Segfault (core dump) VokoskreenNG

Good evening. I am trying to use VokoskreenNG for screencast - it worked fine on my Arch laptop. But unfortunately on Manjaro I am getting segfault (core dump) and I am not sure what to do to fix that. The program was installed on both systems within a day from each other, on Arch by downloading it from AUR and running makepkg -si, on Manjaro by Add/Remove Software and (after uninstalling it) by makepkg -si. I assume the downloaded file from AUR is identical on both of my systems or am I wrong?
Below is the output when I start the program from terminal:

 vokoscreenNG
[vokoscreenNG] Version: 3.0.7 pre alpha
[vokoscreenNG] Locale: en_US
[vokoscreenNG] Log from: 2020-09-06 19:05:50
[vokoscreenNG] Country: United States
[vokoscreenNG] Qt: 5.15.0
[vokoscreenNG] GStreamer 1.16.2
[vokoscreenNG] Operating system: Manjaro Linux
[vokoscreenNG] CPU Architecture: x86_64
[vokoscreenNG] vokoscreenNG running as: xcb client
[vokoscreenNG] vokoscreenNG running on: x11
[vokoscreenNG] Desktop: XFCE
[vokoscreenNG] Icon-Theme: Papirus-Maia
[vokoscreenNG] Styles: (bb10dark, bb10bright, chameleon, dsemilight, dsemidark, dlight, ddark, kvantum-dark, kvantum, cleanlooks, gtk2, cde, motif, plastique, qt5ct-style, Windows, Fusion)
[vokoscreenNG] Qt-PluginsPath:      /usr/lib/qt/plugins
[vokoscreenNG] Qt-TranslationsPath: /usr/share/qt/translations
[vokoscreenNG] Qt-LibraryPath:      /usr/lib
[vokoscreenNG] Settings: /home/XXX/.config/vokoscreenNG/vokoscreenNG.ini
[vokoscreenNG] Log: /home/XXX/.config/vokoscreenNG/log/2020_09_06_19_05_50.log
[vokoscreenNG] Default Videopath: /home/XXX/Videos
[vokoscreenNG] User Videopath: 
[vokoscreenNG] CompositingManager running: true

[vokoscreenNG] Symbols: + available, - not available
[vokoscreenNG] + matroskamux
[vokoscreenNG] + webmmux
[vokoscreenNG] + avimux
[vokoscreenNG] + mp4mux
[vokoscreenNG] + qtmux
[vokoscreenNG] + x264enc
[vokoscreenNG] - openh264enc
[vokoscreenNG] - vaapih264enc
[vokoscreenNG] - vaapimpeg2enc
[vokoscreenNG] + vp8enc
[vokoscreenNG] + vorbisenc
[vokoscreenNG] + flacenc
[vokoscreenNG] + opusenc
[vokoscreenNG] + lamemp3enc
[vokoscreenNG] - voaacenc

[vokoscreenNG] + ximagesrc
[vokoscreenNG] + pulsesrc
[vokoscreenNG] + pipewiresrc
[vokoscreenNG] + queue
[vokoscreenNG] + capsfilter
[vokoscreenNG] + videoconvert
[vokoscreenNG] + videorate
[vokoscreenNG] + audioconvert
[vokoscreenNG] + audiorate
[vokoscreenNG] + filesink
[vokoscreenNG] + videoscale
[vokoscreenNG] + h264parse
[vokoscreenNG] + audiomixer
[vokoscreenNG] + adder

Segmentation fault (core dumped)

I ran valgrind and here is the output from that:

