OBS segfaults please help

john_doe_1 · 17 March 2023 06:54

Please, help. On my pc OBS is segfaulting even after reinstalling, but on notebook it works well. IDK why it happens. If you know where i can find more detailed logs, i would be pleased to know where are they

    ~  obs                                                                                                                                                                                              SEGV ✘ 
debug: Found portal inhibitor
debug: Attempted path: share/obs/obs-studio/locale/en-US.ini
debug: Attempted path: /usr/share/obs/obs-studio/locale/en-US.ini
debug: Attempted path: share/obs/obs-studio/locale.ini
debug: Attempted path: /usr/share/obs/obs-studio/locale.ini
debug: Attempted path: share/obs/obs-studio/themes/Yami.qss
debug: Attempted path: /usr/share/obs/obs-studio/themes/Yami.qss
info: Using EGL/X11
info: CPU Name: Intel(R) Core(TM) i3-8100 CPU @ 3.60GHz
info: CPU Speed: 3600.006MHz
info: Physical Cores: 4, Logical Cores: 4
info: Physical Memory: 32035MB Total, 27703MB Free
info: Kernel Version: Linux 6.1.19-1-MANJARO
info: Distribution: "Manjaro Linux" Unknown
info: Session Type: x11
info: Window System: X11.0, Vendor: The X.Org Foundation, Version: 1.21.1
info: Qt Version: 6.4.2 (runtime), 6.4.2 (compiled)
info: Portable mode: false
qt.core.qmetaobject.connectslotsbyname: QMetaObject::connectSlotsByName: No matching signal for on_tbar_position_valueChanged(int)
info: OBS 29.0.2-1 (linux)
info: ---------------------------------
info: ---------------------------------
info: audio settings reset:
	samples per sec: 48000
	speakers:        2
	max buffering:   960 milliseconds
	buffering type:  dynamically increasing
info: ---------------------------------
info: Initializing OpenGL...
info: Loading up OpenGL on adapter NVIDIA Corporation NVIDIA GeForce GTX 1050/PCIe/SSE2
info: OpenGL loaded successfully, version 3.3.0 NVIDIA 525.89.02, shading language 3.30 NVIDIA via Cg compiler
info: ---------------------------------
info: video settings reset:
	base resolution:   1920x1080
	output resolution: 1920x1080
	downscale filter:  Lanczos
	fps:               24000/1001
	format:            NV12
	YUV mode:          Rec. 709/Partial
info: NV12 texture support not available
info: P010 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-output-ui.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
warning: Failed to initialize module 'decklink.so'
info: [pipewire] Available captures:
info: [pipewire]     - Desktop capture
info: [pipewire]     - Window capture
info: NVENC supported
zsh: segmentation fault (core dumped)  obs

john_doe_1 · 17 March 2023 06:57

I installed flatpak version, it works

john_doe_1 · 17 March 2023 07:30

backtrace :

    ~  gdb obs                                                                                                                                                                                       ✔  32s  
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Reading symbols from obs...

