Re: KDE-PIM applications all crash with start up

On Sunday 22 August 2010, Pascal Bernhard wrote:
> Am Sonntag, 22. August 2010 10:13:24 schrieb Ingo Klöcker:
> > On Sunday 22 August 2010, Hasko Bern wrote:
> > > When I switched from one feed to another in Akregator, the
> > > program crashed, which sadly it has been doing ever more often
> > > in the last weeks. As I could not get it running again, i
> > > rebooted my computer. From then on I am not able to start any
> > > component of the KDE-PIM suite (Kontact, Kmail, Kwallet, nor
> > > Krusader, Basket, Kalarm, Korganizer). They all crash
> > > instantaneously. Some KDE applications work though like Kgpg and
> > > Kate.
> > > 
> > > I searched the bug website if someone had the same problem (I get
> > > the error message: Ausführbare Datei: kmail PID: 3127 Signal: 7
> > > (Bus error) other programs are similiar, all show 'Signal: 7').
> > > But not with exactly this message or the more elaborate crash
> > > reports. Frankly I do not understand very much what is in them.
> > > So I'm thinking about filing a bug report, but since so many
> > > programs are touched, and I guess there is a common cause, I'm
> > > not quite sure where to start, i.e. under which category to post
> > > them. Maybe I've overlooked the category KDE-PIM. Looking at the
> > > bug reports for KDE in general, this does not seem the
> > > appropiate section to me.
> > > 
> > > If someone knows of reports on the same of similiar problems I'd
> > > be glad to hear of them before filing a duplicate.
> > > 
> > > I can launch the programs in question from the command line if
> > > root, but not as a normal user. Then I receive this output:
> > > 
> > > pascal@pascal-debian:~$ kmail
> > > KCrash: Application 'kmail' crashing...
> > > <unknown program name>(32582)/: Communication problem with 
> > > "kmail" , it probably crashed.
> > > Error message was:  "org.freedesktop.DBus.Error.ServiceUnknown" :
> > > " "The name org.kde.kmail was not provided by any .service
> > > files" "
> > > 
> > > sock_file=/home/pascal/.kde/socket-pascal-debian/kdeinit4__0
> > > 
> > > pascal@pascal-debian:~$ akregator
> > > qUncompress: Input data is corrupted
> > > qUncompress: Input data is corrupted
> > > KCrash: Application 'akregator' crashing...
> > > sock_file=/home/pascal/.kde/socket-pascal-debian/kdeinit4__0
> > > <unknown program name>(32615)/: Communication problem with
> > > "akregator" , it probably crashed.
> > > Error message was:  "org.freedesktop.DBus.Error.ServiceUnknown" :
> > > " "The name org.kde.akregator was not provided by any .service
> > > files" "
> > > 
> > > The only reason for this whole mess I can think of is a recent
> > > update of my Debian Testing 2.6.32-5 Kernel. I have KDE 4.4.1 (I
> > > just wanted to check using Kgpg and Kate, but they crashed when
> > > clicking on 'About KDE' in the menu, but the version should be
> > > correct)
> > > 
> > > This update did not include any changes to any KDE programs, I'm
> > > am quite sure of that, as I always check what apt-get wants to
> > > do to my computer (Things like removing the whole GNOME of
> > > KDE-desktop for dependency reasons are not so funny!)
> > > 
> > > The reason why I suspect the update to be the culprit, is that
> > > since that point of time, my root-directory is totally full. So
> > > no changes can be written in /, and I guess this is not optimal,
> > > but maybe I'm totally wrong with this. I set my root-directory
> > > up with 17G of space which should be more than enough, shouldn't
> > > it? I can still resize it as it is a logical volume in a LVM and
> > > just deleting some files that do not appear as especially
> > > important to me, is probably not the best way forward.
> > 
> > If / is totally full then /tmp which is usually on the same
> > partition (or volume) as / is also totally full. This would easily
> > explain the random crashes of basically all KDE applications since
> > they need to be able to create certain temporary files.
> > 
> > 17 G is really a lot of space. My / is 20 G but only about a third
> > is used. The rest is free. Maybe some applications filled up /tmp
> > with huge temporary files. I suggest to delete everything in /tmp.
> > /tmp must not contain any important data so it is safe to delete
> > its content. Moreover, you should setup your system such that /tmp
> > is always cleaned up on reboot. (I thought this was the default
> > behavior on Debian. *shrug*)
> 
> Finally KDE is working again. Most file in this strange directory
> could be deleted though not all. No idea why, as I changed ownership
> on all of them and I was root. Being a Linux newbie, I find that
> hard to understand.

Some special files cannot be deleted when they are in use. That's why 
it's best to do the cleanup automatically on reboot.


> KDE looks fine again, at least so far. I was
> already preparing myself mentally for the pain of doing a complete
> reinstall of my OS. That saved my day!!!
> 
> BTW: when trying to send this message signed, Kmail/Kwallet tells me
> that the passphrase is wrong. As I deleted the files from /tmp, the
> cached passphrase should be gone too. How do I fix this problem?
> Will that be taken care of after a restart of my computer? Thank you
> for your help.

A complete restart should not be necessary, but maybe you need to re-
login.


Regards,
Ingo

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