valgrind vokoscreenNG
==14973== Memcheck, a memory error detector
==14973== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==14973== Using Valgrind-3.16.1 and LibVEX; rerun with -h for copyright info
==14973== Command: vokoscreenNG
==14973== 
--14973-- WARNING: unhandled amd64-linux syscall: 315
--14973-- You may be able to write your own handler.
--14973-- Read the file README_MISSING_SYSCALL_OR_IOCTL.
--14973-- Nevertheless we consider this a bug.  Please report
--14973-- it at http://valgrind.org/support/bug_reports.html.
==14973== Conditional jump or move depends on uninitialised value(s)
==14973==    at 0x4E2A893: QWidget::setGeometry(QRect const&) (in /usr/lib/libQt5Widgets.so.5.15.0)
==14973==    by 0x168C6E: ??? (in /usr/bin/vokoscreenNG)
==14973==    by 0x168CFE: ??? (in /usr/bin/vokoscreenNG)
==14973==    by 0x16895F: ??? (in /usr/bin/vokoscreenNG)
==14973==    by 0x138944: ??? (in /usr/bin/vokoscreenNG)
==14973==    by 0x12A0C7: main (in /usr/bin/vokoscreenNG)
==14973== 
==14973== Conditional jump or move depends on uninitialised value(s)
==14973==    at 0x4E2A893: QWidget::setGeometry(QRect const&) (in /usr/lib/libQt5Widgets.so.5.15.0)
==14973==    by 0x168D77: ??? (in /usr/bin/vokoscreenNG)
==14973==    by 0x16895F: ??? (in /usr/bin/vokoscreenNG)
==14973==    by 0x138944: ??? (in /usr/bin/vokoscreenNG)
==14973==    by 0x12A0C7: main (in /usr/bin/vokoscreenNG)
==14973== 
[vokoscreenNG] Version: 3.0.7 pre alpha
[vokoscreenNG] Locale: en_US
[vokoscreenNG] Log from: 2020-09-06 19:09:05
[vokoscreenNG] Country: United States
[vokoscreenNG] Qt: 5.15.0
[vokoscreenNG] GStreamer 1.16.2
[vokoscreenNG] Operating system: Manjaro Linux
[vokoscreenNG] CPU Architecture: x86_64
[vokoscreenNG] vokoscreenNG running as: xcb client
[vokoscreenNG] vokoscreenNG running on: x11
[vokoscreenNG] Desktop: XFCE
[vokoscreenNG] Icon-Theme: Papirus-Maia
[vokoscreenNG] Styles: (bb10dark, bb10bright, chameleon, dsemilight, dsemidark, dlight, ddark, kvantum-dark, kvantum, cleanlooks, gtk2, cde, motif, plastique, qt5ct-style, Windows, Fusion)
[vokoscreenNG] Qt-PluginsPath:      /usr/lib/qt/plugins
[vokoscreenNG] Qt-TranslationsPath: /usr/share/qt/translations
[vokoscreenNG] Qt-LibraryPath:      /usr/lib
[vokoscreenNG] Settings: /home/XXX/.config/vokoscreenNG/vokoscreenNG.ini
[vokoscreenNG] Log: /home/XXX/.config/vokoscreenNG/log/2020_09_06_19_09_03.log
==14973== Conditional jump or move depends on uninitialised value(s)
==14973==    at 0xC3B2AC5: ???
==14973==    by 0xBE70417: ???
==14973== 
==14973== Conditional jump or move depends on uninitialised value(s)
==14973==    at 0xC3B2AC5: ???
==14973==    by 0xBE74947: ???
==14973== 
==14973== Conditional jump or move depends on uninitialised value(s)
==14973==    at 0xC3B2AC5: ???
==14973==    by 0x9B3B1B7: ???
==14973== 
[vokoscreenNG] Default Videopath: /homeXXX/Videos
[vokoscreenNG] User Videopath: 
[vokoscreenNG] CompositingManager running: true

==14973== Conditional jump or move depends on uninitialised value(s)
==14973==    at 0xC3B2AC5: ???
==14973==    by 0x10AA3457: ???
==14973== 
==14973== Conditional jump or move depends on uninitialised value(s)
==14973==    at 0xC3B2AC5: ???
==14973==    by 0x9BFAE07: ???
==14973== 
==14973== Conditional jump or move depends on uninitialised value(s)
==14973==    at 0xC3B2AC5: ???
==14973==    by 0x10AD64F7: ???
==14973== 
[vokoscreenNG] Symbols: + available, - not available
[vokoscreenNG] + matroskamux
[vokoscreenNG] + webmmux
[vokoscreenNG] + avimux
[vokoscreenNG] + mp4mux
[vokoscreenNG] + qtmux
[vokoscreenNG] + x264enc
[vokoscreenNG] - openh264enc
[vokoscreenNG] - vaapih264enc
[vokoscreenNG] - vaapimpeg2enc
[vokoscreenNG] + vp8enc
[vokoscreenNG] + vorbisenc
[vokoscreenNG] + flacenc
[vokoscreenNG] + opusenc
[vokoscreenNG] + lamemp3enc
[vokoscreenNG] - voaacenc