This GDB supports auto-downloading debuginfo from the following URLs:
https://debuginfod.archlinux.org
Enable debuginfod for this session? (y or [n]) y
Debuginfod has been enabled.
To make this setting permanent, add 'set debuginfod enabled on' to .gdbinit.
(No debugging symbols found in obs)
(gdb) run
Starting program: /usr/bin/obs 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7fffe31ff6c0 (LWP 4699)]
[New Thread 0x7fffe29fe6c0 (LWP 4700)]
[New Thread 0x7fffe21fd6c0 (LWP 4701)]
[New Thread 0x7fffe19fc6c0 (LWP 4702)]
debug: Found portal inhibitor
debug: Attempted path: share/obs/obs-studio/locale/en-US.ini
debug: Attempted path: /usr/share/obs/obs-studio/locale/en-US.ini
debug: Attempted path: share/obs/obs-studio/locale.ini
debug: Attempted path: /usr/share/obs/obs-studio/locale.ini
debug: Attempted path: share/obs/obs-studio/themes/Yami.qss
debug: Attempted path: /usr/share/obs/obs-studio/themes/Yami.qss
info: Using EGL/X11
info: CPU Name: Intel(R) Core(TM) i3-8100 CPU @ 3.60GHz
info: CPU Speed: 3600.174MHz
info: Physical Cores: 4, Logical Cores: 4
info: Physical Memory: 32035MB Total, 24575MB Free
info: Kernel Version: Linux 6.1.19-1-MANJARO
info: Distribution: "Manjaro Linux" Unknown
info: Session Type: x11
info: Window System: X11.0, Vendor: The X.Org Foundation, Version: 1.21.1
[New Thread 0x7fffe0b086c0 (LWP 4703)]
[New Thread 0x7fffcbfff6c0 (LWP 4704)]
info: Qt Version: 6.4.2 (runtime), 6.4.2 (compiled)
info: Portable mode: false
qt.core.qmetaobject.connectslotsbyname: QMetaObject::connectSlotsByName: No matching signal for on_tbar_position_valueChanged(int)
info: OBS 29.0.2-1 (linux)
info: ---------------------------------
[New Thread 0x7fffcb7fe6c0 (LWP 4705)]
[New Thread 0x7fffcaffd6c0 (LWP 4706)]
[New Thread 0x7fffca7fc6c0 (LWP 4707)]
[New Thread 0x7fffc9ffb6c0 (LWP 4708)]
info: ---------------------------------
info: audio settings reset:
	samples per sec: 48000
	speakers:        2
	max buffering:   960 milliseconds
	buffering type:  dynamically increasing
[New Thread 0x7fffc97fa6c0 (LWP 4709)]
info: ---------------------------------
info: Initializing OpenGL...
info: Loading up OpenGL on adapter NVIDIA Corporation NVIDIA GeForce GTX 1050/PCIe/SSE2
info: OpenGL loaded successfully, version 3.3.0 NVIDIA 525.89.02, shading language 3.30 NVIDIA via Cg compiler
info: ---------------------------------
info: video settings reset:
	base resolution:   1920x1080
	output resolution: 1920x1080
	downscale filter:  Lanczos
	fps:               24000/1001
	format:            NV12
	YUV mode:          Rec. 709/Partial
[New Thread 0x7fffb15ff6c0 (LWP 4710)]
info: NV12 texture support not available
info: P010 texture support not available
[New Thread 0x7fffa66456c0 (LWP 4711)]
info: Audio monitoring device:
	name: Default
	id: default
info: ---------------------------------
[Detaching after fork from child process 4712]
warning: Failed to load 'en-US' text for module: 'decklink-captions.so'
[Detaching after fork from child process 4713]
warning: Failed to load 'en-US' text for module: 'decklink-output-ui.so'
[Detaching after fork from child process 4714]
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
warning: Failed to initialize module 'decklink.so'
[Detaching after fork from child process 4715]
[New Thread 0x7fffa5a296c0 (LWP 4716)]
[Detaching after fork from child process 4717]
[Detaching after fork from child process 4718]
[Detaching after fork from child process 4719]
[Detaching after fork from child process 4720]
[Detaching after fork from child process 4721]
info: [pipewire] Available captures:
info: [pipewire]     - Desktop capture
info: [pipewire]     - Window capture
[Detaching after fork from child process 4722]
[Detaching after fork from child process 4723]
[Detaching after vfork from child process 4724]
[Detaching after fork from child process 4726]
info: NVENC supported

