Nvidia Prime Can't Set Offload: Xrandr: BadValue

kahverengi · 2021-04-25 11:16:44

Hi everyone!

I have Nvidia GTX 960M graphic card and Intel i7-4720HQ processor. I can use prime-run command. I also wanted to use my graphic card for prime offloading. But when I run this command it gives errors:

xrandr --setprovideroffloadsink NVIDIA-G0 modesetting

Error:

❯ xrandr --setprovideroffloadsink NVIDIA-G0 modesetting
X Error of failed request:  BadValue (integer parameter out of range for operation)
  Major opcode of failed request:  140 (RANDR)
  Minor opcode of failed request:  34 (RRSetProviderOffloadSink)
  Value in failed request:  0x26b
  Serial number of failed request:  16
  Current serial number in output stream:  17

List of my providers:

❯ xrandr --listproviders
Providers: number : 2
Provider 0: id: 0x44 cap: 0xf, Source Output, Sink Output, Source Offload, Sink Offload crtcs: 3 outputs: 2 associated providers: 0 name:modesetting
Provider 1: id: 0x26b cap: 0x0 crtcs: 0 outputs: 0 associated providers: 0 name:NVIDIA-G0

This works:

❯ prime-run glxinfo | grep vendor
server glx vendor string: NVIDIA Corporation
client glx vendor string: NVIDIA Corporation
OpenGL vendor string: NVIDIA Corporation

This also works:

❯ __NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia glxinfo | grep vendor
server glx vendor string: NVIDIA Corporation
client glx vendor string: NVIDIA Corporation
OpenGL vendor string: NVIDIA Corporation

This is extra info (maybe would help):

❯ DRI_PRIME=1 glxinfo | grep "OpenGL renderer"
libGL error: failed to create dri screen
libGL error: failed to load driver: nouveau
OpenGL renderer string: Mesa DRI Intel(R) HD Graphics 4600 (HSW GT2)

So my problem is I can't understand why I can't use my graphic card for offloading. Please anyone I would really appreciate for your help. It's been months I'm struggling with this issue, I couldn't find any proper solution for this issue even there were similar issued on all the forums and stackoverflow.

seth · 2021-04-25 11:48:17

There're no outputs attached to the nvidia chip (it's likely listed as "3D Controller", not as VGA device) - why do you think you want to use it for "prime offloading"?
What's the actual task at hand?

kahverengi · 2021-04-25 11:52:54

So you mean I can't use prime offloading? I want to use offloading because I use Firefox. You know how it's painful to use iGPU only.

seth · 2021-04-25 12:13:45

prime-run firefox

?
You're trying to redirect the nvidia output into the intel chip, but nvidia has no output since it's (most likely, "lspci"?) not a VGA device.
That's ok, you'll still run FF on the nvidia chip this way.
Are you trying to solve some problem whe prime-run'ning FF?

kahverengi · 2021-04-25 12:33:22

prime-run firefox works without error, firefox opens, webgl works. But the problem is when I go to this website: https://webglsamples.org/aquarium/aquarium.html it doesn't seem like using hardware acc from nvidia gpu. It seems like iGPU struggles with rendering. I get around 10 fps on 10000 samples and when I check from nvidia-smi it shows like this:

❯ nvidia-smi
Sun Apr 25 15:25:43 2021       
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 465.24.02    Driver Version: 465.24.02    CUDA Version: 11.3     |
|-------------------------------+----------------------+----------------------+
| 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  NVIDIA GeForce ...  Off  | 00000000:01:00.0 Off |                  N/A |
| N/A   47C    P8    N/A /  N/A |    163MiB /  4046MiB |     33%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
                                                                               
+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|    0   N/A  N/A       637      G   /usr/lib/Xorg                       3MiB |
|    0   N/A  N/A     39251      G   /usr/lib/firefox/firefox          157MiB |
+-----------------------------------------------------------------------------+

Correct me if I'm wrong, as far as I know apps like firefox uses xorg's default compositor and if the default compositor uses 3D accelerator, firefox should use my GPU already? In my computer even for animations in KDE and other apps are running on iGPU. I would like them to use GPU whenever they need, not like running whole system on GPU.

seth · 2021-04-25 12:43:42

This has nothing to do with the the desktop compositor. They're entirely unrelated.

In my computer even for animations in KDE and other apps are running on iGPU. I would like them to use GPU whenever they need

Probably, but you cannot make the use the GPU whenever they need - this isn't how it works. The nvidia chip isn't some afterburner or turboloader that just makes the intel chip go faster.
A process runs on either one or the other. It's technically possible to move the GL context, but that takes a lot of effort from the client because they're dealing w/ entirely different hardware that puts different restrictions on what they can do.
And again:unrelated to your firefox situation - forget this.

What does "prime-run firefox" tell you in "about:support" (though nvida-smi suggests you're running it on the nvidia chip, FF might not have HW acceleration enabled for that GPU)and you might have to enforce it in "about:config".

kahverengi · 2021-04-25 13:20:39

I'm sorry for late reply.

