设置窗口才出来还没绘图完全，就卡住，然后崩溃了
$ systemsettings5
(systemsettings5:32183): Gtk-WARNING **: 无法在模块路径中找到主题引擎：“xfce”，
QString::arg: 1 argument (s) missing in 无法解析%2 中的符号“%2”：%3
QString::arg: 1 argument (s) missing in 无法解析%2 中的符号“%2”：%3
QString::arg: 1 argument (s) missing in 无法解析%2 中的符号“%2”：%3
failed to acquire GL context to resolve capabilities, using defaults..
WARNING: viewBackgroundColor is deprecated, use backgroundColor with colorSet: Theme.View instead
KActivities: Database connection: "kactivities_db_resources_140530817901184_readonly"
query_only: QVariant (qlonglong, 1)
journal_mode: QVariant (QString, "wal")
wal_autocheckpoint: QVariant (qlonglong, 100)
synchronous: QVariant (qlonglong, 0)
Nothing to load - the client id is empty
file:///usr/share/kpackage/genericqml/org.kde.systemsettings.sidebar/contents/ui/introPage.qml:90:27: Unable to assign [undefined] to QString
file:///usr/share/kpackage/genericqml/org.kde.systemsettings.sidebar/contents/ui/introPage.qml:90:27: Unable to assign [undefined] to QString
file:///usr/share/kpackage/genericqml/org.kde.systemsettings.sidebar/contents/ui/introPage.qml:90:27: Unable to assign [undefined] to QString
file:///usr/share/kpackage/genericqml/org.kde.systemsettings.sidebar/contents/ui/introPage.qml:90:27: Unable to assign [undefined] to QString
file:///usr/share/kpackage/genericqml/org.kde.systemsettings.sidebar/contents/ui/introPage.qml:90:27: Unable to assign [undefined] to QString
Failed to create OpenGL context for format QSurfaceFormat (version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize -1, greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::SwapBehavior (DoubleBuffer), swapInterval 1, profile QSurfaceFormat::OpenGLContextProfile (NoProfile))
KCrash: Application 'systemsettings5' crashing...
KCrash: Attempting to start /usr/lib64/libexec/drkonqi from kdeinit
sock_file=/run/user/1000/kdeinit5__0
[1]+ 已停止 systemsettings5
QSocketNotifier: Invalid socket 9 and type 'Read', disabling...
QSocketNotifier: Invalid socket 21 and type 'Read', disabling...
QSocketNotifier: Invalid socket 10 and type 'Read', disabling...
(systemsettings5:32183): GLib-GIO-ERROR **: inotify read (): 错误的文件描述符
$ kcmshell5 kwindecoration
(kcmshell5:32296): Gtk-WARNING **: 无法在模块路径中找到主题引擎：“xfce”，
QString::arg: 1 argument (s) missing in 无法解析%2 中的符号“%2”：%3
QGLXContext: Failed to create dummy context
Plugin changed to: "org.kde.breeze"
Calling KPluginInfo::property ("X-KDE-PluginInfo-Name") is deprecated, use KPluginInfo::pluginName () in "/usr/lib64/qt5/plugins/org.kde.kdecoration2/breezedecoration.so" instead.
QString::arg: 1 argument (s) missing in 无法解析%2 中的符号“%2”：%3
Factory: true
file:///usr/share/kwin/kcm_kwindecoration/Previews.qml:37: ReferenceError: savedIndex is not defined
Setting active : false
Setting providesContextHelp : true
Setting active : false
Setting providesContextHelp : true
Setting active : false
Setting providesContextHelp : true
Setting active : false
Setting providesContextHelp : true
file:///usr/share/kwin/kcm_kwindecoration/Buttons.qml:150: ReferenceError: iconLabel is not defined
QString::arg: 1 argument (s) missing in 无法解析%2 中的符号“%2”：%3
QString::arg: 1 argument (s) missing in 无法解析%2 中的符号“%2”：%3
file:///usr/share/kwin/kcm_kwindecoration/Previews.qml:37: ReferenceError: savedIndex is not defined
Plugin changed to: "org.kde.kwin.aurorae"
Calling KPluginInfo::property ("X-KDE-PluginInfo-Name") is deprecated, use KPluginInfo::pluginName () in "/usr/lib64/qt5/plugins/org.kde.kdecoration2/breezedecoration.so" instead.
QString::arg: 1 argument (s) missing in 无法解析%2 中的符号“%2”：%3
Factory: true
Module 'org.kde.kwin.decoration' does not contain a module identifier directive - it cannot be protected from external registrations.
Setting width : -8
Setting height : -33
Setting width : -8
Setting height : -33
Setting width : 352
Setting height : 192
Setting width : 352
Setting height : 192
Setting caption : "Plastik"
Setting width : 342
Setting width : 302
Setting height : 152
Setting height : 142
Setting caption : "Plastik"
Setting active : false
Setting width : 312
Setting width : 302
Setting height : 182
Setting height : 142
file:///usr/share/kwin/kcm_kwindecoration/Buttons.qml:150: ReferenceError: iconLabel is not defined
Failed to create OpenGL context for format QSurfaceFormat (version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize -1, greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::SwapBehavior (DoubleBuffer), swapInterval 1, profile QSurfaceFormat::OpenGLContextProfile (NoProfile))
KCrash: Application 'kcmshell5' crashing...
KCrash: Attempting to start /usr/lib64/libexec/drkonqi from kdeinit
sock_file=/run/user/1000/kdeinit5__0
[1]+ 已停止 kcmshell5 kwindecoration
然而！！！！！！
optirun 就可以打开设置界面了！
optirun kwin_x11 也没问题！！！！（上面那条错误信息仍然有）
在不使用 optirun 的情况下，试了几个不同装饰主题，只有微风是可以显示的！
集显：
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
Subsystem: Lenovo Device 21fc
Kernel driver in use: i915
Kernel modules: i915