[vokoscreenNG] + ximagesrc
[vokoscreenNG] + pulsesrc
[vokoscreenNG] + pipewiresrc
[vokoscreenNG] + queue
[vokoscreenNG] + capsfilter
[vokoscreenNG] + videoconvert
[vokoscreenNG] + videorate
[vokoscreenNG] + audioconvert
[vokoscreenNG] + audiorate
[vokoscreenNG] + filesink
[vokoscreenNG] + videoscale
[vokoscreenNG] + h264parse
[vokoscreenNG] + audiomixer
[vokoscreenNG] + adder

==14973== Invalid read of size 8
==14973==    at 0x559F9F4: QScreen::name() const (in /usr/lib/libQt5Gui.so.5.15.0)
==14973==    by 0xA1EE3B5: ??? (in /usr/lib/qt/plugins/platforms/libdxcb.so)
==14973==    by 0x5F78A25: ??? (in /usr/lib/libQt5Core.so.5.15.0)
==14973==    by 0x55680E2: QGuiApplication::screenAdded(QScreen*) (in /usr/lib/libQt5Gui.so.5.15.0)
==14973==    by 0x13C88B: ??? (in /usr/bin/vokoscreenNG)
==14973==    by 0x12A0C7: main (in /usr/bin/vokoscreenNG)
==14973==  Address 0x8 is not stack'd, malloc'd or (recently) free'd
==14973== 
==14973== 
==14973== Process terminating with default action of signal 11 (SIGSEGV): dumping core
==14973==  Access not within mapped region at address 0x8
==14973==    at 0x559F9F4: QScreen::name() const (in /usr/lib/libQt5Gui.so.5.15.0)
==14973==    by 0xA1EE3B5: ??? (in /usr/lib/qt/plugins/platforms/libdxcb.so)
==14973==    by 0x5F78A25: ??? (in /usr/lib/libQt5Core.so.5.15.0)
==14973==    by 0x55680E2: QGuiApplication::screenAdded(QScreen*) (in /usr/lib/libQt5Gui.so.5.15.0)
==14973==    by 0x13C88B: ??? (in /usr/bin/vokoscreenNG)
==14973==    by 0x12A0C7: main (in /usr/bin/vokoscreenNG)
==14973==  If you believe this happened as a result of a stack
==14973==  overflow in your program's main thread (unlikely but
==14973==  possible), you can try to increase the size of the
==14973==  main thread stack using the --main-stacksize= flag.
==14973==  The main thread stack size used in this run was 8388608.
==14973== 
==14973== HEAP SUMMARY:
==14973==     in use at exit: 24,181,616 bytes in 101,443 blocks
==14973==   total heap usage: 261,138 allocs, 159,695 frees, 152,747,602 bytes allocated
==14973== 
==14973== LEAK SUMMARY:
==14973==    definitely lost: 17,017 bytes in 6 blocks
==14973==    indirectly lost: 182 bytes in 5 blocks
==14973==      possibly lost: 43,324 bytes in 239 blocks
==14973==    still reachable: 23,983,725 bytes in 100,678 blocks
==14973==                       of which reachable via heuristic:
==14973==                         length64           : 1,552 bytes in 28 blocks
==14973==                         newarray           : 1,896 bytes in 31 blocks
==14973==                         multipleinheritance: 1,920 bytes in 2 blocks
==14973==         suppressed: 0 bytes in 0 blocks
==14973== Rerun with --leak-check=full to see details of leaked memory
==14973== 
==14973== Use --track-origins=yes to see where uninitialised values come from
==14973== For lists of detected and suppressed errors, rerun with: -s
==14973== ERROR SUMMARY: 9 errors from 9 contexts (suppressed: 0 from 0)
Segmentation fault (core dumped)

I assume I need to edit vokoscreen.ini but I am not sure how. Thank you in advance for all your help!

here is the ini file --> /home/$USER/.config/vokoscreenNG/vokoscreenNG.ini

Just open it and edit it. .config is a hidden dir.

Why? It’s in the Arch community repo now.

Thank you megavolt.
I understand that but my question is how? What should I change/add/remove?

Yes, AUR is Arch User Repository but Manjaro is also using those repos. Why I want to use vokoskreen? Because it is the most convenient software for my needs.

No, I said vokoscreen is now in the Arch community repo, it was imported from the AUR two months ago.

