gnome-shell high cpu usage

[terroreek]

Hi All,
I am wondering if anyone else has noticed this but I have noticed recently but when I watch videos in gnome, gnome-shells cpu usage jumps up.  htop will show gnome-shell go from 0-10% and as soon as I start a video, either from VLC, a youtube video in either chrome or firefox I find cpu usage for gnome-shell jumps up to 220-260%. 

I've tried disabling all extensions, and I can't seem to find a bug report.  Has anyone else noticed this problem??
output from inxi

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CPU: Quad Core Intel Core i7-4790K (-MT MCP-)
speed/min/max: 1600/800/4400 MHz
Kernel: 4.17.2-towo.2-siduction-amd64 x86_64 Up: 7m
Mem: 4800.8/32118.0 MiB (14.9%) HDD: 1.14 TiB (28.1% used) Procs: 330
Shell: zsh 5.5.1 inxi: 3.0.13


inxi -Gx

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Graphics:
  Card-1: NVIDIA GP104 [GeForce GTX 1080] driver: nvidia v: 390.59
  bus ID: 01:00.0
  Display: x11 server: X.Org 1.20.0 driver: nvidia
  resolution: 2560x1600~60Hz
  OpenGL: renderer: llvmpipe (LLVM 6.0 256 bits) v: 3.3 Mesa 18.1.2
  direct render: Yes

hmm ... if I were to take a guess I am thinking its because the OpenGL renderer isn't my GTX 1080?

[terroreek]

Ok I think the problem is the GLX module isn't loading;

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[     6.759] (**) NVIDIA(0): Enabling 2D acceleration
[     6.759] (EE) NVIDIA(0): Failed to initialize the GLX module; please check in your X
[     6.759] (EE) NVIDIA(0):     log file that the GLX module has been loaded in your X
[     6.759] (EE) NVIDIA(0):     server, and that the module is the NVIDIA GLX module.  If
[     6.759] (EE) NVIDIA(0):     you continue to encounter problems, Please try
[     6.759] (EE) NVIDIA(0):     reinstalling the NVIDIA driver.

So I the logs I see its trying to load libglx.so

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[     6.666] (II) LoadModule: "glx"
[     6.667] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[     6.668] (II) Module glx: vendor="X.Org Foundation"
[     6.668]     compiled for 1.20.0, module version = 1.0.0
[     6.668]     ABI class: X.Org Server Extension, version 10.0

That said shouldn't  /usr/lib/xorg/modules/extensions/libglx.so be a symlink to /usr/lib/nvidia/current/libglx.so.390.59 ??
Also mods I think this is probably a hardware issue not software as it looks like my nvidia-drivers aren't installed correctly, maybe it should be moved?

[melmarker]

migth be https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=900248

[terroreek]

Yep thats exactly what the problem is. 

[melmarker]

Yep thats exactly what the problem is.

The solution is in the bug report -- one of the methods to solve that problem should work - i use the nvidia.conf

[terroreek]

Yep thats exactly what I used thank you so much melmarker!!!