kde login screen freezes at around 56%

[Luca Ferrari]

Here I attache the .xsession-errors, it seems a dbus problem.
However killing ksmserver reports me back to the login screen (kdm)
but then the problem persists: I'm unable to get the desktop.
Any idea?

Thanks,
Luca

/etc/X11/Xsession.d/20x11-common_process-args: line 57: message:
command not found
startkde: Starting up...
kdeinit5: preparing to launch 'libkdeinit5_klauncher'
kdeinit5: Launched KLauncher, pid = 1234, result = 0
Qt: Session management error: networkIdsList argument is NULL
Connecting to deprecated signal
QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
kdeinit5: opened connection to :0
kdeinit5: preparing to launch 'libkdeinit5_kded5'
kdeinit5: Launched KDED, pid = 1236 result = 0
kdeinit5: preparing to launch 'libkdeinit5_kcminit_startup'
Qt: Session management error: networkIdsList argument is NULL
kf5.kiconthemes: "Theme tree: (Breeze)"
kdeinit5: Launched 'kcminit_startup', pid = 1237 result = 0
kdeinit5: Got EXT_EXEC '/usr/bin/kbuildsycoca5' from launcher.
kdeinit5: preparing to launch '/usr/bin/kbuildsycoca5'
kf5.kinit.klauncher: "/usr/bin/kbuildsycoca5" (pid 1241) up and running.
kbuildsycoca5 running...
kf5.kservice.sycoca: Trying to open ksycoca from "/home/luca/.cache/ksycoca5"
Recreating ksycoca file ("/home/luca/.cache/ksycoca5", version 300)
kf5.kiconthemes: "Theme tree: (Breeze)"
kf5.kservice.sycoca: Trying to open ksycoca from "/home/luca/.cache/ksycoca5"
kdeinit5: Got SETENV 'KDE_MULTIHEAD=false' from launcher.
Initializing  "kded_touchpad" :  "kcminit_touchpad"
Width:  3440  height:  2616
Approx. resX:  38  resY:  52
Touchpad resolution: x:  64  y:  85
Final resolution x: 64  y: 85
Initializing  "kcm_input" :  "kcminit_mouse"
Initializing  "kcm_style" :  "kcminit_style"
kdeinit5: Got SETENV
'GTK_RC_FILES=/etc/gtk/gtkrc:/home/luca/.gtkrc:/home/luca/.config/gtkrc'
from launcher.
kdeinit5: Got SETENV
'GTK2_RC_FILES=/etc/gtk-2.0/gtkrc:/home/luca/.gtkrc-2.0:/home/luca/.config/gtkrc-2.0'
from launcher.
Initializing  "kcm_access" :  "kcminit_access"
kf5.kservice.sycoca: Trying to open ksycoca from "/home/luca/.cache/ksycoca5"
kdeinit5: Got EXEC_NEW '/usr/bin/kaccess' from launcher.
kdeinit5: preparing to launch '/usr/bin/kaccess'
kf5.kinit.klauncher: "/usr/bin/kaccess" (pid 1249) up and running.
Initializing  "kcm_bell" :  "kcminit_bell"
QCoreApplication::arguments: Please instantiate the QApplication object first
QDBusConnection: session D-Bus connection created before
QCoreApplication. Application may misbehave.
QDBusConnection: session D-Bus connection created before
QCoreApplication. Application may misbehave.
kdeinit5: PID 1237 terminated.
kdeinit5: Got KWRAPPER 'ksmserver' from wrapper.
kdeinit5: preparing to launch 'libkdeinit5_ksmserver'
kf5.kiconthemes: "Theme tree: (Breeze)"
kdeinit5: PID 1249 terminated.
Qt: Session management error: networkIdsList argument is NULL
Configuring Lock Action
XSync seems available and ready
XSync Inited
Supported, init completed
Menu "applications-kmenuedit.menu" not found.