Thread 1 "obs" received signal SIGSEGV, Segmentation fault.
XDisplayString (dpy=0x0) at /usr/src/debug/libx11/libX11-1.8.4/src/Macros.c:119
119	char *XDisplayString(Display *dpy) { return (DisplayString(dpy)); }

john_doe_1 · 17 March 2023 07:45

github.com/obsproject/obs-studio

OBS 29 linux crash segmentation fault on startup

opened 05:57PM - 12 Jan 23 UTC

closed 06:41AM - 13 Jan 23 UTC

disinfectantinjector

Linux Won't Fix Dependency Issue

### Operating System Info Other ### Other OS Arch Linux ### OBS Stud…io Version 29.0.0 ### OBS Studio Version (Other) _No response_ ### OBS Studio Log URL https://obsproject.com/logs/1VlKYHlDMLWUG60B ### OBS Studio Crash Log URL https://obsproject.com/logs/1VlKYHlDMLWUG60B ### Expected Behavior Expected obs to startup normally ### Current Behavior obs startup fails with error `Segmentation fault (core dumped)` ### Steps to Reproduce 1. Start obs from terminal 2. obs crashes with error `Segmentation fault (core dumped)` ### Anything else we should know? Downgrading to obs-studio 28.1.2-2 fixes the issue and obs starts normally. Arch Linux package versions obs-studio 29.0.0-1 linux 6.1.5.arch1-1 nvidia 525.78.01-3 qt6-base 6.4.2-1 libva-vdpau-driver-chromium 0.7.4-8 Full crash log: ``` $ obs debug: Found portal inhibitor debug: Attempted path: share/obs/obs-studio/locale/en-US.ini debug: Attempted path: /usr/share/obs/obs-studio/locale/en-US.ini debug: Attempted path: share/obs/obs-studio/locale.ini debug: Attempted path: /usr/share/obs/obs-studio/locale.ini debug: Attempted path: share/obs/obs-studio/themes/Dark.qss debug: Attempted path: /usr/share/obs/obs-studio/themes/Dark.qss info: Using EGL/X11 info: CPU Name: AMD Ryzen 5 3600 6-Core Processor info: CPU Speed: 4067.046MHz info: Physical Cores: 6, Logical Cores: 12 info: Physical Memory: 32046MB Total, 23802MB Free info: Kernel Version: Linux 6.1.5-arch1-1 info: Distribution: "Arch Linux" Unknown info: Session Type: x11 info: Window System: X11.0, Vendor: The X.Org Foundation, Version: 1.21.1 info: Qt Version: 6.4.2 (runtime), 6.4.2 (compiled) info: Portable mode: false info: OBS 29.0.0-1 (linux) info: --------------------------------- info: --------------------------------- info: audio settings reset: samples per sec: 48000 speakers: 2 max buffering: 960 milliseconds buffering type: dynamically increasing info: --------------------------------- info: Initializing OpenGL... info: Loading up OpenGL on adapter NVIDIA Corporation NVIDIA GeForce GTX 1060 6GB/PCIe/SSE2 info: OpenGL loaded successfully, version 3.3.0 NVIDIA 525.78.01, shading language 3.30 NVIDIA via Cg compiler info: --------------------------------- info: video settings reset: base resolution: 3840x2160 output resolution: 3840x2160 downscale filter: Lanczos fps: 30/1 format: NV12 YUV mode: Rec. 709/Partial info: NV12 texture support not available info: P010 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-output-ui.