QT Bug

Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
KDE Daemon (kded) already running.
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
kbuildsycoca4 running...
kbuildsycoca4(3411) KConfigGroup::readXdgListEntry: List entry text/html in "/home/xandis/.local/share/applications/mimeapps.list" is not compliant with XDG standard (missing trailing semicolon).
kbuildsycoca4 running...
kbuildsycoca4(3413) KConfigGroup::readXdgListEntry: List entry text/html in "/home/xandis/.local/share/applications/mimeapps.list" is not compliant with XDG standard (missing trailing semicolon).
klauncher: Exiting on signal 15
kdeinit4: Shutting down running client.
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
KDE Daemon (kded) already running.
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
kbuildsycoca4 running...
kbuildsycoca4(3435) KConfigGroup::readXdgListEntry: List entry text/html in "/home/xandis/.local/share/applications/mimeapps.list" is not compliant with XDG standard (missing trailing semicolon).
Compiled for arch: ::Vc::AVXImpl
Features supported:
     "SSE2"     ---  yes
     "SSE3"     ---  yes
     "SSSE3"    ---  yes
     "SSE4.1"   ---  yes
     "SSE4.2"   ---  yes
     "SSE4a"    ---  no
     "AVX "     ---  yes
QCoreApplication::postEvent: Unexpected null receiver
QCoreApplication::postEvent: Unexpected null receiver
krita(3437)/krita (core): Missing name attribute for tag  "date"
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
Object::connect: No such signal org::freedesktop::UPower::DeviceAdded(QDBusObjectPath)
Object::connect: No such signal org::freedesktop::UPower::DeviceRemoved(QDBusObjectPath)
X Error: BadAtom (invalid Atom parameter) 5
  Major opcode: 20 (X_GetProperty)
  Resource id:  0x0
X Error: BadAtom (invalid Atom parameter) 5
  Major opcode: 20 (X_GetProperty)
  Resource id:  0x0
libpng warning: iCCP: too many profiles
libpng warning: iCCP: too many profiles
libpng warning: iCCP: too many profiles
libpng warning: iCCP: too many profiles
WARNING (KoResourceItemChooser::updatePreview): the resource "2B pencil Grain 2 b" has created a non-rgb32 image thumbnail. It may not work properly.
WARNING (KoResourceItemChooser::updatePreview): the resource "2B pencil Grain 2 b" has created a non-rgb32 image thumbnail. It may not work properly.
krita(3437)/kdeui (kdelibs): No such XML file "/home/xandis/.kde4/share/apps/"
QCoreApplication::postEvent: Unexpected null receiver
QCoreApplication::postEvent: Unexpected null receiver
QGLContext::makeCurrent(): Cannot make invalid context current.
QGLContext::makeCurrent(): Cannot make invalid context current.
QGLContext::makeCurrent(): Cannot make invalid context current.
QGLContext::makeCurrent(): Cannot make invalid context current.
QGLContext::makeCurrent(): Cannot make invalid context current.
QGLContext::makeCurrent(): Cannot make invalid context current.
QGLContext::makeCurrent(): Cannot make invalid context current.