When I get the default wallpaper strangeness, this appears in the .xsessions-errors file:
startkde: Starting up…
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/baloosearchmodule.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/kscreen.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/proxyscout.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/bluedevil.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/networkmanagement.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/networkstatus.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/khotkeys.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/networkwatcher.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/recentdocumentsnotifier.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/appmenu.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/desktopnotifier.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/freespacenotifier.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/ksysguard.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/ktimezoned.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/remotedirnotify.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/solidautoeject.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/soliduiserver.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/statusnotifierwatcher.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/device_automounter.so”
kf5.kded: No X-KDE-DBus-ServiceName found in “/usr/lib64/qt5/plugins/kf5/kded/keyboard.so”
Initializing “kcm_input” : “kcminit_mouse”
Initializing “kcm_style” : “kcminit_style”
kf5.kded: found kded module “printmanager” by prepending ‘kded_’ to the library path, please fix your metadata.
Initializing “kded_touchpad” : “kcminit_touchpad”
Initializing “kcm_kgamma” : “kcminit_kgamma”
Initializing “kcm_access” : “kcminit_access”
kf5.kcoreaddons.kaboutdata: Could not initialize the equivalent properties of Q*Application: no instance (yet) existing.
Qt: Session management error: networkIdsList argument is NULL
Configuring Lock Action
detected kglobalaccel restarting, re-registering all shortcut keys
QDBusConnection: name ‘org.freedesktop.UDisks2’ had owner ‘’ but we thought it was ‘:1.19’
XSync seems available and ready
XSync Inited
Supported, init completed
Created alarm 29360129
ksmserver: “/run/user/1000/KSMserver”
ksmserver: KSMServer: SetAProc_loc: conn 0 , prot= local , file= @/tmp/.ICE-unix/1621
ksmserver: KSMServer: SetAProc_loc: conn 1 , prot= unix , file= /tmp/.ICE-unix/1621
ksmserver: Starting autostart service “/etc/xdg/autostart/kdeconnectd.desktop”
ksmserver: Starting autostart service “/etc/xdg/autostart/krunner.desktop”
ksmserver: Starting autostart service “/etc/xdg/autostart/plasmashell.desktop”
ksmserver: Starting autostart service “/etc/xdg/autostart/polkit-kde-authentication-agent-1.desktop”
ksmserver: Starting autostart service “/etc/xdg/autostart/xembedsniproxy.desktop”
ksmserver: Autostart 0 done
Session path: "/org/freedesktop/login1/session/31"
ksmserver: Kcminit phase 1 done
ksmserver: Starting autostart service “/etc/xdg/autostart/pulseaudio.desktop”
ksmserver: Autostart 1 done
bluedevil: Created
Installing the delayed initialization callback.
Trying to convert empty KLocalizedString to QString.
Trying to convert empty KLocalizedString to QString.
Trying to convert empty KLocalizedString to QString.
kf5.kded: found kded module “touchpad” by prepending 'kded’ to the library path, please fix your metadata.
ksmserver: Starting notification thread
ksmserver: Kcminit phase 2 done
ksmserver: Starting autostart service “/home/me/.config/autostart/dropbox.desktop”
ksmserver: Starting autostart service “/etc/xdg/autostart/powerdevil.desktop”
ksmserver: Autostart 2 done
Delayed initialization.
Reloading the khotkeys configuration
ksmserver: autostart service “start-pulseaudio-x11” finished with exit code 0
Version 2 File!
true
Imported file “/usr/share/khotkeys/spectacle.khotkeys”
Imported file “/usr/share/khotkeys/defaults.khotkeys”
Imported file “/usr/share/khotkeys/kde32b1.khotkeys”
Imported file “/usr/share/khotkeys/konqueror_gestures_kde321.khotkeys”
bluedevil: ObexManager operational changed false
Service started, version: 7.0.0
Cleaning up…
Registering “org.kde.StatusNotifierItem-1595-1/StatusNotifierItem” to system tray
bluedevil: Bluetooth operational changed true
bluedevil: Agent registered
bluedevil: Requested default Agent
kscreen.kded: Config KScreen::Config(0x113fa00) is ready
kscreen.kded: PowerDevil SuspendSession action not available!
kscreen.kded: “The name org.kde.Solid.PowerManagement was not provided by any .service files”
kscreen.kded: Applying config
kscreen.kded: Applying known config “a9a6fe2f8774bd67b0c5a34d69b0a6e4”
completeShutdownOrCheckpoint called
kwin_core: Compositing is not possible
kscreen.kded: Finding a mode for QSize(0, 0) @ 0
kscreen.kded: Failed to find a matching mode - this means that our config is corruptedor a different device with the same serial number has been connected (very unlikely).Falling back to preferred modes.