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 warning: Failed to initialize module 'decklink.so' info: [pipewire] Available captures: info: [pipewire] - Desktop capture info: [pipewire] - Window capture warning: v4l2loopback not installed, virtual camera disabled info: NVENC supported Segmentation fault (core dumped) ``` Backtrace ``` PID: 2209 (obs) UID: 1000 (user) GID: 1000 (user) Signal: 11 (SEGV) Timestamp: Thu 2023-01-12 12:25:18 EST (5h 33min ago) Command Line: obs Executable: /usr/bin/obs Control Group: /user.slice/user-1000.slice/user@1000.service/app.slice/app-kscreen@autostart.service Unit: user@1000.service User Unit: app-kscreen@autostart.service Slice: user-1000.slice Owner UID: 1000 (user) Boot ID: 73252bca57e14790b054bf6befcab693 Machine ID: 102328bf726a468f80bbc31305b6e509 Hostname: tomato Storage: /var/lib/systemd/coredump/core.obs.1000.73252bca57e14790b054bf6befcab693.2209.1673544318000000.zst (present) Size on Disk: 7.0M Message: Process 2209 (obs) of user 1000 dumped core. Stack trace of thread 2209: #0 0x00007f0d46dab8c4 XDisplayString (libX11.so.6 + 0x2b8c4) #1 0x00007f0d0d004c17 __vaDriverInit_1_10 (nvidia_drv_video.so + 0x6c17) #2 0x00007f0d46ee79c3 n/a (libva.so.2 + 0x39c3) #3 0x00007f0d46eeacd0 vaInitialize (libva.so.2 + 0x6cd0) #4 0x00007f0d0d0e9b76 vaapi_open_device (obs-ffmpeg.so + 0x16b76) #5 0x00007f0d0d0ea124 vaapi_device_h264_supported (obs-ffmpeg.so + 0x17124) #6 0x00007f0d0d0ea1f9 vaapi_get_h264_default_device (obs-ffmpeg.so + 0x171f9) #7 0x00007f0d0d0e6384 obs_module_load (obs-ffmpeg.so + 0x13384) #8 0x00007f0d547ed64e obs_init_module (libobs.so.0 + 0x5164e) #9 0x00007f0d547edb5f n/a (libobs.so.0 + 0x51b5f) #10 0x00007f0d547ee069 obs_find_modules2 (libobs.so.0 + 0x52069) #11 0x00007f0d547ee76d obs_load_all_modules2 (libobs.so.0 + 0x5276d) #12 0x0000563f81b4b5ed n/a (obs + 0x1255ed) #13 0x0000563f81ab0ca8 main (obs + 0x8aca8) #14 0x00007f0d53477290 n/a (libc.so.6 + 0x23290) #15 0x00007f0d5347734a __libc_start_main (libc.so.6 + 0x2334a) #16 0x0000563f81ab2635 n/a (obs + 0x8c635) Stack trace of thread 2212: #0 0x00007f0d5354f0bf __poll (libc.so.6 + 0xfb0bf) #1 0x00007f0d51e3bbef n/a (libglib-2.0.so.0 + 0xacbef) #2 0x00007f0d51de3132 g_main_context_iteration (libglib-2.0.so.0 + 0x54132) #3 0x00007f0d51de3182 n/a (libglib-2.0.so.0 + 0x54182) #4 0x00007f0d51e11e05 n/a (libglib-2.0.so.0 + 0x82e05) #5 0x00007f0d534da8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f0d5355ca60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 2214: #0 0x00007f0d534d74b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f0d534d9fd4 pthread_cond_timedwait (libc.so.6 + 0x85fd4) #2 0x00007f0d548509ba os_event_timedwait (libobs.so.0 + 0xb49ba) #3 0x00007f0d547e6185 obs_hotkey_thread (libobs.so.0 + 0x4a185) #4 0x00007f0d534da8fd n/a (libc.so.6 + 0x868fd) #5 0x00007f0d5355ca60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 2216: #0 0x00007f0d535217c5 clock_nanosleep (libc.so.6 + 0xcd7c5) #1 0x00007f0d535262d7 __nanosleep (libc.so.6 + 0xd22d7) #2 0x00007f0d53552179 usleep (libc.so.6 + 0xfe179) #3 0x00007f0d54850e49 os_sleepto_ns_fast (libobs.so.0 + 0xb4e49) #4 0x00007f0d5483aaaa n/a (libobs.so.0 + 0x9eaaa) #5 0x00007f0d534da8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f0d5355ca60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 