[kde-linux] kcryptd and file previews

Nathan nathan at paysonlinux.org
Thu Sep 18 19:57:32 UTC 2008

On Thursday 18 September 2008 12:40:35 Nathan wrote:
> I have my /home partition encrypted with dm-crypt. I have not done much
> experimentation using different encryption forms, currently, when I created
> the volume I used: cryptsetup -c aes-cbc-essiv:sha256
> I have several large files >= 50 MB when I mouse over them dolphin becomes
> unresponsive. I opened the system activity and watched what happens when I
> mouse over a file and regardless of the file type, kcryptd moves to the top
> of my cpu usage and dolphin hangs until kcryptd is finished doing what it's
> doing.
> Is this normal, a bug? Anything I can do about this? What kind of
> experiments can I perform to tell if this is a bug with dolphin or kcryptd
> or ???
> nathan

I have also noticed on several smaller (appx 3MB) .tar.gz and .tar.bz2 files 
the same thing happens, except kcryptd does not change cpu utilization. Also I 
should have mentioned when dolphin locks up, it lasts several minutes at 


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