When I enable "layers.acceleration.force-enabled" then restart Firefox with same command I get this error in the terminal:

❯ prime-run firefox
[GFX1-]: [OPENGL] Failed to init compositor with reason: FEATURE_FAILURE_OPENGL_CREATE_CONTEXT

In about:support compositing seems: Basic
You can check out more about my about:support here: https://pastebin.ubuntu.com/p/kHCQvgZQNJ/

Also, I'm sorry I wouldn't like to judge or tell anything bad about your knowledge. I'm pretty sure you are better knowledge than me. But I can't understand how can I not use Nvidia prime if I was able to use Bumblebee. My laptop supports optimus technology.

seth · 2021-04-25 13:43:33

You're using prime (hence "prime-run"), you just cannot just offload the output.
The nvidia chip renders stuff and passes it back to the intel chip but you cannot redirect the nvidia output into the intel sink because the nvidia chip has no outputs. This has nothing to do with bumblebee or prime-run, forget about this.

This is the interesting part

Graphics
--------

Features
Compositing: Basic
Asynchronous Pan/Zoom: wheel input enabled; scrollbar drag enabled; keyboard enabled; autoscroll enabled; smooth pinch-zoom enabled
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GL_NV_register_combiners2 GL_NV_shader_atomic_counters GL_NV_shader_atomic_float GL_NV_shader_atomic_int64 GL_NV_shader_buffer_load GL_NV_shader_storage_buffer_object GL_NV_shader_subgroup_partitioned GL_NV_texgen_reflection GL_NV_texture_barrier GL_NV_texture_compression_vtc GL_NV_texture_env_combine4 GL_NV_texture_multisample GL_NV_texture_rectangle GL_NV_texture_rectangle_compressed GL_NV_texture_shader GL_NV_texture_shader2 GL_NV_texture_shader3 GL_NV_transform_feedback GL_NV_transform_feedback2 GL_NV_uniform_buffer_unified_memory GL_NV_vdpau_interop GL_NV_vdpau_interop2 GL_NV_vertex_array_range GL_NV_vertex_array_range2 GL_NV_vertex_attrib_integer_64bit GL_NV_vertex_buffer_unified_memory GL_NV_vertex_program GL_NV_vertex_program1_1 GL_NV_vertex_program2 GL_NV_vertex_program2_option GL_NV_vertex_program3 GL_NVX_conditional_render GL_NV_gpu_multicast GL_NVX_progress_fence GL_NVX_gpu_memory_info GL_NVX_nvenc_interop GL_NV_shader_thread_group GL_NV_shader_thread_shuffle GL_KHR_blend_equation_advanced GL_KHR_blend_equation_advanced_coherent GL_OVR_multiview GL_OVR_multiview2 GL_SGIS_generate_mipmap GL_SGIS_texture_lod GL_SGIX_depth_texture GL_SGIX_shadow GL_SUN_slice_accum
WebGL 2 Extensions: EXT_color_buffer_float EXT_float_blend EXT_texture_compression_bptc EXT_texture_compression_rgtc EXT_texture_filter_anisotropic MOZ_debug OES_texture_float_linear OVR_multiview2 WEBGL_compressed_texture_etc WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_lose_context
Window Protocol: x11
Desktop Environment: kde
Target Frame Rate: 60
GPU #1
Active: Yes
Description: NVIDIA GeForce GTX 960M/PCIe/SSE2
Vendor ID: 0x10de
Device ID: 0x139b
Driver Vendor: nvidia/unknown
Driver Version: 465.24.2.0
RAM: 0
GPU #2
Active: No
Vendor ID: 0x8086
Device ID: 0x0416
Diagnostics
AzureCanvasBackend: skia
AzureContentBackend: skia
AzureFallbackCanvasBackend: none
CairoUseXRender: 0
CMSOutputProfile: Empty profile data
Display0: 3840x1080 default
DisplayCount: 1
Decision Log
HW_COMPOSITING:
available by default
force_enabled by user: Force-enabled by pref
blocked by env: Acceleration blocked by platform
OPENGL_COMPOSITING:
available by default
force_enabled by user: Force-enabled by pref
WEBRENDER:
available by default
disabled by env: Not qualified
WEBRENDER_QUALIFIED:
available by default
blocklisted by env: No qualified hardware
WEBRENDER_COMPOSITOR:
disabled by default: Disabled by default
WEBRENDER_OPTIMIZED_SHADERS:
available by default
unavailable by runtime: WebRender disabled
WEBRENDER_ANGLE:
available by default
unavailable by env: OS not supported
WEBRENDER_DCOMP_PRESENT:
available by default
disabled by user: User disabled via pref
unavailable by env: Requires Windows 10 or later
unavailable by runtime: Requires ANGLE
WEBRENDER_SOFTWARE:
available by default
denied by env: Not on allowlist
OMTP:
disabled by default: Disabled by default
WEBGPU:
disabled by default: Disabled by default
unavailable-no-webrender by runtime: WebGPU can't present without WebRender
X11_EGL:
available by default
blocklisted by env: Blocklisted by gfxInfo
DMABUF:
available by default
unavailable by runtime: Requires EGL


