I had various crashes in ksmserver. Even if you read
Missing separate debuginfos, use: dnf debuginfo-install plasma-workspace-5.6.2-1.fc23.x86_64
I already runned that command, but I kept receiving that message.

Hereunder, GDB backtrace


GNU gdb (GDB) Fedora 7.10.1-31.fc23
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/bin/ksmserver...
warning: the debug information found in "/usr/lib/debug//usr/bin/ksmserver.debug" does not match "/usr/bin/ksmserver" (CRC mismatch).

Reading symbols from /usr/bin/ksmserver...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Attaching to program: /usr/bin/ksmserver, process 6971
Reading symbols from /lib64/libkdeinit5_ksmserver.so...Reading symbols from /lib64/libkdeinit5_ksmserver.so...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Reading symbols from /lib64/libKScreenLocker.so.5...Reading symbols from /lib64/libKScreenLocker.so.5...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Reading symbols from /lib64/libkworkspace5.so.5...Reading symbols from /lib64/libkworkspace5.so.5...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Reading symbols from /lib64/libSM.so.6...Reading symbols from /usr/lib/debug/usr/lib64/libSM.so.6.0.1.debug...done.
done.
Reading symbols from /lib64/libICE.so.6...Reading symbols from /usr/lib/debug/usr/lib64/libICE.so.6.3.0.debug...done.
done.
Reading symbols from /lib64/libX11.so.6...Reading symbols from /usr/lib/debug/usr/lib64/libX11.so.6.3.0.debug...done.
done.
Reading symbols from /lib64/libXext.so.6...Reading symbols from /usr/lib/debug/usr/lib64/libXext.so.6.4.0.debug...done.                                                                                             
done.                                                                                                     
Reading symbols from /lib64/libXrender.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libXrender.so.1.3.0.debug...done.                                                                                       
done.                                                                                                     
Reading symbols from /lib64/libKF5Declarative.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5Declarative.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libQt5Quick.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libQt5Quick.so.5.6.0.debug...done.
done.
Reading symbols from /lib64/libQt5Qml.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libQt5Qml.so.5.6.0.debug...done.
done.
Reading symbols from /lib64/libKF5Package.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5Package.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5KDELibs4Support.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5KDELibs4Support.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5Crash.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5Crash.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5KIOFileWidgets.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5KIOFileWidgets.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5Solid.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5Solid.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5Bookmarks.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5Bookmarks.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5Notifications.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5Notifications.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5UnitConversion.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5UnitConversion.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5Parts.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5Parts.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5XmlGui.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5XmlGui.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5GlobalAccel.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5GlobalAccel.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libQt5PrintSupport.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libQt5PrintSupport.so.5.6.0.debug...done.
done.
Reading symbols from /lib64/libKF5KIOWidgets.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5KIOWidgets.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5KIOCore.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5KIOCore.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5JobWidgets.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5JobWidgets.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libQt5Network.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libQt5Network.so.5.6.0.debug...done.
done.
Reading symbols from /lib64/libKF5TextWidgets.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5TextWidgets.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5Service.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5Service.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5DBusAddons.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5DBusAddons.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5Completion.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5Completion.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5IconThemes.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5IconThemes.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5ConfigWidgets.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5ConfigWidgets.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5GuiAddons.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5GuiAddons.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5Codecs.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5Codecs.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5ConfigGui.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5ConfigGui.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libQt5Xml.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libQt5Xml.so.5.6.0.debug...done.
done.
Reading symbols from /lib64/libKF5ConfigCore.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5ConfigCore.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5Auth.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5Auth.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5CoreAddons.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5CoreAddons.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5WidgetsAddons.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5WidgetsAddons.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5I18n.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5I18n.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5ItemViews.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5ItemViews.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libKF5WindowSystem.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5WindowSystem.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libQt5X11Extras.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libQt5X11Extras.so.5.6.0.debug...done.
done.
Reading symbols from /lib64/libKF5SonnetUi.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5SonnetUi.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libphonon4qt5experimental.so.4...Reading symbols from /usr/lib/debug/usr/lib64/libphonon4qt5experimental.so.4.8.3.debug...done.
done.
Reading symbols from /lib64/libphonon4qt5.so.4...Reading symbols from /usr/lib/debug/usr/lib64/libphonon4qt5.so.4.8.3.debug...done.
done.
Reading symbols from /lib64/libQt5DBus.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libQt5DBus.so.5.6.0.debug...done.
done.
