Hi,

I'm struggling for a while with a problem at KDE Login after the KDM-Start:

First, i got 0 Bytes free on root-Partition, as i tried to install eclipse: No Warning, just blackscreen, had to reboot <Ctrl><Break>R,E,I,S,U,B.
Then i couldn't login into KDE anymore, but i could open a virtual terminal and login with the same username/password as before in KDE.

I cleaned up the system by deleting tmp- and cache-folders, did a resizing of the root-partition, did a

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sudo service kdm restart

, but still can't login to KDE till now.
Then i tried an other user-account, that i didn't use before and the login to KDE worked fine.
But when i had a look at the .xseesion-errors of that account, there are many many errors regarding kded_activitymanager or QDBus
QFileSystemWatcher f.e. "failed to add paths: /home/muex/.config/ibus/bus", and "Can not get ibus-daemon's adress"

Environment:

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muex@muelux-LT6fA:~/.kde/share/apps/RecentDocuments$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 10.04.4 LTS
Release:        10.04
Codename:       lucid
muex@muelux-LT6fA:~/.kde/share/apps/RecentDocuments$ kded --version
Qt: 3.3.8b
KDE: 3.5.10
KDE Daemon: $Id: kded.cpp 711061 2007-09-11 09:42:51Z tpatzig $


Thank's for any advice

How much disk space is free on your system? The output of the command "df -h" will provide this.

As for the output to ~/.xsession-errors, as long as this settles down after login completes, I would not worry too much about it. If the output continues to be made excessively after login has completed and the system has settled down, then that could have been the cause for the breakage under your prior user.

Sorry for my late reply, i was switching to another Laptop and the new Dist-Release Kubuntu 12.04 LTS.

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muelux@muelux-LT70B-T61:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 12.04.1 LTS
Release:        12.04
Codename:       precise
#
muelux@muelux-LT70B-T61:~$ kded4 --version
Qt: 4.8.1
KDE: 4.8.5 (4.8.5)
KDE-Dienst: $Id$


But, i think the problem still exists:

How much disk space is free on your system? The output of the command "df -h" will provide this.

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muelux@muelux-LT70B-T61:~$ df -h
Dateisystem    Größe Benutzt Verf. Verw% Eingehängt auf
/dev/sda5        17G    6,0G   11G   38% /
udev            977M    4,0K  977M    1% /dev
tmpfs           395M    996K  394M    1% /run
none            5,0M       0  5,0M    0% /run/lock
none            987M     80K  987M    1% /run/shm
/dev/sda6        27G     18G  8,0G   69% /home

My '~/.xsession-errors ' file grows -after a clean login- to a size of 86KB with messages like:

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startkde: Starting up...
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
kbuildsycoca4 running...
QDBusObjectPath: invalid path ""
QObject::connect: Cannot connect (null)::deviceFound(Device*) to BlueDevilDaemon::deviceFound(Device*)
QObject::connect: Cannot connect QTimer::timeout() to (null)::stopDiscovery()
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
# ...
plasma-desktop(1792)/libplasma Plasma::isPluginVersionCompatible: unversioned plugin detected, may result in instability
plasma-desktop(1792)/libplasma Plasma::isPluginVersionCompatible: unversioned plugin detected, may result in instability
# ...
kded(1621)/Network Management (NetworkManager backend) ConnectionDbus::fromDbusMap: Setting  "802-1x" not initialized
kwalletd(1627)/kdeui (Wallet) KWalletD::setupDialog: Application ' "KDE-Dienst" ' using kwallet without parent window!
file:///usr/share/kde4/apps/plasma/plasmoids/notifier/contents/ui/devicenotifier.qml:166:5: QML QDeclarativeListView_QML_20: Bei einem vertikalen Anker wurde eine potentielle Endlosschleife der Anker festgestellt.
QGraphicsScene::addItem: item has already been added to this scene
kwin(1783) KWin::Client::readUserTimeMapTimestamp: User timestamp, ASN: 38629
kwin(1783) KWin::Client::readUserTimeMapTimestamp: User timestamp, final: 'ID: 14680082 ;WMCLASS: "kwalletd" : "kwalletd" ;Caption: "KDE-Dienst für digitale Brieftasche" ' : 38629
# ...
plasma-desktop(1792)/libakonadi Akonadi::AgentManagerPrivate::createDBusInterface: AgentManager failed to get a valid AgentManager DBus interface. Error is: 1 "org.freedesktop.DBus.Error.NameHasNoOwner" "Could not get owner of name 'org.freedesktop.Akonadi.Control': no such name"
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
plasma-desktop(1792)/libakonadi Akonadi::SessionPrivate::socketError: Socket error occurred: "QLocalSocket::connectToServer: Invalid name"
plasma-desktop(1792)/libakonadi Akonadi::SessionPrivate::socketError: Socket error occurred: "QLocalSocket::connectToServer: Invalid name"
search paths:  ("/usr/local/sbin", "/usr/local/bin", "/usr/sbin", "/usr/bin", "/sbin", "/bin", "/usr/games", "/usr/sbin", "/usr/local/sbin", "/usr/local/libexec", "/usr/libexec", "/opt/mysql/libexec", "/opt/local/lib/mysql5/bin", "/opt/mysql/sbin")
Found mysql_install_db:  "/usr/bin/mysql_install_db"
# ...
[/usr/bin/nepomukservicestub] "/usr/bin/nepomukservicestub(1855)" Soprano: "SQLExecDirect failed on query 'sparql delete from <nepomuk:/ctx/189ec5b9-71cd-4e96-bd59-71d5f972dadc> { <nepomuk:/res/2e72a55d-e85b-43b9-8078-545f38c3272e> ?p ?o } where { graph <nepomuk:/ctx/189ec5b9-71cd-4e96-bd59-71d5f972dadc> { <nepomuk:/res/2e72a55d-e85b-43b9-8078-545f38c3272e> ?p ?o . } }' (iODBC Error: [OpenLink][Virtuoso iODBC Driver][Virtuoso Server]SR172: Transaction deadlocked)"
# ...
akonadi_imap_resource_3(1944)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:
QGridLayoutEngine::addItem: Cell (0, 1) already taken
plasma-desktop(1792)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
Error, cannot create transaction proxy
QDBusError("org.freedesktop.DBus.Error.NameHasNoOwner", "Could not get owner of name 'org.freedesktop.PackageKit': no such name")

# ....  and so on ....



Is this a really well functioning system ?

regards
mue.de

that could help developper to find more bug when you submit one.

It certainly appears to be a properly functioning KDE startup. Can you reproduce this under a new user?
Also, can you confirm that "plasma-desktop" and "krunner" are both running after startup has completed using a VT console?

collinm wrote:that could help developper to find more bug when you submit one.

I've reportetd many bugs (f.e. https://bugs.launchpad.net/ubuntu/+source/akonadi/+bug/578357/comments/10 ) or tried to find a similar bug, but I've never got an appropriate answer to solve my problems; sorry ;-(
I've installed Reporting Tools, (Dr.Konqi), spent hours and hours on trouble-shooting, but all i got was more and more wasted ressources and at last an unusable system.
Now I'm at the third generation of Kubuntu (Hardy, Lucid, now Precise an my wife's Ubuntu-Precise-System), but the errors still seems to be the same (Akonadi-Crashes, MySQL-missconfigured system, Kmail-Crashes...).
But inspite of that, i love the system and it's potential (love/hate/love

So, let me know what bug i should report and how i have to do it, then i will produce the input.