multiview_multisampled_render_to_texture
2

Everything looks normal. With your 740M, you can only use nvidia-settings to check gpu usage, it doesn’t support nvidia-smi output.

3

You’re right, nvidia setting shows percent in use. Thanks

4

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