Reading symbols from /lib64/libQt5Widgets.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libQt5Widgets.so.5.6.0.debug...done.
done.
Reading symbols from /lib64/libQt5Gui.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libQt5Gui.so.5.6.0.debug...done.
done.
Reading symbols from /lib64/libQt5Core.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libQt5Core.so.5.6.0.debug...done.
done.
Reading symbols from /lib64/libstdc++.so.6...Reading symbols from /usr/lib/debug/usr/lib64/libstdc++.so.6.0.21.debug...done.
done.
Reading symbols from /lib64/libm.so.6...Reading symbols from /usr/lib/debug/lib64/libm-2.22.so.debug...done.
done.
Reading symbols from /lib64/libgcc_s.so.1...Reading symbols from /usr/lib/debug/lib64/libgcc_s-5.3.1-20160406.so.1.debug...done.
done.
Reading symbols from /lib64/libc.so.6...Reading symbols from /usr/lib/debug/lib64/libc-2.22.so.debug...done.
done.
Reading symbols from /lib64/libKF5IdleTime.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5IdleTime.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libXcursor.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libXcursor.so.1.0.2.debug...done.
done.
Reading symbols from /lib64/libxcb.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libxcb.so.1.1.0.debug...done.
done.
Reading symbols from /lib64/libxcb-keysyms.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libxcb-keysyms.so.1.0.0.debug...done.
done.
Reading symbols from /lib64/libKF5WaylandServer.so.5...Reading symbols from /lib64/libKF5WaylandServer.so.5...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Reading symbols from /lib64/libwayland-server.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libwayland-server.so.0.1.0.debug...done.
done.
Reading symbols from /lib64/libXi.so.6...Reading symbols from /usr/lib/debug/usr/lib64/libXi.so.6.1.0.debug...done.
done.
Reading symbols from /lib64/libKF5Plasma.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5Plasma.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libXau.so.6...Reading symbols from /usr/lib/debug/usr/lib64/libXau.so.6.0.0.debug...done.
done.
Reading symbols from /lib64/libuuid.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libuuid.so.1.3.0.debug...done.
done.
Reading symbols from /lib64/libdl.so.2...Reading symbols from /usr/lib/debug/lib64/libdl-2.22.so.debug...done.
done.
Reading symbols from /lib64/libpthread.so.0...Reading symbols from /usr/lib/debug/lib64/libpthread-2.22.so.debug...done.
done.
[New LWP 7024]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Reading symbols from /usr/lib64/nvidia-340xx/libGL.so.1...(no debugging symbols found)...done.
Reading symbols from /lib64/librt.so.1...Reading symbols from /usr/lib/debug/lib64/librt-2.22.so.debug...done.
done.
Reading symbols from /lib64/libKF5Archive.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5Archive.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libQt5Test.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libQt5Test.so.5.6.0.debug...done.
done.
Reading symbols from /lib64/libQt5Svg.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libQt5Svg.so.5.6.0.debug...done.
done.
Reading symbols from /lib64/libudev.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libudev.so.1.6.4.debug...done.
done.
Reading symbols from /lib64/libdbusmenu-qt5.so.2...Reading symbols from /usr/lib/debug/usr/lib64/libdbusmenu-qt5.so.2.6.0.debug...done.
done.
Reading symbols from /lib64/libKF5Attica.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5Attica.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libacl.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libacl.so.1.1.0.debug...done.
done.
Reading symbols from /lib64/libattr.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libattr.so.1.1.0.debug...done.
done.
Reading symbols from /lib64/libQt5Concurrent.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libQt5Concurrent.so.5.6.0.debug...done.
done.
Reading symbols from /lib64/libz.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libz.so.1.2.8.debug...done.
done.
Reading symbols from /lib64/libproxy.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libproxy.so.1.0.0.debug...done.
done.
Reading symbols from /lib64/libssl.so.10...Reading symbols from /usr/lib/debug/usr/lib64/libssl.so.1.0.2g.debug...done.
done.
Reading symbols from /lib64/libcrypto.so.10...Reading symbols from /usr/lib/debug/usr/lib64/libcrypto.so.1.0.2g.debug...done.
done.
Reading symbols from /lib64/libKF5SonnetCore.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5SonnetCore.so.5.21.0.debug...done.
done.
Reading symbols from /lib64/libXfixes.so.3...Reading symbols from /usr/lib/debug/usr/lib64/libXfixes.so.3.1.0.debug...done.
done.
Reading symbols from /lib64/libpulse.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libpulse.so.0.18.2.debug...done.
done.
