$ obs --disable-high-dpi-scaling
Attempted path: share/obs/obs-studio/locale/en-US.ini
Attempted path: /usr/share/obs/obs-studio/locale/en-US.ini
Attempted path: share/obs/obs-studio/locale.ini
Attempted path: /usr/share/obs/obs-studio/locale.ini
Attempted path: share/obs/obs-studio/locale/en-GB.ini
Attempted path: /usr/share/obs/obs-studio/locale/en-GB.ini
info: Using preferred locale 'en-GB'
Attempted path: share/obs/obs-studio/themes/Dark.qss
Attempted path: /usr/share/obs/obs-studio/themes/Dark.qss
info: Command Line Arguments: --disable-high-dpi-scaling
info: CPU Name: AMD Ryzen 9 5950X 16-Core Processor
info: CPU Speed: 2200.000MHz
info: Physical Cores: 16, Logical Cores: 32
info: Physical Memory: 64215MB Total, 30552MB Free
info: Kernel Version: Linux 5.11.0-40-generic
info: Distribution: "Ubuntu" "20.04"
info: Session Type: x11
info: Window System: X11.0, Vendor: The X.Org Foundation, Version: 1.20.11
info: Portable mode: false
Attempted path: share/obs/obs-studio/themes/Dark/no_sources.svg
Attempted path: /usr/share/obs/obs-studio/themes/Dark/no_sources.svg
QMetaObject::connectSlotsByName: No matching signal for on_tbar_position_valueChanged(int)
QMetaObject::connectSlotsByName: No matching signal for on_actionShowTransitionProperties_triggered()
QMetaObject::connectSlotsByName: No matching signal for on_actionHideTransitionProperties_triggered()
info: OBS 27.1.3 (linux)
info: ---------------------------------
info: ---------------------------------
info: audio settings reset:
samples per sec: 48000
speakers: 2
info: ---------------------------------
info: Initializing OpenGL...
info: Loading up OpenGL on adapter ATI Technologies Inc. AMD Radeon (TM) Pro WX 3200 Series
info: OpenGL loaded successfully, version 3.3.14739 Core Profile Context FireGL 21.20, shading language 4.60
info: ---------------------------------
info: video settings reset:
base resolution: 2560x1440
output resolution: 1148x646
downscale filter: Bicubic
fps: 60/1
format: NV12
YUV mode: 709/Partial
info: NV12 texture support not available
info: Audio monitoring device:
name: Default
id: default
info: ---------------------------------
warning: Failed to load 'en-US' text for module: 'decklink-captions.so'
warning: Failed to load 'en-US' text for module: 'decklink-ouput-ui.so'
warning: Failed to load 'en-GB' text for module: 'linux-alsa.so'
warning: Failed to load 'en-GB' text for module: 'linux-capture.so'
libDeckLinkAPI.so: cannot open shared object file: No such file or directory
warning: A DeckLink iterator could not be created. The DeckLink drivers may not be installed
info: No blackmagic support
warning: Failed to load 'en-GB' text for module: 'linux-jack.so'
warning: Failed to load 'en-GB' text for module: 'linux-pulseaudio.so'
warning: v4l2loopback not installed, virtual camera disabled
warning: Failed to load 'en-GB' text for module: 'obs-browser.so'
info: [obs-browser]: Version 2.16.3
info: [obs-browser]: CEF Version 87.1.12+g03f9336+chromium-87.0.4280.88
error: os_dlopen(libnvidia-encode.so.1->libnvidia-encode.so.1): libnvidia-encode.so.1: cannot open shared object file: No such file or directory
info: FFMPEG VAAPI supported
warning: Failed to load 'en-GB' text for module: 'obs-libfdk.so'
warning: Failed to load 'en-GB' text for module: 'obs-vst.so'
warning: Failed to load 'en-GB' text for module: 'obs-x264.so'
warning: Failed to load 'en-GB' text for module: 'rtmp-services.so'
info: VLC found, VLC video source enabled
info: ---------------------------------
info: Loaded Modules:
info: vlc-video.so
info: text-freetype2.so
info: rtmp-services.so
info: obs-x264.so
info: obs-vst.so
info: obs-transitions.so
info: obs-outputs.so
info: obs-libfdk.so
info: obs-filters.so
info: obs-ffmpeg.so
info: obs-browser.so
info: linux-v4l2.so
info: linux-pulseaudio.so
info: linux-jack.so
info: linux-decklink.so
info: linux-capture.so
info: linux-alsa.so
info: image-source.so
info: frontend-tools.so
info: decklink-ouput-ui.so
info: decklink-captions.so
info: ---------------------------------
info: ==== Startup complete ===============================================
info: All scene data cleared
info: ------------------------------------------------
info: pulse-input: Server name: 'pulseaudio 13.99.1'
error: pulse-input: An error occurred while getting the source info!
info: [Loaded global audio device]: 'Desktop Audio'
info: pulse-input: Server name: 'pulseaudio 13.99.1'
error: pulse-input: An error occurred while getting the source info!
info: xshm-input: Geometry 2560x1440 @ 0,0
info: v4l2-input: Start capture from /dev/video1
error: v4l2-input: Unable to set input 0
error: v4l2-input: Initialization failed
info: v4l2-input: Start capture from
error: v4l2-input: Unable to open device
error: v4l2-input: Initialization failed
info: Switched to scene 'Scene'
info: ------------------------------------------------
info: Loaded scenes:
info: - scene 'Scene':
info: - source: 'Screen Capture (XSHM)' (xshm_input)
info: - source: 'Audio Input Capture (PulseAudio)' (pulse_input_capture)
info: - source: 'Video Capture Device (V4L2) 2' (v4l2_input)
info: - source: 'WPS' (xcomposite_input)
info: - scene 'Scene1':
info: - source: 'Video Capture Device (V4L2)' (v4l2_input)
info: ------------------------------------------------
error: X Error: 0, Major opcode: 152, Minor opcode: 26, Serial: 30
error: Failed to make context current.
error: Failed to fetch parent window geometry!
Attempted path: share/obs/obs-studio/images/overflow.png
Attempted path: /usr/share/obs/obs-studio/images/overflow.png
error: Failed to fetch parent window geometry!
error: device_draw (GL) failed
error: Failed to fetch parent window geometry!
error: Failed to fetch parent window geometry!
Segmentation fault (core dumped