Saving
Emitting notifyDatabaseChanged ("services", "servicetypes",
"xdgdata-mime", "apps")
kdeinit5: PID 1241 terminated.
kf5.kservice.sycoca: Trying to open ksycoca from "/home/luca/.cache/ksycoca5"
kf5.kded: kded module "keyboard" still uses .desktop files
("kded/keyboard.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "solidautoeject" still uses .desktop files
("kded/solidautoeject.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "touchpad" still uses .desktop files
("kded/touchpad.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "soliduiserver" still uses .desktop files
("kded/soliduiserver.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "notificationhelper" still uses .desktop files
("kded/notificationhelper.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "ksysguard" still uses .desktop files
("kded/ksysguard.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "kscreen" still uses .desktop files
("kded/kscreen.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "freespacenotifier" still uses .desktop files
("kded/freespacenotifier.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "ktimezoned" still uses .desktop files
("kded/ktimezoned.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "powerdevil" still uses .desktop files
("kded/powerdevil.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "networkwatcher" still uses .desktop files
("kded/networkwatcher.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "remotedirnotify" still uses .desktop files
("kded/remotedirnotify.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "kded_baloosearch_kio" still uses .desktop files
("kded/baloosearchfolderupdater.desktop"). Please port it to JSON
metadata.
kf5.kded: kded module "khotkeys" still uses .desktop files
("kded/khotkeys.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "proxyscout" has already been found using JSON
metadata, please don't install the now unneeded .desktop file
("kded/proxyscout.desktop").
kf5.kded: kded module "printmanager" still uses .desktop files
("kded/printmanager.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "statusnotifierwatcher" still uses .desktop
files ("kded/statusnotifierwatcher.desktop"). Please port it to JSON
metadata.
kf5.kded: kded module "desktopnotifier" still uses .desktop files
("kded/desktopnotifier.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "networkstatus" still uses .desktop files
("kded/networkstatus.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "appmenu" still uses .desktop files
("kded/appmenu.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "ktouchpadenabler" still uses .desktop files
("kded/ktouchpadenabler.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "recentdocumentsnotifier" still uses .desktop
files ("kded/recentdocumentsnotifier.desktop"). Please port it to JSON
metadata.
kf5.kded: kded module "platformstatus" still uses .desktop files
("kded/platformstatus.desktop"). Please port it to JSON metadata.
kf5.kded: kded module "networkmanagement" still uses .desktop files
("kded/networkmanagement.desktop"). Please port it to JSON metadata.
kf5.kded: found kded module "ksysguard" by prepending 'kded_' to the
library path, please fix your metadata.
kf5.kded: Successfully loaded module "ksysguard"
kf5.kded: found kded module "kscreen" by prepending 'kded_' to the
library path, please fix your metadata.
kf5.kded: Successfully loaded module "kscreen"
kf5.kded: found kded module "powerdevil" by prepending 'kded_' to the
library path, please fix your metadata.
kf5.kded: Successfully loaded module "powerdevil"
kf5.kded: Successfully loaded module "kded_baloosearch_kio"
kf5.kded: found kded module "printmanager" by prepending 'kded_' to
the library path, please fix your metadata.
kf5.kded: Successfully loaded module "printmanager"
kf5.kded: found kded module "statusnotifierwatcher" by prepending
'kded_' to the library path, please fix your metadata.
kf5.kded: Successfully loaded module "statusnotifierwatcher"
kf5.kded: found kded module "ktouchpadenabler" by prepending 'kded_'
to the library path, please fix your metadata.
kf5.kded: Successfully loaded module "ktouchpadenabler"
kf5.kded: found kded module "networkmanagement" by prepending 'kded_'
to the library path, please fix your metadata.
kf5.kded: Successfully loaded module "networkmanagement"
kf5.kservice.sycoca: Trying to open ksycoca from "/home/luca/.cache/ksycoca5"
kdeinit5: Got EXEC_NEW
'/usr/lib/x86_64-linux-gnu/libexec/kf5/kconf_update' from launcher.
kdeinit5: preparing to launch
'/usr/lib/x86_64-linux-gnu/libexec/kf5/kconf_update'
kf5.kinit.klauncher:
"/usr/lib/x86_64-linux-gnu/libexec/kf5/kconf_update" (pid 1266) up and
running.
kdeinit5: PID 1266 terminated.