Did you install vokoscreen from the repos or vokoscreen-git from the AUR?

Vokoscreen 3.0.4-3 has not a feature that is used by 3.0.7 pre alpha?

Btw just compiled it and started it. No issue, except Mic is not recognized. Using XFCE.

Log
[vokoscreenNG] Version: 3.0.7 pre alpha
[vokoscreenNG] Locale: de_DE
[vokoscreenNG] Log from: 2020-09-07 02:37:42
[vokoscreenNG] Country: Germany
[vokoscreenNG] Qt: 5.15.0
[vokoscreenNG] GStreamer 1.16.2
[vokoscreenNG] Operating system: Manjaro Linux
[vokoscreenNG] CPU Architecture: x86_64
[vokoscreenNG] vokoscreenNG running as: xcb client
[vokoscreenNG] vokoscreenNG running on: x11
[vokoscreenNG] Desktop: XFCE
[vokoscreenNG] Icon-Theme: Papirus-Maia
[vokoscreenNG] Styles: (bb10dark, bb10bright, kvantum-dark, kvantum, cleanlooks, gtk2, cde, motif, plastique, qt5ct-style, Windows, Fusion)
[vokoscreenNG] Qt-PluginsPath:      /usr/lib/qt/plugins
[vokoscreenNG] Qt-TranslationsPath: /usr/share/qt/translations
[vokoscreenNG] Qt-LibraryPath:      /usr/lib
[vokoscreenNG] Settings: /home/henuk/.config/vokoscreenNG/vokoscreenNG.ini
[vokoscreenNG] Log: /home/henuk/.config/vokoscreenNG/log/2020_09_07_02_37_42.log
[vokoscreenNG] Default Videopath: /home/henuk/Videos
[vokoscreenNG] User Videopath: /home/henuk/Videos
[vokoscreenNG] CompositingManager running: true

[vokoscreenNG] Symbols: + available, - not available
[vokoscreenNG] + matroskamux
[vokoscreenNG] + webmmux
[vokoscreenNG] + avimux
[vokoscreenNG] + mp4mux
[vokoscreenNG] + qtmux
[vokoscreenNG] + x264enc
[vokoscreenNG] - openh264enc
[vokoscreenNG] - vaapih264enc
[vokoscreenNG] - vaapimpeg2enc
[vokoscreenNG] + vp8enc
[vokoscreenNG] + vorbisenc
[vokoscreenNG] + flacenc
[vokoscreenNG] + opusenc
[vokoscreenNG] + lamemp3enc
[vokoscreenNG] - voaacenc

[vokoscreenNG] + ximagesrc
[vokoscreenNG] + pulsesrc
[vokoscreenNG] + pipewiresrc
[vokoscreenNG] + queue
[vokoscreenNG] + capsfilter
[vokoscreenNG] + videoconvert
[vokoscreenNG] + videorate
[vokoscreenNG] + audioconvert
[vokoscreenNG] + audiorate
[vokoscreenNG] + filesink
[vokoscreenNG] + videoscale
[vokoscreenNG] + h264parse
[vokoscreenNG] + audiomixer
[vokoscreenNG] + adder

[vokoscreenNG] Name from screen:  DVI-D-0
[vokoscreenNG] Screen available desktop width : 1280
[vokoscreenNG] Screen available desktop height: 1024
[vokoscreenNG] DevicePixelRatio: 1  (Normal displays is 1, Retina display is 2)
[vokoscreenNG] Vertical refresh rate of the screen in Hz: 60.0197
[vokoscreenNG] Screen orientation Qt::LandscapeOrientation
[vokoscreenNG] Color depth of the screen:  24
[vokoscreenNG] Model from screen:  LEN L192p-
[vokoscreenNG] Manufactur from screen:  Lenovo Group Limited
[vokoscreenNG] SerialNumber from screen:  VL-X9019-
[vokoscreenNG] ItemText in Combobox: DVI-D-0 :  1280 x 1024
[vokoscreenNG] ItemData in Combobox: x=1920 y=0 with=1280 height=1024

