[kdepim-users] Re: kmail error

Pascal Bernhard pascal.hasko.bernhard at googlemail.com
Fri Oct 8 03:43:55 BST 2010

Am Donnerstag 07 Oktober 2010 14:30:35 schrieb Ulf von Barth:
> Dear KDE users,
> I recently "upgraded" to KDE 4.4.5 just to find that kmail does not
> work properly any more on my new AMD dual core
> (x86_64 AMD Athlon(tm) 64 X2 Dual Core Processor 4200+) computer
> running Gentoo Linux (2.6.34-gentoo-r6-cyprien-FTT).
> When I open kmail I get error messages from Akonadi (see enclosed
> file). If I ignore the message I can use kmail as I did before the
> "upgrade" but if I click away the message, kmail crashes.
> I laso discovered that my machine is now about a factor of ten
> slower than before the upgrade. This is most likely due to new
> software automatically installed by my latest KDE such as
> nepomuk and strigi. Needless to say, I have no use for akonadi,
> nepomuk, or strigi!
> How can I solve this problem?
> Best Regards, vonbarth

Hi Ulf, 

I can only give you a tip for the second issue of deactivating nepomuk/strigi. 
You can turn off these 'services', which should make your computer faster and 
lead to much less CPU ressources being used. So far I have not experienced any 
disadvantages of deactivating strigi desktop search or nepomuk, but Kmail is 
only my secondary mail client and I do not use Kontact very much, so your 
experience might be different.

So how to actually do this:

Go to "System Settings" to configure your KDE apps globally and there click on 
the tab "Advanced"
Under "Desktop Search" you can turn off "Nepomuk semantic services" and/or 
If you go back to "System Settings" - tab "Advanced", right next to "Desktop 
Search" you can have a look at a list of all KDE services started automatically 
when booting or manually while running. You might want to turn off something else 
This trick did wonders for me as about 25-30 % of my CPU power was used up by 
file indexing. Quite frankly I still cannot see much of an advantage there, for 
as a simple user my data is not so large that these services should make much 
difference, but maybe there are some cool tools/options I do not know of which 
require them.
I do not know how to configure the other services one would rather like to be 
turned off, but I think others on this list will be able to help you and it might 
actually be quite easy to do just by looking a little bit around in "System 

I hope this helps at least a little bit,



Pascal Bernhard
Schwalbacher Straße 7
12161 Berlin

+49 30 857 193 41
+49 177 419 26 34

Je me regarde pour me désoler,
je me compare pour me consoler. 

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