Version-Release number of selected component:
plasma-workspace-5.3.1-2.fc22

Additional info:
reporter:       libreport-2.6.0
backtrace_rating: 4
cmdline:        /usr/bin/ksmserver
crash_function: QMessageLogger::fatal(char const*, ...) const
executable:     /usr/bin/ksmserver
global_pid:     4801
kernel:         3.19.5-100.fc20.x86_64
runlevel:       5 3
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #2 QMessageLogger::fatal(char const*, ...) const at global/qlogging.cpp:1422
 #4 QXcbConnection::QXcbConnection(QXcbNativeInterface*, bool, char const*) at qxcbconnection.cpp:356
 #5 QXcbIntegration::QXcbIntegration(QStringList const&, int&, char**) at qxcbintegration.cpp:174
 #6 QXcbIntegrationPlugin::create(QString const&, QStringList const&, int&, char**) at qxcbmain.cpp:50
 #7 QPlatformIntegrationFactory::create(QString const&, QStringList const&, int&, char**, QString const&) at kernel/qplatformintegrationfactory.cpp:56
 #9 QGuiApplicationPrivate::createPlatformIntegration() at kernel/qguiapplication.cpp:1010
 #11 QGuiApplicationPrivate::createEventDispatcher() at kernel/qguiapplication.cpp:1182
 #12 QCoreApplication::init() at kernel/qcoreapplication.cpp:730
 #13 QCoreApplication::QCoreApplication(QCoreApplicationPrivate&) at kernel/qcoreapplication.cpp:655
 #14 QGuiApplication::QGuiApplication(QGuiApplicationPrivate&) at kernel/qguiapplication.cpp:559