[vokoscreenNG] Name from screen:  HDMI-0
[vokoscreenNG] Screen available desktop width : 1920
[vokoscreenNG] Screen available desktop height: 1200
[vokoscreenNG] DevicePixelRatio: 1  (Normal displays is 1, Retina display is 2)
[vokoscreenNG] Vertical refresh rate of the screen in Hz: 59.9502
[vokoscreenNG] Screen orientation Qt::LandscapeOrientation
[vokoscreenNG] Color depth of the screen:  24
[vokoscreenNG] Model from screen:  BE24A-
[vokoscreenNG] Manufactur from screen:  Ancor Communications Inc
[vokoscreenNG] SerialNumber from screen:  G8LMQS116296-
[vokoscreenNG] ItemText in Combobox: HDMI-0 :  1920 x 1200
[vokoscreenNG] ItemData in Combobox: x=0 y=0 with=1920 height=1200

[vokoscreenNG] Desktop session is a X11 session

I downloaded Vokoskreen from AUR on Arch, when I was searching for it it wasn’t in Arch repos. On Manjaro I tried all options that Add/Remove software was offering, all with the same result except that the official repo version has only 6 errors, AUR 9.

Thank you! So, when I install vokoscreen it doesn’t recognize my dispay and desktop session, am I correct? If I add that to vokoscreenNG.ini it should solve my problem?

You haven’t answered one question straight this whole time, this is going nowhere fast.

pamac install vokoscreen doesn’t work? :confused:

Yochanan, if you are referring to this question:

than I did answer it:

So, I tried both from oficial repos on Manjaro and vokoscreen-git from AUR, both with segfault with core dump

Could you share:

lddtree $(which vokoscreenNG)

Maybe wrong version of a lib or missing.

lddtree
lddtree $(which vokoscreenNG)
/usr/bin/vokoscreenNG (interpreter => /lib64/ld-linux-x86-64.so.2)
    libgstreamer-1.0.so.0 => /usr/lib/libgstreamer-1.0.so.0
        libgmodule-2.0.so.0 => /usr/lib/libgmodule-2.0.so.0
        libm.so.6 => /usr/lib/libm.so.6
        libdl.so.2 => /usr/lib/libdl.so.2
        libunwind.so.8 => /usr/lib/libunwind.so.8
            liblzma.so.5 => /usr/lib/liblzma.so.5
        libdw.so.1 => /usr/lib/libdw.so.1
            libelf.so.1 => /usr/lib/libelf.so.1
            libz.so.1 => /usr/lib/libz.so.1
            libbz2.so.1.0 => /usr/lib/libbz2.so.1.0
        libpthread.so.0 => /usr/lib/libpthread.so.0
    libgobject-2.0.so.0 => /usr/lib/libgobject-2.0.so.0
        libffi.so.7 => /usr/lib/libffi.so.7
    libglib-2.0.so.0 => /usr/lib/libglib-2.0.so.0
        libpcre.so.1 => /usr/lib/libpcre.so.1
    libX11.so.6 => /usr/lib/libX11.so.6
        libxcb.so.1 => /usr/lib/libxcb.so.1
            libXau.so.6 => /usr/lib/libXau.so.6
            libXdmcp.so.6 => /usr/lib/libXdmcp.so.6
