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I have a problem with my Linux installation.

It seems that the KDE code that deals with directory windows is extremely slow (on both Dolphin and Konqueror). This happens both when I click on a directory icon and when I want to open/save a file from many KDE applications. The time the window takes to open can be one minute or more. The same happens when I right click on an icon.

Looking at the CPU usage, this is very low (less than 10%).

Am I the only one with this problem, or is it well known and maybe already fixed?

Consider that I cannot update to a more recent version of OpenSuse.

Thank you,

Linux version: OpenSuse 11.4
KDE 4.6.0
System: DELL Precision T3500 - Intel Xeon
Home directory mounted on a remote drive. <-- could this be the reason?

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migrated from Jun 21 '12 at 9:14

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Have you tried to turn off Nepomuk/Strigi? – Dragon Jake Jun 21 '12 at 8:20
@DragonJake: Nepomuk and Strigi seem to be core parts of KDE. Is it possible/worth turning them off? Is it possible to modify some settings to make them less resource-hungry? Even if resources are not a problem after all... – Pietro Jun 21 '12 at 8:50
many users were/are complaining about uselessness and slowness of these KDE components. Appropriate settings could be found in Personal Settings → Desktop Search. Try to turn them off completely first to see if they were the problem. – Dragon Jake Jun 21 '12 at 8:55
I disabled both Nepomuk and Strigi. Nothing changed... – Pietro Jun 21 '12 at 9:07
It was just a guess. Let's try something else, rename your .kde/.kde4 directory and restart the X server. New KDE directory with default settings should be created. Does the problem still occur? – Dragon Jake Jun 21 '12 at 9:12

In my case, I had this problem (though not with such extreme slowness) and it was related to graphics acceleration not working. Are desktop effects disabled in KDE settings? If not, disable them.

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No, it does not depend on desktop effects. I disabled them with no improvement. – Pietro Jun 26 '12 at 21:21

I had the same issue, but intermittently.

Turns out the slow down only happens when there's a disc in my DVD drive.

For some reason, KDE re-reads the optical drive every time you switch to the file manager.

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Not my case, unfortunately. – Pietro Jun 22 '12 at 9:54

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