Reading symbols from /lib64/libpulse-mainloop-glib.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libpulse-mainloop-glib.so.0.0.5.debug...done.
done.
Reading symbols from /lib64/libdbus-1.so.3...Reading symbols from /usr/lib/debug/usr/lib64/libdbus-1.so.3.14.6.debug...done.
done.
Reading symbols from /lib64/libgobject-2.0.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libgobject-2.0.so.0.4600.2.debug...done.
done.
Reading symbols from /lib64/libglib-2.0.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libglib-2.0.so.0.4600.2.debug...done.
done.
Reading symbols from /lib64/libpng16.so.16...Reading symbols from /usr/lib/debug/usr/lib64/libpng16.so.16.19.0.debug...done.
done.
Reading symbols from /lib64/libharfbuzz.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libharfbuzz.so.0.10000.6.debug...done.
done.
Reading symbols from /lib64/libicui18n.so.54...Reading symbols from /usr/lib/debug/usr/lib64/libicui18n.so.54.1.debug...done.
done.
Reading symbols from /lib64/libicuuc.so.54...Reading symbols from /usr/lib/debug/usr/lib64/libicuuc.so.54.1.debug...done.
done.
Reading symbols from /lib64/libicudata.so.54...Reading symbols from /usr/lib/debug/usr/lib64/libicudata.so.54.1.debug...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Reading symbols from /lib64/libpcre16.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libpcre16.so.0.2.6.debug...done.
done.
Reading symbols from /lib64/libgthread-2.0.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libgthread-2.0.so.0.4600.2.debug...done.
done.
Reading symbols from /lib64/ld-linux-x86-64.so.2...Reading symbols from /usr/lib/debug/lib64/ld-2.22.so.debug...done.
done.
Reading symbols from /usr/lib64/nvidia-340xx/libEGL.so.1...(no debugging symbols found)...done.
Reading symbols from /lib64/libffi.so.6...Reading symbols from /usr/lib/debug/usr/lib64/libffi.so.6.0.2.debug...done.
done.
Reading symbols from /lib64/libQt5Sql.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libQt5Sql.so.5.6.0.debug...done.
done.
Reading symbols from /usr/lib64/nvidia-340xx/tls/libnvidia-tls.so.340.96...(no debugging symbols found)...done.
Reading symbols from /usr/lib64/nvidia-340xx/libnvidia-glcore.so.340.96...(no debugging symbols found)...done.
Reading symbols from /lib64/libbz2.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libbz2.so.1.0.6.debug...done.
done.
Reading symbols from /lib64/liblzma.so.5...Reading symbols from /usr/lib/debug/usr/lib64/liblzma.so.5.2.1.debug...done.
done.
Reading symbols from /lib64/libselinux.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libselinux.so.1.debug...done.
done.
Reading symbols from /lib64/libresolv.so.2...Reading symbols from /usr/lib/debug/lib64/libresolv-2.22.so.debug...done.
done.
Reading symbols from /lib64/libdw.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libdw-0.166.so.debug...done.
done.
Reading symbols from /lib64/libcap.so.2...Reading symbols from /usr/lib/debug/usr/lib64/libcap.so.2.24.debug...done.
done.
Reading symbols from /lib64/libmodman.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libmodman.so.1.0.0.debug...done.
done.
Reading symbols from /lib64/libgssapi_krb5.so.2...Reading symbols from /usr/lib/debug/usr/lib64/libgssapi_krb5.so.2.2.debug...done.
done.
Reading symbols from /lib64/libkrb5.so.3...Reading symbols from /usr/lib/debug/usr/lib64/libkrb5.so.3.3.debug...done.
done.
Reading symbols from /lib64/libcom_err.so.2...Reading symbols from /usr/lib/debug/usr/lib64/libcom_err.so.2.1.debug...done.
done.
Reading symbols from /lib64/libk5crypto.so.3...Reading symbols from /usr/lib/debug/usr/lib64/libk5crypto.so.3.1.debug...done.
done.
Reading symbols from /usr/lib64/pulseaudio/libpulsecommon-7.1.so...Reading symbols from /usr/lib/debug/usr/lib64/pulseaudio/libpulsecommon-7.1.so.debug...done.
done.
Reading symbols from /lib64/libX11-xcb.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libX11-xcb.so.1.0.0.debug...done.
done.
Reading symbols from /lib64/libXtst.so.6...Reading symbols from /usr/lib/debug/usr/lib64/libXtst.so.6.1.0.debug...done.
done.