    libQt5X11Extras.so.5 => /usr/lib/libQt5X11Extras.so.5
    libQt5Widgets.so.5 => /usr/lib/libQt5Widgets.so.5
    libQt5Multimedia.so.5 => /usr/lib/libQt5Multimedia.so.5
        libpulse.so.0 => /usr/lib/libpulse.so.0
            libpulsecommon-13.0.so => /usr/lib/pulseaudio/libpulsecommon-13.0.so
                librt.so.1 => /usr/lib/librt.so.1
                libsndfile.so.1 => /usr/lib/libsndfile.so.1
                    libFLAC.so.8 => /usr/lib/libFLAC.so.8
                    libogg.so.0 => /usr/lib/libogg.so.0
                    libvorbis.so.0 => /usr/lib/libvorbis.so.0
                    libvorbisenc.so.2 => /usr/lib/libvorbisenc.so.2
                libsystemd.so.0 => /usr/lib/libsystemd.so.0
                    libzstd.so.1 => /usr/lib/libzstd.so.1
                    liblz4.so.1 => /usr/lib/liblz4.so.1
                    libgcrypt.so.20 => /usr/lib/libgcrypt.so.20
                        libgpg-error.so.0 => /usr/lib/libgpg-error.so.0
                libasyncns.so.0 => /usr/lib/libasyncns.so.0
                    libresolv.so.2 => /usr/lib/libresolv.so.2
            libdbus-1.so.3 => /usr/lib/libdbus-1.so.3
    libQt5Gui.so.5 => /usr/lib/libQt5Gui.so.5
        libGL.so.1 => /usr/lib/libGL.so.1
            libGLdispatch.so.0 => /usr/lib/libGLdispatch.so.0
            libGLX.so.0 => /usr/lib/libGLX.so.0
        libpng16.so.16 => /usr/lib/libpng16.so.16
        libharfbuzz.so.0 => /usr/lib/libharfbuzz.so.0
            libfreetype.so.6 => /usr/lib/libfreetype.so.6
            libharfbuzz.so.0 => !!! circular loop !!!
            libgraphite2.so.3 => /usr/lib/libgraphite2.so.3
        libmd4c.so.0 => /usr/lib/libmd4c.so.0
    libQt5Network.so.5 => /usr/lib/libQt5Network.so.5
        libgssapi_krb5.so.2 => /usr/lib/libgssapi_krb5.so.2
            libkrb5.so.3 => /usr/lib/libkrb5.so.3
            libk5crypto.so.3 => /usr/lib/libk5crypto.so.3
            libcom_err.so.2 => /usr/lib/libcom_err.so.2
            libkrb5support.so.0 => /usr/lib/libkrb5support.so.0
            libkeyutils.so.1 => /usr/lib/libkeyutils.so.1
        libssl.so.1.1 => /usr/lib/libssl.so.1.1
        libcrypto.so.1.1 => /usr/lib/libcrypto.so.1.1
    libQt5Core.so.5 => /usr/lib/libQt5Core.so.5
        libdouble-conversion.so.3 => /usr/lib/libdouble-conversion.so.3
        libicui18n.so.67 => /usr/lib/libicui18n.so.67
        libicuuc.so.67 => /usr/lib/libicuuc.so.67
            libicudata.so.67 => /usr/lib/libicudata.so.67
        libpcre2-16.so.0 => /usr/lib/libpcre2-16.so.0
    libstdc++.so.6 => /usr/lib/libstdc++.so.6
    libgcc_s.so.1 => /usr/lib/libgcc_s.so.1
    libc.so.6 => /usr/lib/libc.so.6