kscreen.kded: Finding a mode for QSize(1920, 1080) @ 60
kscreen.kded: Found: “77” QSize(1920, 1080) @ 60
kscreen.kded: doApplyConfig()
kscreen.kded: Config applied
kscreen.kded: Monitor for changes: true
kscreen: Requesting missing EDID for outputs (66, 73)
kscreen.kded: Change detected
kscreen.kded: KScreen:: Output( 66 “LVDS1” connected disabled QPoint(0,0) QSize(1366, 768) “” )
kscreen.kded: KScreen:: Output( 73 “VGA1” connected enabled QPoint(0,0) QSize(1920, 1080) “77” )
kscreen.kded: Saving current config to file
kscreen.kded: Config saved on: “/home/me/.local/share/kscreen/a9a6fe2f8774bd67b0c5a34d69b0a6e4”
kscreen.kded: KScreen:: Output( 66 “LVDS1” connected disabled QPoint(0,0) QSize(1366, 768) “” )
kscreen.kded: KScreen:: Output( 73 “VGA1” connected enabled QPoint(0,0) QSize(1920, 1080) “77” )
kscreen: Requesting missing EDID for outputs (66, 73)
kscreen.kded: Change detected
kscreen.kded: KScreen:: Output( 66 “LVDS1” connected disabled QPoint(0,0) QSize(1366, 768) “” )
kscreen.kded: KScreen:: Output( 73 “VGA1” connected enabled QPoint(0,0) QSize(1920, 1080) “77” )
bluedevil: ObexManager operational changed true
bluedevil: ObexAgent registered
kscreen.kded: Saving current config to file
ksmserver: autostart service “dropbox” finished with exit code 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 1251, resource id: 10485785, major code: 18 (ChangeProperty), minor code: 0
kscreen.kded: Config saved on: “/home/me/.local/share/kscreen/a9a6fe2f8774bd67b0c5a34d69b0a6e4”
kscreen.kded: KScreen:: Output( 66 “LVDS1” connected disabled QPoint(0,0) QSize(1366, 768) “” )
kscreen.kded: KScreen:: Output( 73 “VGA1” connected enabled QPoint(0,0) QSize(1920, 1080) “77” )
Registering “:1.33/StatusNotifierItem” to system tray
initialization OK, home trash dir: “/home/me/.local/share/Trash”
initialization OK, home trash dir: “/home/me/.local/share/Trash”
QXcbConnection: XCB error: 3 (BadWindow), sequence: 1675, resource id: 54525952, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 1679, resource id: 54525953, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 1746, resource id: 56623104, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 1755, resource id: 56623105, major code: 18 (ChangeProperty), minor code: 0
(firefox:1885): Gtk-WARNING **: Theme directory base/ of theme oxygen has no size field
1487539267358 addons.webextension.{E0B8C461-F8FB-49b4-8373-FE32E9252800} WARN Loading extension ‘{E0B8C461-F8FB-49b4-8373-FE32E9252800}’: Reading manifest: Error processing background.persistent: Event pages are not currently supported. This will run as a persistent background page.
1487539267395 addons.webextension.{E0B8C461-F8FB-49b4-8373-FE32E9252800} WARN Loading extension ‘{E0B8C461-F8FB-49b4-8373-FE32E9252800}’: Reading manifest: Error processing author: An unexpected property was found in the WebExtension manifest.
1487539267395 addons.webextension.{E0B8C461-F8FB-49b4-8373-FE32E9252800} WARN Loading extension ‘{E0B8C461-F8FB-49b4-8373-FE32E9252800}’: Reading manifest: Error processing options_page: An unexpected property was found in the WebExtension manifest.
1487539267451 addons.webextension.{E0B8C461-F8FB-49b4-8373-FE32E9252800} WARN Please specify whether you want browser_style or not in your browser_action options.
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
QXcbConnection: XCB error: 3 (BadWindow), sequence: 2779, resource id: 71303169, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 2783, resource id: 71303170, major code: 18 (ChangeProperty), minor code: 0
kbuildsycoca4 running…
QXcbConnection: XCB error: 3 (BadWindow), sequence: 3091, resource id: 46137374, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 3100, resource id: 46137374, major code: 3 (GetWindowAttributes), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 3104, resource id: 46137374, major code: 3 (GetWindowAttributes), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 4568, resource id: 46137386, major code: 3 (GetWindowAttributes), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 4572, resource id: 46137386, major code: 3 (GetWindowAttributes), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 5016, resource id: 46137391, major code: 18 (ChangeProperty), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 5020, resource id: 46137391, major code: 3 (GetWindowAttributes), minor code: 0
QXcbConnection: XCB error: 9 (BadDrawable), sequence: 5021, resource id: 46137391, major code: 14 (GetGeometry), minor code: 0
QXcbConnection: XCB error: 3 (BadWindow), sequence: 5024, resource id: 46137391, major code: 3 (GetWindowAttributes), minor code: 0