useradd -m -G network,storage,wheel,audio,video ЮЗЕРНЕЙМ

$: id
uid=1000(alien) gid=1000(alien) группы=1000(alien),90(network),986(video),988(storage),995(audio),998(wheel)

/dev/mapper/Encrypted /run/media/kdjh/Encrypted auto defaults 0 0

echo 'EDITOR=/usr/bin/nano' | sudo tee -a /etc/environment

tail -50 /var/log/Xorg.0.log

grayich
1. есть вероятность что GeForce 8500 просто внесли в блеклист или типа того

for i in $(seq 5); do dig archlinux.org.ru | grep time ; sleep 2 ; done

timer () {
        for ((i=$1; i>=0; i--)) do
                echo -ne "\r$(date -d"0+$i sec" +%H:%M:%S)"
                sleep 1
        done
        printf %b "$2" | bash
}

включить опцию Override software rendering list

$: uname -a
Linux deos 5.7.9-arch1-1 #1 SMP PREEMPT Thu, 16 Jul 2020 19:34:49 +0000 x86_64 GNU/Linux

$: lspci -knn | grep VGA -A2
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation G86 [GeForce 8500 GT] [10de:0421] (rev a1)
	Subsystem: ASUSTeK Computer Inc. Device [1043:824e]
	Kernel driver in use: nvidia

pacman -Q | grep -E "va|vd|chrom|nvi"
avahi 0.8+15+ge8a3dd0-1
chromium-vaapi 84.0.4147.89-1
lib32-nvidia-340xx-utils 340.108-1
lib32-opencl-nvidia-340xx 340.108-1
libdvdnav 6.1.0-2
libdvdread 6.1.1-1
libevdev 1.9.1-1
libva 2.8.0-1
libva-mesa-driver 20.1.3-1
libva-utils 2.8.0-1
libva-vdpau-driver-chromium 0.7.4-7
libvdpau 1.4-1
libvdpau-va-gl 0.4.2-3
mesa-vdpau 20.1.3-1
nvidia-340xx-dkms 340.108-8
nvidia-340xx-utils 340.108-1
opencl-nvidia-340xx 340.108-1
vamp-plugin-sdk 2.10.0-1
vdpauinfo 1.4-1

$: vdpauinfo
display: :0.0   screen: 0
API version: 1
Information string: NVIDIA VDPAU Driver Shared Library  340.108  Wed Dec 11 14:31:24 PST 2019

Video surface:

name   width height types
-------------------------------------------
420     4096  4096  NV12 YV12
422     4096  4096  UYVY YUYV

Decoder capabilities:

name                        level macbs width height
----------------------------------------------------
MPEG1                           0  8192  2048  2048
MPEG2_SIMPLE                    3  8192  2048  2048
MPEG2_MAIN                      3  8192  2048  2048
H264_BASELINE                  --- not supported ---
H264_MAIN                      41  8192  2048  2048
H264_HIGH                      41  8192  2048  2048
VC1_SIMPLE                      1  8190  2048  2048
VC1_MAIN                        2  8190  2048  2048
VC1_ADVANCED                    4  8190  2048  2048
# Unsupported обрезал

$: vainfo
vainfo: VA-API version: 1.8 (libva 2.8.0)
vainfo: Driver version: Splitted-Desktop Systems VDPAU backend for VA-API - 0.7.4
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            :	VAEntrypointVLD
      VAProfileMPEG2Main              :	VAEntrypointVLD
      VAProfileH264Main               :	VAEntrypointVLD
      VAProfileH264High               :	VAEntrypointVLD
      VAProfileVC1Simple              :	VAEntrypointVLD
      VAProfileVC1Main                :	VAEntrypointVLD
      VAProfileVC1Advanced            :	VAEntrypointVLD

$: chromium
[2547:2547:0719/211141.537349:ERROR:gl_context_glx.cc(227)] Couldn't make context current with X drawable.
[2547:2547:0719/211141.537486:ERROR:gpu_info_collector.cc(81)] gl::GLContext::MakeCurrent() failed
[2547:2547:0719/211141.537565:ERROR:gpu_info_collector.cc(273)] Could not create context for info collection.
[2547:2547:0719/211141.537627:ERROR:gpu_init.cc(70)] gpu::CollectGraphicsInfo failed.
[2547:2547:0719/211141.545448:ERROR:viz_main_impl.cc(150)] Exiting GPU process due to errors during initialization
[2613:2613:0719/211141.637857:ERROR:sandbox_linux.cc(374)] InitializeSandbox() called with multiple threads in process gpu-process.