Failure Log
(#0) Error: [OPENGL] Failed to init compositor with reason: FEATURE_FAILURE_OPENGL_CREATE_CONTEXT

You're using the nvidia chip, that's not the performance limiting factor here.
a) Is the performance better or worse on the intel chip? (not using prime-run, check about:support on which GPU is used)
b) how's the CPU load?
c) what if you suspend KWins compositor (shift+alt+f12)?
d) Does the window size matter (a lot)?
e) Do the more elaborate GL features in that demo matter?

kahverengi · 2021-04-25 14:09:37

It would be much easier if we were on a real-time chat such as Discord. Anyway,

a) On Intel chip it shows Compositing: WebRender. It's also 3-6 fps slower than running with prime-run firefox
b) On Intel chip CPU load seems %20-40 but everything in Firefox so much painful to use, on prime-run it seems CPU load %15-%25 and also GPU load is around %30 according to nvidia-smi
c) I suspended it, but I didn't see any difference in CPU load, FPS (maybe just 1 fps) and GPU load in both just running "firefox" or "prime-run firefox"
d) I use FHD for both of my monitors, but this example already renders it on 1024x1024 resolution, so I tried to change window size but didn't matter in any case again
e) I couldn't understand clearly what you mean but, this demo is just a demo not necessary, but I believe it is similar to almost every glx dependent content

seth wrote:

The nvidia chip renders stuff and passes it back to the intel chip

This is what I'm talking about, can't I just use like this? no? Like how it works in Windows? It just works without any problem, out of the box. Like You just run Firefox without any special configuration, and it just works, no?

seth · 2021-04-25 14:16:10

This is what I'm talking about, can't I just use like this? no? Like how it works in Windows? It just works without any problem, out of the box. Like You just run Firefox without any special configuration, and it just works, no?

This is what prime-run does. You can alter the desktop entry in whatever runner you use to prime-run firefox, but there's no automatism - how would the system know what GPU you want to run stuff on.

You may want to enforce the webrenderer on the nvidia chip in about:config, but I'm not sure that this extends to WebGL (I'm not using FF)

kahverengi · 2021-04-25 14:35:18

seth wrote:

This is what I'm talking about, can't I just use like this? no? Like how it works in Windows? It just works without any problem, out of the box. Like You just run Firefox without any special configuration, and it just works, no?
This is what prime-run does. You can alter the desktop entry in whatever runner you use to prime-run firefox, but there's no automatism - how would the system know what GPU you want to run stuff on.

Ohh, gotcha.

I don't know what to do from here. I'm stucked here: https://paste.ubuntu.com/p/cc4R8fmkGH/

seth · 2021-04-25 14:37:56

https://wiki.archlinux.org/index.php/Fi … compositor

kahverengi · 2021-04-25 14:49:29

I have enabled gfx.webrender.all to true.

Now if I run with "prime-run firefox" the result is like this: https://paste.ubuntu.com/p/hpf6zsJcGV/

seth · 2021-04-25 15:02:18

webrender fails w/ nvidia, apparently known issue, see eg. https://mastransky.wordpress.com/2021/0 … -on-linux/ and try chromium…

Arch Linux

#1 2021-04-25 11:16:44

Nvidia Prime Can't Set Offload: Xrandr: BadValue

#2 2021-04-25 11:48:17

Re: Nvidia Prime Can't Set Offload: Xrandr: BadValue

#3 2021-04-25 11:52:54

Re: Nvidia Prime Can't Set Offload: Xrandr: BadValue

#4 2021-04-25 12:13:45

Re: Nvidia Prime Can't Set Offload: Xrandr: BadValue

#5 2021-04-25 12:33:22

Re: Nvidia Prime Can't Set Offload: Xrandr: BadValue

#6 2021-04-25 12:43:42

Re: Nvidia Prime Can't Set Offload: Xrandr: BadValue

#7 2021-04-25 13:20:39

Re: Nvidia Prime Can't Set Offload: Xrandr: BadValue

#8 2021-04-25 13:43:33

Re: Nvidia Prime Can't Set Offload: Xrandr: BadValue

#9 2021-04-25 14:09:37

Re: Nvidia Prime Can't Set Offload: Xrandr: BadValue

#10 2021-04-25 14:16:10

Re: Nvidia Prime Can't Set Offload: Xrandr: BadValue

#11 2021-04-25 14:35:18

Re: Nvidia Prime Can't Set Offload: Xrandr: BadValue

#12 2021-04-25 14:37:56

Re: Nvidia Prime Can't Set Offload: Xrandr: BadValue

#13 2021-04-25 14:49:29

Re: Nvidia Prime Can't Set Offload: Xrandr: BadValue

#14 2021-04-25 15:02:18

Re: Nvidia Prime Can't Set Offload: Xrandr: BadValue

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