kf5.kiconthemes: "Theme tree: (Breeze)"
powerdevil: Loading UPower backend...
powerdevil: UPower service,  org.freedesktop.UPower , is not
registered on the bus. Trying to find out if it is activated.
powerdevil: UPower was found, activating service...
powerdevil: Success!
powerdevil: Backend loaded, loading core
powerdevil: Core loaded, initializing backend
powerdevil: No outputs have backlight property
powerdevil: Falling back to helper to get brightness
pm.kded: unable to register service to dbus
Created alarm 20971521
ksmserver: "/run/user/1000/KSMserver"
kdeinit5: Got SETENV
'SESSION_MANAGER=local/luca-Aspire-6935:@/tmp/.ICE-unix/1261,unix/luca-Aspire-6935:/tmp/.ICE-unix/1261'
from launcher.
ksmserver: KSMServer: SetAProc_loc: conn  0 , prot= local , file=
@/tmp/.ICE-unix/1261
ksmserver: KSMServer: SetAProc_loc: conn  1 , prot= unix , file=
/tmp/.ICE-unix/1261
ksmserver: KSMServer::restoreSession  "saved at previous logout"
kf5.kinit.klauncher: Service:  0 "/etc/xdg/autostart/baloo_file.desktop"
kdeinit5: Got EXEC_NEW '/usr/bin/baloo_file' from launcher.
kdeinit5: preparing to launch '/usr/bin/baloo_file'
kf5.kinit.klauncher: "/usr/bin/baloo_file" (pid 1300) up and running.
kf5.kinit.klauncher: Service:  0 "/etc/xdg/autostart/kdeconnectd.desktop"
kdeinit5: Got EXEC_NEW '/usr/lib/x86_64-linux-gnu/libexec/kdeconnectd'
from launcher.
kdeinit5: preparing to launch '/usr/lib/x86_64-linux-gnu/libexec/kdeconnectd'
kf5.kinit.klauncher: "/usr/lib/x86_64-linux-gnu/libexec/kdeconnectd"
(pid 1301) up and running.
kf5.kinit.klauncher: Service:  0 "/etc/xdg/autostart/krunner.desktop"
kdeinit5: Got EXEC_NEW '/usr/bin/krunner' from launcher.
kdeinit5: preparing to launch '/usr/bin/krunner'
kf5.kiconthemes: "Theme tree: (Breeze)"
QDBusConnection: name 'org.kde.kglobalaccel' had owner '' but we
thought it was ':1.10'
kf5.kinit.klauncher: "/usr/bin/krunner" (pid 1302) up and running.
detected kglobalaccel restarting, re-registering all shortcut keys
Session path: "/org/freedesktop/login1/session/_31"
powerdevil: current screen brightness value:  9
powerdevil: Backend is ready, KDE Power Management system initialized
kf5.kinit.klauncher: appId= ":1.11" newAppId= ":1.11" pendingAppId=
"org.kde.krunner"
kf5.kinit.klauncher: appId= "org.kde.KScreen.Backend.XRandR" newAppId=
"org.kde.KScreen.Backend.XRandR" pendingAppId= "org.kde.krunner"
kf5.kinit.klauncher: appId= ":1.12" newAppId= ":1.12" pendingAppId=
"org.kde.krunner"
kf5.kinit.klauncher: Service:  0 "/etc/xdg/autostart/plasmashell.desktop"
kdeinit5: Got EXEC_NEW '/usr/bin/plasmashell' from launcher.
kdeinit5: preparing to launch '/usr/bin/plasmashell'
kf5.kinit.klauncher: "/usr/bin/plasmashell" (pid 1313) up and running.