Reading symbols from /lib64/libsystemd.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libsystemd.so.0.9.0.debug...done.
done.
Reading symbols from /lib64/libjson-c.so.2...Reading symbols from /usr/lib/debug/usr/lib64/libjson-c.so.2.0.1.debug...done.
done.
Reading symbols from /lib64/libwrap.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libwrap.so.0.7.6.debug...done.
done.
Reading symbols from /lib64/libsndfile.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libsndfile.so.1.0.25.debug...done.
done.
Reading symbols from /lib64/libasyncns.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libasyncns.so.0.3.1.debug...done.
done.
Reading symbols from /lib64/libfreetype.so.6...Reading symbols from /usr/lib/debug/usr/lib64/libfreetype.so.6.12.0.debug...done.
done.
Reading symbols from /lib64/libgraphite2.so.3...Reading symbols from /usr/lib/debug/usr/lib64/libgraphite2.so.3.0.1.debug...done.
done.
Reading symbols from /usr/lib64/nvidia-340xx/libnvidia-glsi.so.340.96...(no debugging symbols found)...done.
Reading symbols from /lib64/libpcre.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libpcre.so.1.2.6.debug...done.
done.
Reading symbols from /lib64/libelf.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libelf-0.166.so.debug...done.
done.
Reading symbols from /lib64/libkrb5support.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libkrb5support.so.0.1.debug...done.
done.
Reading symbols from /lib64/libkeyutils.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libkeyutils.so.1.5.debug...done.
done.
Reading symbols from /lib64/libgcrypt.so.20...Reading symbols from /usr/lib/debug/usr/lib64/libgcrypt.so.20.0.4.debug...done.
done.
Reading symbols from /lib64/libgpg-error.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libgpg-error.so.0.17.0.debug...done.
done.
Reading symbols from /lib64/libnsl.so.1...Reading symbols from /usr/lib/debug/lib64/libnsl-2.22.so.debug...done.
done.
Reading symbols from /lib64/libgsm.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libgsm.so.1.0.12.debug...done.
done.
Reading symbols from /lib64/libFLAC.so.8...Reading symbols from /usr/lib/debug/usr/lib64/libFLAC.so.8.3.0.debug...done.
done.
Reading symbols from /lib64/libvorbisenc.so.2...Reading symbols from /usr/lib/debug/usr/lib64/libvorbisenc.so.2.0.10.debug...done.
done.
Reading symbols from /lib64/libogg.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libogg.so.0.8.2.debug...done.
done.
Reading symbols from /lib64/libvorbis.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libvorbis.so.0.4.7.debug...done.
done.
Reading symbols from /usr/lib64/qt5/plugins/platforms/libqxcb.so...Reading symbols from /usr/lib/debug/usr/lib64/qt5/plugins/platforms/libqxcb.so.debug...done.
done.
Reading symbols from /lib64/libfontconfig.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libfontconfig.so.1.9.0.debug...done.
done.
Reading symbols from /lib64/libinput.so.10...Reading symbols from /usr/lib/debug/usr/lib64/libinput.so.10.7.6.debug...done.
done.
Reading symbols from /lib64/libxkbcommon.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libxkbcommon.so.0.0.0.debug...done.
done.
Reading symbols from /lib64/libQt5XcbQpa.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libQt5XcbQpa.so.5.6.0.debug...done.
done.
Reading symbols from /lib64/libexpat.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libexpat.so.1.6.0.debug...done.
done.
Reading symbols from /lib64/libmtdev.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libmtdev.so.1.0.0.debug...done.
done.
Reading symbols from /lib64/libevdev.so.2...Reading symbols from /usr/lib/debug/usr/lib64/libevdev.so.2.1.11.debug...done.
done.
Reading symbols from /lib64/libwacom.so.2...Reading symbols from /usr/lib/debug/usr/lib64/libwacom.so.2.4.5.debug...done.
done.
Reading symbols from /lib64/libxcb-render-util.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libxcb-render-util.so.0.0.0.debug...done.
done.
Reading symbols from /lib64/libxcb-render.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libxcb-render.so.0.0.0.debug...done.
done.
Reading symbols from /lib64/libxcb-image.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libxcb-image.so.0.0.0.debug...done.
done.
Reading symbols from /lib64/libxcb-icccm.so.4...Reading symbols from /usr/lib/debug/usr/lib64/libxcb-icccm.so.4.0.0.debug...done.
done.
Reading symbols from /lib64/libxcb-sync.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libxcb-sync.so.1.0.0.debug...done.
done.
