Bug 202520

please do the following:

* open a konsole window
* run: kquitapp plasma-desktop
* run: plasma-desktop
* clear the konsole buffer at this point (ctrl+alt+x does the trick nicely :)
* add the offending widget
* attach the output at the point of crash; my guess is that we'll see a missing symbol or an assert.

Hi,
thank you very much for guiding me, here's the output: 
#### kill plasma
[marek@beruska ~]$ kquitapp plasma-desktop
Invalid D-BUS interface name 'org.kde.plasma-desktop.PlasmaApp' found while parsing introspection                                                                     
[marek@beruska ~]$ echo $?                                                         
0                                                                                  
#### restart plasma
[marek@beruska ~]$ plasma-desktop                                                  
QDBusObjectPath: invalid path ""                                                   
couldn't create image from  "/home/jan/branding.png"                               
QGraphicsGridLayout::itemAt: invalid index 0                                       
QGraphicsGridLayout::itemAt: invalid index 2                                       
QGraphicsGridLayout::itemAt: invalid index 6                                       
QLayout: Attempting to add QLayout "" to Plasma::Dialog "", which already has a layout                                                                                
Object::connect: No such signal IHTC::zoomOut()                                    
Invalid D-BUS interface name 'org.kde.plasma-desktop.PlasmaApp' found while parsing introspection                                                                     
###### openDesktop widget added at this point #######

[marek@beruska ~]$ QGraphicsGridLayout::itemAt: invalid index 2                    
QGraphicsGridLayout::itemAt: invalid index 2                                       
QGraphicsGridLayout::itemAt: invalid index 1                                       
QGraphicsGridLayout::itemAt: invalid index 2                                       
QGraphicsGridLayout::itemAt: invalid index 1                                       
QGraphicsGridLayout::itemAt: invalid index 2                                       
QGraphicsGridLayout::itemAt: invalid index 2                                       
QGraphicsGridLayout::itemAt: invalid index 1                                       
QGraphicsGridLayout::itemAt: invalid index 2                                       
QGraphicsGridLayout::itemAt: invalid index 1                                       
QGraphicsGridLayout::itemAt: invalid index 2                                       
QGraphicsGridLayout::itemAt: invalid index 2                                       
QGraphicsGridLayout::itemAt: invalid index 2                                       
QGraphicsGridLayout::itemAt: invalid index 2                                       
QGraphicsGridLayout::itemAt: invalid index 2                                       
##### skipped repetitive messages, about a million times this line: 
QGraphicsGridLayout::itemAt: invalid index 2  



###### a side note
Please notice the complaint about invalid path:
QDBusObjectPath: invalid path ""                                                   
couldn't create image from  "/home/jan/branding.png"     


Good night, Marek

> QGraphicsGridLayout::itemAt: invalid index 2  

a-ha. so somewhere there's a loop that isn't terminating and that is dealing with a grid layout. that should help us track it down, thanks. :)

btw, are you adding the widget to the desktop or to a panel?

hello, i would like to confirm -
I have exactly the same problem. When adding OpenDesktop widget to desktop, it crashes and all i can see is cursor and all i can do is ctrl+alt+backspace 

triliner@pleiades:~$ kquitapp plasma-desktop
Invalid D-BUS interface name 'org.kde.plasma-desktop.PlasmaApp' found while parsing introspection
triliner@pleiades:~$ plasma-desktop
QDBusObjectPath: invalid path ""
QLayout: Attempting to add QLayout "" to QWidget "", which already has a layout
Object::connect: No such signal NMWiredNetworkInterface::connectionStateChanged(int,int,int)
"KConfigIni: In file /usr/share/kubuntu-default-settings/kde4-profile/default/share/config/kickoffrc, line 3: " Invalid entry (missing '=')
X Error: BadWindow (invalid Window parameter) 3
  Major opcode: 20 (X_GetProperty)
  Resource id:  0x0
X Error: BadWindow (invalid Window parameter) 3
  Major opcode: 20 (X_GetProperty)
  Resource id:  0x0
X Error: BadWindow (invalid Window parameter) 3
  Major opcode: 18 (X_ChangeProperty)
  Resource id:  0x0
Invalid D-BUS interface name 'org.kde.plasma-desktop.PlasmaApp' found while parsing introspection

i'm adding it to the desktop, tried to add to a panel now and it's the same.

some progress: 
The bug occurs when adding the widget with different style than Oxygen set. 

temporary workaround: 
*SystemSettings > Look&Feel > Appearance > Style : set to Oxygen
*add openDesktop widget
*set kde style back to your liking

update:
that way it worked till i had to relog to KDE, then plasma was dead and after kquitapp plasma-desktop & plasma restart it was always dead (the blocking widget was installed)..i had to remove .kde4/ because i didn'tknow how to remove a widget from commandline

Marek: the output from plasma when it had the bug looks identical to output from a bug in kubuntu packages due to a custom patch they had applied. i wonder if Archlinux had picked up the same bad patch?

hm, that's interesting..i'm using kdemod from chakra-project.org
will try with 'official' KDE and report back. 
So do you think I shall report a bug for Arch packing instead of KDE?
Best wishes, Marek

only if we can confirm that it's a downstream bug; we did that yesterday with kubuntu, and it's just very suspicious that your problem looks identical. looks can be deceiving, but so far it's the best clue we have.

I reinstalled kubuntu, deleting .kde directory, and on new install it works...

Hi, I think I got this problem here today, running on openSuse 11.1 KDE 4.3; 
Searching the net I've found some suggestions to uninstall NetworkManager.
After uninstalling it the plasma-desktop started to work again.

I'm still getting messages, but everything seems to be working:

QDBusObjectPath: invalid path ""
QLayout: Attempting to add QLayout "" to QWidget "", which already has a layout
Invalid D-BUS interface name 'org.kde.plasma-desktop.PlasmaApp' found while parsing introspection

The problem of crashing plasma-desktop was solved, but it loosed my desktop (2 folder view widgets) and panel configuration (icons to launch applications). There is any way to recover it?

I can confirm this. I get the same crash and error message with Comment #2. Setting the theme to Oxygen still gives me a crash. 

Creating a new user allows the creation of the widget just fine.

Running Fedora 11 KDE 4.3 RPMs.

I confirm this bug on Mandriva 2009.1, KDE 4.3 RPMs.

Hello, 
just an update from  kde 4.3.1, unfortunately the bugs still persists.

Same problem as Merek. I'm using also Arch64 + KDEmod. When I start X with xinit or startx or KDM the splash screen starts loading and suddenly when I should get my desktop I only get a black screen with a working cursor (themed), the message saying that Plasma Desktop closed unexpectedly. In the background I hear the welcome sound from KDE and nothing happens, only a black screen and my cursor. I have tried other distributions with KDE 4.3: fedora 11, Linux Mint and Sidux and KDE loads correctly and tried a fresh install from Arch64 and it happened again. So I may add that I had the same problem in both plataforms i686 and x86_64 fron Arch. So it might be a distro related problem?

Cheers.

As stated before, I removed the "kdemod-networkmanagement" group and the error is gone.

I have similar problems as described in this bug.  It first started when trying to fix plasmoid-desktop and then I followed someone's advice to remove some of the plasma files.  See the following for details: http://forum.kde.org/viewtopic.php?f=67&t=81341&start=10 . Would be nice to get a fix for this...

ping from kde 4.3.2 this bug unfortunately still persists, everything else is great! :)

*** This bug has been confirmed by popular vote. ***

*** This bug has been marked as a duplicate of bug 202890 ***