2215: #0 0x00007f0d534d74b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f0d534e26a0 n/a (libc.so.6 + 0x8e6a0) #2 0x00007f0d5484f2c3 n/a (libobs.so.0 + 0xb32c3) #3 0x00007f0d534da8fd n/a (libc.so.6 + 0x868fd) #4 0x00007f0d5355ca60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 2217: #0 0x00007f0d534d74b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f0d534e26a0 n/a (libc.so.6 + 0x8e6a0) #2 0x00007f0d5483ac78 n/a (libobs.so.0 + 0x9ec78) #3 0x00007f0d534da8fd n/a (libc.so.6 + 0x868fd) #4 0x00007f0d5355ca60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 2223: #0 0x00007f0d534d74b6 n/a (libc.so.6 + 0x834b6) #1 0x00007f0d534e26a0 n/a (libc.so.6 + 0x8e6a0) #2 0x00007f0d300913e6 n/a (libobs-scripting.so.1 + 0x63e6) #3 0x00007f0d534da8fd n/a (libc.so.6 + 0x868fd) #4 0x00007f0d5355ca60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 2213: #0 0x00007f0d5354f0bf __poll (libc.so.6 + 0xfb0bf) #1 0x00007f0d51e3bbef n/a (libglib-2.0.so.0 + 0xacbef) #2 0x00007f0d51de3ddf g_main_loop_run (libglib-2.0.so.0 + 0x54ddf) #3 0x00007f0d463fcadc n/a (libgio-2.0.so.0 + 0x10aadc) #4 0x00007f0d51e11e05 n/a (libglib-2.0.so.0 + 0x82e05) #5 0x00007f0d534da8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f0d5355ca60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 2211: #0 0x00007f0d5354f0bf __poll (libc.so.6 + 0xfb0bf) #1 0x00007f0d51e3bbef n/a (libglib-2.0.so.0 + 0xacbef) #2 0x00007f0d51de3132 g_main_context_iteration (libglib-2.0.so.0 + 0x54132) #3 0x00007f0d53d10382 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x34d382) #4 0x00007f0d53af8604 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x135604) #5 0x00007f0d53be0778 _ZN7QThread4execEv (libQt6Core.so.6 + 0x21d778) #6 0x00007f0d461f811f n/a (libQt6DBus.so.6 + 0x2d11f) #7 0x00007f0d53c48a21 n/a (libQt6Core.so.6 + 0x285a21) #8 0x00007f0d534da8fd n/a (libc.so.6 + 0x868fd) #9 0x00007f0d5355ca60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 2210: #0 0x00007f0d5354f0bf __poll (libc.so.6 + 0xfb0bf) #1 0x00007f0d4652226b n/a (libxcb.so.1 + 0xd26b) #2 0x00007f0d46523d1d xcb_wait_for_event (libxcb.so.1 + 0xed1d) #3 0x00007f0d42718362 n/a (libQt6XcbQpa.so.6 + 0x4e362) #4 0x00007f0d53c48a21 n/a (libQt6Core.so.6 + 0x285a21) #5 0x00007f0d534da8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f0d5355ca60 n/a (libc.so.6 + 0x108a60) Stack trace of thread 2218: #0 0x00007f0d535217c5 clock_nanosleep (libc.so.6 + 0xcd7c5) #1 0x00007f0d535262d7 __nanosleep (libc.so.6 + 0xd22d7) #2 0x00007f0d54850dd5 os_sleepto_ns (libobs.so.0 + 0xb4dd5) #3 0x00007f0d5481f34b obs_graphics_thread_loop (libobs.so.0 + 0x8334b) #4 0x00007f0d54820969 obs_graphics_thread (libobs.so.0 + 0x84969) #5 0x00007f0d534da8fd n/a (libc.so.6 + 0x868fd) #6 0x00007f0d5355ca60 n/a (libc.so.6 + 0x108a60) ELF object binary architecture: AMD x86-64 ```

" Installing GitHub - elFarto/nvidia-vaapi-driver: A VA-API implemention using NVIDIA's NVDEC and removing libva-vdpau-driver-chromium fixes the issue, and now obs 29.0.0 starts up normally. "

system · 19 March 2023 21:45

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