Reading symbols from /lib64/libxcb-xfixes.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libxcb-xfixes.so.0.0.0.debug...done.
done.
Reading symbols from /lib64/libxcb-shm.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libxcb-shm.so.0.0.0.debug...done.
done.
Reading symbols from /lib64/libxcb-randr.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libxcb-randr.so.0.1.0.debug...done.
done.
Reading symbols from /lib64/libxcb-shape.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libxcb-shape.so.0.0.0.debug...done.
done.
Reading symbols from /lib64/libxcb-xinerama.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libxcb-xinerama.so.0.0.0.debug...done.
done.
Reading symbols from /lib64/libxcb-xkb.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libxcb-xkb.so.1.0.0.debug...done.
done.
Reading symbols from /lib64/libxkbcommon-x11.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libxkbcommon-x11.so.0.0.0.debug...done.
done.
Reading symbols from /lib64/libgudev-1.0.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libgudev-1.0.so.0.2.0.debug...done.
done.
Reading symbols from /lib64/libxcb-util.so.1...Reading symbols from /usr/lib/debug/usr/lib64/libxcb-util.so.1.0.0.debug...done.
done.
Reading symbols from /lib64/libgio-2.0.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libgio-2.0.so.0.4600.2.debug...done.
done.
Reading symbols from /lib64/libgmodule-2.0.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libgmodule-2.0.so.0.4600.2.debug...done.
done.
Reading symbols from /usr/lib64/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so...Reading symbols from /usr/lib/debug/usr/lib64/qt5/plugins/xcbglintegrations/libqxcb-glx-integration.so.debug...done.
done.
Reading symbols from /lib64/libxcb-glx.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libxcb-glx.so.0.0.0.debug...done.
done.
Reading symbols from /usr/lib64/qt5/plugins/platformthemes/KDEPlasmaPlatformTheme.so...Reading symbols from /usr/lib64/qt5/plugins/platformthemes/KDEPlasmaPlatformTheme.so...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Reading symbols from /lib64/libKF5WaylandClient.so.5...Reading symbols from /lib64/libKF5WaylandClient.so.5...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Reading symbols from /lib64/libwayland-client.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libwayland-client.so.0.3.0.debug...done.
done.
Reading symbols from /usr/lib64/qt5/plugins/platforminputcontexts/libcomposeplatforminputcontextplugin.so...Reading symbols from /usr/lib/debug/usr/lib64/qt5/plugins/platforminputcontexts/libcomposeplatforminputcontextplugin.so.debug...done.
done.
Reading symbols from /usr/lib64/qt5/plugins/styles/breeze.so...
warning: the debug information found in "/usr/lib/debug//usr/lib64/qt5/plugins/styles/breeze.so.debug" does not match "/usr/lib64/qt5/plugins/styles/breeze.so" (CRC mismatch).

Reading symbols from /usr/lib64/qt5/plugins/styles/breeze.so...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Reading symbols from /lib64/libKF5Style.so.5...Reading symbols from /usr/lib/debug/usr/lib64/libKF5Style.so.5.21.0.debug...done.
done.
Reading symbols from /usr/lib64/qt5/plugins/kf5/org.kde.kidletime.platforms/KF5IdleTimeXcbPlugin0.so...Reading symbols from /usr/lib/debug/usr/lib64/qt5/plugins/kf5/org.kde.kidletime.platforms/KF5IdleTimeXcbPlugin0.so.debug...done.
done.