Otherwise i would rather say it is a bug of the newest KDE or vokoscreen.

No, I just reinstalled it from terminal with same results.

lddtree $(which vokoscreenNG)
/usr/bin/vokoscreenNG (interpreter => /lib64/ld-linux-x86-64.so.2)
    libgstreamer-1.0.so.0 => /usr/lib/libgstreamer-1.0.so.0
        libgmodule-2.0.so.0 => /usr/lib/libgmodule-2.0.so.0
        libm.so.6 => /usr/lib/libm.so.6
        libdl.so.2 => /usr/lib/libdl.so.2
        libunwind.so.8 => /usr/lib/libunwind.so.8
            liblzma.so.5 => /usr/lib/liblzma.so.5
        libdw.so.1 => /usr/lib/libdw.so.1
            libelf.so.1 => /usr/lib/libelf.so.1
            libz.so.1 => /usr/lib/libz.so.1
            libbz2.so.1.0 => /usr/lib/libbz2.so.1.0
        libpthread.so.0 => /usr/lib/libpthread.so.0
    libgobject-2.0.so.0 => /usr/lib/libgobject-2.0.so.0
        libffi.so.7 => /usr/lib/libffi.so.7
    libglib-2.0.so.0 => /usr/lib/libglib-2.0.so.0
        libpcre.so.1 => /usr/lib/libpcre.so.1
    libX11.so.6 => /usr/lib/libX11.so.6
        libxcb.so.1 => /usr/lib/libxcb.so.1
            libXau.so.6 => /usr/lib/libXau.so.6
            libXdmcp.so.6 => /usr/lib/libXdmcp.so.6
    libQt5X11Extras.so.5 => /usr/lib/libQt5X11Extras.so.5
    libQt5Widgets.so.5 => /usr/lib/libQt5Widgets.so.5
    libQt5Multimedia.so.5 => /usr/lib/libQt5Multimedia.so.5
        libpulse.so.0 => /usr/lib/libpulse.so.0
            libpulsecommon-13.0.so => /usr/lib/pulseaudio/libpulsecommon-13.0.so
                librt.so.1 => /usr/lib/librt.so.1
                libsndfile.so.1 => /usr/lib/libsndfile.so.1
                    libFLAC.so.8 => /usr/lib/libFLAC.so.8
                    libogg.so.0 => /usr/lib/libogg.so.0
                    libvorbis.so.0 => /usr/lib/libvorbis.so.0
                    libvorbisenc.so.2 => /usr/lib/libvorbisenc.so.2
                libsystemd.so.0 => /usr/lib/libsystemd.so.0
                    libzstd.so.1 => /usr/lib/libzstd.so.1
                    liblz4.so.1 => /usr/lib/liblz4.so.1
                    libgcrypt.so.20 => /usr/lib/libgcrypt.so.20
                        libgpg-error.so.0 => /usr/lib/libgpg-error.so.0
                libasyncns.so.0 => /usr/lib/libasyncns.so.0
                    libresolv.so.2 => /usr/lib/libresolv.so.2
            libdbus-1.so.3 => /usr/lib/libdbus-1.so.3
    libQt5Gui.so.5 => /usr/lib/libQt5Gui.so.5
        libGL.so.1 => /usr/lib/libGL.so.1
            libGLdispatch.so.0 => /usr/lib/libGLdispatch.so.0
            libGLX.so.0 => /usr/lib/libGLX.so.0
        libpng16.so.16 => /usr/lib/libpng16.so.16
        libharfbuzz.so.0 => /usr/lib/libharfbuzz.so.0
            libfreetype.so.6 => /usr/lib/libfreetype.so.6
            libharfbuzz.so.0 => !!! circular loop !!!
            libgraphite2.so.3 => /usr/lib/libgraphite2.so.3
        libmd4c.so.0 => /usr/lib/libmd4c.so.0
    libQt5Network.so.5 => /usr/lib/libQt5Network.so.5
        libgssapi_krb5.so.2 => /usr/lib/libgssapi_krb5.so.2
            libkrb5.so.3 => /usr/lib/libkrb5.so.3
            libk5crypto.so.3 => /usr/lib/libk5crypto.so.3
            libcom_err.so.2 => /usr/lib/libcom_err.so.2
            libkrb5support.so.0 => /usr/lib/libkrb5support.so.0
            libkeyutils.so.1 => /usr/lib/libkeyutils.so.1
        libssl.so.1.1 => /usr/lib/libssl.so.1.1
        libcrypto.so.1.1 => /usr/lib/libcrypto.so.1.1
    libQt5Core.so.5 => /usr/lib/libQt5Core.so.5
        libdouble-conversion.so.3 => /usr/lib/libdouble-conversion.so.3
        libicui18n.so.67 => /usr/lib/libicui18n.so.67
        libicuuc.so.67 => /usr/lib/libicuuc.so.67
            libicudata.so.67 => /usr/lib/libicudata.so.67
        libpcre2-16.so.0 => /usr/lib/libpcre2-16.so.0
    libstdc++.so.6 => /usr/lib/libstdc++.so.6
    libgcc_s.so.1 => /usr/lib/libgcc_s.so.1
    libc.so.6 => /usr/lib/libc.so.6

It is identical. :confused: I would say it is a bug with KDE or what ever DE you are using and vokoscreen. I would recommend to push an issue to the vokoscreen repo.

I am using XFCE. I checked it under Fluxbox as well - same result (no KDE or Gnome).

Did you try to delete he ini and start again?

It has definitely something to do with the screen settings or the libs. Did you install any other non manjaro packages?

pamac list -i | grep AUR

Just a sidenote: not everything in the AUR is compatible with manjaro, There are differences sometimes.

I just deleted vokoscreenNG.ini, reinstalled vokoscreen - same result.
I installed packages from AUR (using pamac)

idesk                              0.7.5-8                     AUR        248.3 kB
idle-python3.7-assets              1.0-1                       AUR        17.7 kB
idlex                              1.18-1                      AUR        2.7 MB
kazam                              1.4.5-9                     AUR        1.6 MB
python-jupytext                    1.5.2-1                     AUR        913.5 kB
vmware-keymaps                     1.0-1                       AUR        59.3 kB
vmware-workstation                 15.5.6-4                    AUR        929.8 MB
winetricks-git                     20200412.r131.g354dd41-1    AUR        933.3 kB
zoom                               5.2.454870.0831-1           AUR        148.0 MB