XSync seems available and ready
XSync Inited
Supported, init completed
powerdevil: Session path: "/org/freedesktop/login1/session/_31"
powerdevil: ACTIVE SESSION PATH: "/org/freedesktop/login1/session/_31"
powerdevil: Current session is now active
powerdevil: fd passing available: true
powerdevil: systemd powersave events handling inhibited, descriptor: 29
powerdevil: systemd support initialized
powerdevil: The session is not registered with ck
powerdevil: Got a valid offer for  "DPMSControl"
kf5.kiconthemes: "Theme tree: (Breeze)"
kf5.kinit.klauncher: appId= ":1.13" newAppId= ":1.13" pendingAppId=
"org.kde.plasmashell"
kf5.kinit.klauncher: appId= ":1.14" newAppId= ":1.14" pendingAppId=
"org.kde.plasmashell"
kf5.kinit.klauncher: appId= "org.kde.kdeconnectd" newAppId=
"org.kde.kdeconnectd" pendingAppId= "org.kde.plasmashell"
kdeconnect.core: KdeConnect daemon starting
kf5.kiconthemes: "Theme tree: (Breeze)"
kf5.kservice.sycoca: Trying to open ksycoca from "/home/luca/.cache/ksycoca5"
kf5.kinit.klauncher: Service:  0
"/etc/xdg/autostart/polkit-kde-authentication-agent-1.desktop"
kdeinit5: Got EXEC_NEW
'/usr/lib/x86_64-linux-gnu/libexec/polkit-kde-authentication-agent-1'
from launcher.
kdeinit5: preparing to launch
'/usr/lib/x86_64-linux-gnu/libexec/polkit-kde-authentication-agent-1'
kf5.kinit.klauncher:
"/usr/lib/x86_64-linux-gnu/libexec/polkit-kde-authentication-agent-1"
(pid 1319) up and running.
kf5.kinit.klauncher: appId= "org.kde.kdeconnect" newAppId=
"org.kde.kdeconnect" pendingAppId=
"*.polkit-kde-authentication-agent-1"
kf5.kinit.klauncher: appName= "kdeconnect"
kdeconnect.core: KdeConnect daemon started
kf5.kiconthemes: "Theme tree: (Breeze)"
completeShutdownOrCheckpoint called
kf5.kinit.klauncher: appId= ":1.15" newAppId= ":1.15" pendingAppId=
"*.polkit-kde-authentication-agent-1"
kf5.kinit.klauncher: appName= "15"
kf5.kinit.klauncher: appId= "org.kde.baloo" newAppId= "org.kde.baloo"
pendingAppId= "*.polkit-kde-authentication-agent-1"
kf5.kinit.klauncher: appName= "baloo"
kf5.kinit.klauncher: appId= ":1.16" newAppId= ":1.16" pendingAppId=
"*.polkit-kde-authentication-agent-1"
kf5.kinit.klauncher: appName= "16"
kf5.kinit.klauncher: appId= ":1.17" newAppId= ":1.17" pendingAppId=
"*.polkit-kde-authentication-agent-1"
kf5.kinit.klauncher: appName= "17"
kf5.kinit.klauncher: appId= ":1.18" newAppId= ":1.18" pendingAppId=
"*.polkit-kde-authentication-agent-1"
kf5.kinit.klauncher: appName= "18"
kf5.kinit.klauncher: appId= "org.kde.kwin" newAppId= "org.kde.kwin"
pendingAppId= "*.polkit-kde-authentication-agent-1"
kf5.kinit.klauncher: appName= "kwin"
New PolkitAgentListener  0x72b120
Adding new listener  PolkitQt1::Agent::Listener(0x74e270) for  0x72b120
Listener online
kf5.kiconthemes: "Theme tree: (Breeze)"
completeShutdownOrCheckpoint called
completeShutdownOrCheckpoint called
true
Invalid service name "/org/kde/polkit-kde-authentication-agent-1"
using: "/org/kde/polkitkdeauthenticationagent1"
kf5.kinit.klauncher: Service:  0 ""
ksmserver: Autostart 0 done
kcminit not running? If we are running with mobile profile or in
another platform other than X11 this is normal.
ksmserver: Kcminit phase 1 done
kf5.kinit.klauncher: Service:  1 "/etc/xdg/autostart/kwrited-autostart.desktop"
kdeinit5: Got EXEC_NEW '/usr/bin/kwrited' from launcher.
