System overloaded

[Reinhold Rumberger]

On Thursday 11 March 2010, lanzen wrote:
> I get annoying
> Kontact freezes - everything else works fine - if kmail is
> fetching mails or doing some filtering in the back ground.

That's a known bug and it won't go away until KMail fully switches to 
Akonadi, IIRC.
https://bugs.kde.org/show_bug.cgi?id=41514
As you can see, the report is quite old...

  --Reinhold