Investigate Segfault of lumina-screenshot on Fedora 34

[q5sys]

[q5sys@Artemis lumina-screenshot]$ gdb ./lumina-screenshot 
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Reading symbols from ./lumina-screenshot...
(gdb) run
Starting program: /home/q5sys/git/lumina/src-qt5/desktop-utils/lumina-screenshot/lumina-screenshot 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
[New Thread 0x7fffe588a640 (LWP 91740)]

Thread 1 "lumina-screensh" received signal SIGSEGV, Segmentation fault.
0x00007ffff7f91d88 in xcb_get_setup () from /lib64/libxcb.so.1
Missing separate debuginfos, use: dnf debuginfo-install bzip2-libs-1.0.8-6.fc34.x86_64 dbus-libs-1.12.20-3.fc34.x86_64 fontconfig-2.13.93-6.fc34.x86_64 freetype-2.10.4-3.fc34.x86_64 glib2-2.68.4-1.fc34.x86_64 glibc-2.33-20.fc34.x86_64 graphite2-1.3.14-7.fc34.x86_64 harfbuzz-2.7.4-3.fc34.x86_64 jasper-libs-2.0.32-1.fc34.x86_64 jbigkit-libs-2.1-21.fc34.x86_64 jpegxl-libs-0.3.7-3.fc34.x86_64 keyutils-libs-1.6.1-2.fc34.x86_64 kf5-kimageformats-5.83.0-1.fc34.x86_64 krb5-libs-1.19.2-2.fc34.x86_64 libX11-1.7.0-3.fc34.x86_64 libXau-1.0.9-6.fc34.x86_64 libXdamage-1.1.5-5.fc34.x86_64 libXext-1.3.4-6.fc34.x86_64 libXfixes-5.0.3-14.fc34.x86_64 libXrender-0.9.10-14.fc34.x86_64 libaom-3.1.1-1.fc34.x86_64 libavif-0.9.0-2.fc34.x86_64 libbrotli-1.0.9-4.fc34.x86_64 libcap-2.48-2.fc34.x86_64 libcom_err-1.45.6-5.fc34.x86_64 libdav1d-0.9.0-1.fc34.x86_64 libgcc-11.1.1-3.fc34.x86_64 libglvnd-1.3.3-1.fc34.x86_64 libglvnd-glx-1.3.3-1.fc34.x86_64 libgpg-error-1.42-1.fc34.x86_64 libicu-67.1-6.fc34.x86_64 libjpeg-turbo-2.0.90-2.fc34.x86_64 libpng-1.6.37-10.fc34.x86_64 libstdc++-11.1.1-3.fc34.x86_64 libtiff-4.2.0-1.fc34.x86_64 libvmaf-2.1.1-1.fc34.x86_64 libwayland-client-1.19.0-1.fc34.x86_64 libwayland-cursor-1.19.0-1.fc34.x86_64 libxcb-1.13.1-7.fc34.x86_64 libzstd-1.5.0-1.fc34.x86_64 lz4-libs-1.9.3-2.fc34.x86_64 openexr-libs-2.5.5-1.fc34.x86_64 openssl-libs-1.1.1k-1.fc34.x86_64 pcre-8.44-3.fc34.1.x86_64 pcre2-10.36-4.fc34.x86_64 pcre2-utf16-10.36-4.fc34.x86_64 qt5-qtbase-5.15.2-22.fc34.x86_64 qt5-qtbase-gui-5.15.2-22.fc34.x86_64 qt5-qtimageformats-5.15.2-3.fc34.x86_64 qt5-qtsvg-5.15.2-4.fc34.x86_64 qt5-qtwayland-5.15.2-7.fc34.x86_64 qt5-qtwebengine-5.15.2-9.fc34.x86_64 qt5-qtx11extras-5.15.2-3.fc34.x86_64 systemd-libs-248.3-1.fc34.x86_64 xcb-util-0.4.0-17.fc34.x86_64 xcb-util-image-0.4.0-17.fc34.x86_64 xcb-util-wm-0.4.1-20.fc34.x86_64 xz-libs-5.2.5-5.fc34.x86_64 zlib-1.2.11-26.fc34.x86_64
(gdb) backtrace
#0  0x00007ffff7f91d88 in xcb_get_setup () from /lib64/libxcb.so.1
#1  0x00007ffff7f78bd0 in xcb_ewmh_init_atoms () from /lib64/libxcb-ewmh.so.2
#2  0x0000555555563c9c in LXCB::LXCB (this=0x55555566c7e0) at ../../core/libLumina/LuminaX11.cpp:44
#3  MainUI::MainUI (this=0x7fffffffd980) at ../../core/libLumina/LuminaX11.cpp:43
#4  main (argc=<optimized out>, argv=<optimized out>) at /home/q5sys/git/lumina/src-qt5/desktop-utils/lumina-screenshot/main.cpp:22