kdeinit5: preparing to launch '/usr/bin/kwrited'
kwin_core: Extensions: shape: 0x "11"  composite: 0x "4"  render: 0x
"b"  fixes: 0x "50"  randr: 0x "14"  sync: 0x "31"  damage: 0x  "11"

kf5.kinit.klauncher: "/usr/bin/kwrited" (pid 1331) up and running.
kf5.kinit.klauncher: Service:  1 "/etc/xdg/autostart/pulseaudio.desktop"
kdeinit5: Got EXEC_NEW '/usr/bin/start-pulseaudio-x11' from launcher.
kdeinit5: preparing to launch '/usr/bin/start-pulseaudio-x11'
kf5.kiconthemes: "Theme tree: (Breeze)"
kf5.kinit.klauncher: "/usr/bin/start-pulseaudio-x11" (pid 1333) up and running.
kf5.kinit.klauncher: Service:  1
"/etc/xdg/autostart/restore_kmix_volumes.desktop"
kdeinit5: Got EXEC_NEW '/usr/bin/kmixctrl' from launcher.
kdeinit5: preparing to launch '/usr/bin/kmixctrl'
kf5.kinit.klauncher: "/usr/bin/kmixctrl" (pid 1334) up and running.
kf5.kinit.klauncher: Service:  1 ""
ksmserver: Autostart 1 done
kf5.kiconthemes: "Theme tree: (Breeze)"
Constructing a KPluginInfo object from old style JSON. Please use
kcoreaddons_desktop_to_json() for
"/usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kdecoration2/breezedecoration.so"
instead of kservice_desktop_to_json() in your CMake code.
Constructing a KPluginInfo object from old style JSON. Please use
kcoreaddons_desktop_to_json() for
"/usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so"
instead of kservice_desktop_to_json() in your CMake code.
kf5.kservice.sycoca: Trying to open ksycoca from "/home/luca/.cache/ksycoca5"
Trying to load decoration plugin:
"/usr/lib/x86_64-linux-gnu/qt5/plugins/org.kde.kdecoration2/breezedecoration.so"
"/home/luca/.local/share/baloo/file/" true
"/home/luca"
"/home/luca"
Successfully opened connection to inotify: 23
XSync seems available and ready
XSync Inited
Supported, init completed
Battery
No file queue: suspended or on battery
"/home/luca/.xsession-errors"
Created alarm 33554433
Battery
No file queue: suspended or on battery
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
Failure: Timeout
kdeinit5: PID 1333 terminated.
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
Failed to get dbus path for component  "krunner"
QDBusError("org.freedesktop.DBus.Error.NoReply", "Did not receive a
reply. Possible causes include: the remote application did not send a
reply, the message bus security policy blocked the reply, the reply
timeout expired, or the network connection was broken.")
Failed to get dbus path for component  "kwin"
QDBusError("org.freedesktop.DBus.Error.NoReply", "Did not receive a
reply. Possible causes include: the remote application did not send a
reply, the message bus security policy blocked the reply, the reply
timeout expired, or the network connection was broken.")
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
true "/org/freedesktop/UDisks2/block_devices/sda2"
"/home/luca/.xsession-errors"
Battery
No file queue: suspended or on battery
Failed to get dbus path for component  "krunner"
QDBusError("org.freedesktop.DBus.Error.NoReply", "Did not receive a
reply. Possible causes include: the remote application did not send a
reply, the message bus security policy blocked the reply, the reply
timeout expired, or the network connection was broken.")
kdeinit5: Got EXEC_NEW '/usr/lib/x86_64-linux-gnu/libexec/kdeconnectd'
from launcher.
kdeinit5: preparing to launch '/usr/lib/x86_64-linux-gnu/libexec/kdeconnectd'
kf5.kinit.klauncher: "/usr/lib/x86_64-linux-gnu/libexec/kdeconnectd"
(pid 1456) up and running.
Failed to get dbus path for component  "kwin"
QDBusError("org.freedesktop.DBus.Error.NoReply", "Did not receive a
reply. Possible causes include: the remote application did not send a
reply, the message bus security policy blocked the reply, the reply
timeout expired, or the network connection was broken.")
false "/org/freedesktop/UDisks2/block_devices/sda2"
true "/org/freedesktop/UDisks2/block_devices/sda3"