0x00007f551cb1240b in __GI___waitpid (pid=pid@entry=-1, stat_loc=stat_loc@entry=0x0, 
    options=options@entry=0) at ../sysdeps/unix/sysv/linux/waitpid.c:29
29        return SYSCALL_CANCEL (wait4, pid, stat_loc, options, NULL);
Missing separate debuginfos, use: dnf debuginfo-install plasma-workspace-5.6.2-1.fc23.x86_64
(gdb) bt
#0  0x00007f551cb1240b in __GI___waitpid (pid=pid@entry=-1, stat_loc=stat_loc@entry=0x0, options=options@entry=0) at ../sysdeps/unix/sysv/linux/waitpid.c:29
#1  0x00007f55232b7d9c in KCrash::startProcess(int, char const**, bool) (directly=true, waitAndExit=true, argv=0x7ffc94444bf0, argc=8196) at /usr/src/debug/kcrash-5.21.0/src/kcrash.cpp:639
#2  0x00007f55232b7d9c in KCrash::startProcess(int, char const**, bool) (argc=argc@entry=15, argv=argv@entry=0x7ffc94444bf0, waitAndExit=waitAndExit@entry=true) at /usr/src/debug/kcrash-5.21.0/src/kcrash.cpp:621
#3  0x00007f55232b8280 in KCrash::defaultCrashHandler(int) (sig=<optimized out>)
    at /usr/src/debug/kcrash-5.21.0/src/kcrash.cpp:527
#4  0x00007f551ca7eb20 in <signal handler called> () at /lib64/libc.so.6
#5  0x00007f5525580bf6 in KSMServer::deleteClient(KSMClient*) () at /lib64/libkdeinit5_ksmserver.so
#6  0x00007f5525580e58 in KSMCloseConnectionProc(_SmsConn*, void*, int, char**) ()
    at /lib64/libkdeinit5_ksmserver.so
#7  0x00007f5524f0ebbc in _SmsProcessMessage (iceConn=<optimized out>, clientData=0x5555579664a0, opcode=<optimized out>, length=<optimized out>, swap=<optimized out>) at sm_process.c:761
#8  0x00007f5524cfe361 in IceProcessMessages (iceConn=0x555557972ae0, replyWait=0x0, replyReadyRet=0x0)
    at process.c:378
#9  0x00007f5525580eb2 in KSMServer::processData(int) () at /lib64/libkdeinit5_ksmserver.so
#10 0x00007f551d9533de in QMetaObject::activate(QObject*, int, int, void**) (a=0x7ffc944453e0, r=0x5555578db430, this=<optimized out>) at ../../src/corelib/kernel/qobject_impl.h:124
#11 0x00007f551d9533de in QMetaObject::activate(QObject*, int, int, void**) (sender=sender@entry=0x555557949fc0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc944453e0) at kernel/qobject.cpp:3715
#12 0x00007f551d953977 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x555557949fc0, m=m@entry=0x7f551db6dc20 <QSocketNotifier::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffc944453e0) at kernel/qobject.cpp:3595
#13 0x00007f551d9ceaee in QSocketNotifier::activated(int, QSocketNotifier::QPrivateSignal) (this=this@entry=0x555557949fc0, _t1=17) at .moc/moc_qsocketnotifier.cpp:135
#14 0x00007f551d95f4fb in QSocketNotifier::event(QEvent*) (this=0x555557949fc0, e=<optimized out>)
    at kernel/qsocketnotifier.cpp:260
#15 0x00007f551e25ac0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x555557949fc0, e=0x7ffc94445650) at kernel/qapplication.cpp:3714
#16 0x00007f551e25fe96 in QApplication::notify(QObject*, QEvent*) (this=
    0x55555783e210, receiver=0x555557949fc0, e=0x7ffc94445650) at kernel/qapplication.cpp:3495
#17 0x00007f551d926968 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x555557949fc0, event=event@entry=0x7ffc94445650) at kernel/qcoreapplication.cpp:1015
#18 0x00007f551d97c1ad in socketNotifierSourceDispatch(GSource*, GSourceFunc, gpointer) (event=0x7ffc94445650, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:227
#19 0x00007f551d97c1ad in socketNotifierSourceDispatch(GSource*, GSourceFunc, gpointer) (source=0x5555578af8b0) at kernel/qeventdispatcher_glib.cpp:100
#20 0x00007f551846ce3a in g_main_context_dispatch (context=0x7f54fc001710) at gmain.c:3154
#21 0x00007f551846ce3a in g_main_context_dispatch (context=context@entry=0x7f54fc001710) at gmain.c:3769
#22 0x00007f551846d1d0 in g_main_context_iterate (context=context@entry=0x7f54fc001710, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3840
#23 0x00007f551846d27c in g_main_context_iteration (context=0x7f54fc001710, may_block=may_block@entry=1)
    at gmain.c:3901
---Type <return> to continue, or q <return> to quit---
#24 0x00007f551d97bd0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x5555578b3750, flags=...) at kernel/qeventdispatcher_glib.cpp:419
#25 0x00007f551d9246ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffc94445870, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#26 0x00007f551d92cddc in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1285
#27 0x00007f552557ecc9 in kdemain () at /lib64/libkdeinit5_ksmserver.so
#28 0x00007f551ca6a580 in __libc_start_main (main=
    0x55555620ccc0 <main>, argc=1, argv=0x7ffc94445b28, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffc94445b18) at libc-start.c:289
#29 0x000055555620ccf9 in _start ()
(gdb) 

Reproducible: Didn't try