After logging into KDE 4.7 kded4 uses 100% cpu. If I kill it and run kded4 I get the following error:

$ kded4
kded4: symbol lookup error: /nix/store/0m90pj734awzzwz2zflmziqnfdiv5mp9-ntrack-014/lib/ntrack/modules/ undefined symbol: ntrack_list_insert_sorted
kded(29300): Communication problem with  "kded" , it probably crashed. 
Error message was:  "org.freedesktop.DBus.Error.NoReply" : " "Message did not receive a reply (timeout by message bus)" " `

If I restart it with kdeinit4_wrapper kded4 it runs at 100% again:

It seems to be related to: and their solution was to downgrade ntrack to 013. The upstream bug they point to is: and I also get similar results:

$ objdump -p /nix/store/0m90pj734awzzwz2zflmziqnfdiv5mp9-ntrack-014/lib/ntrack/modules/ | grep NEEDED 

I tried to downgrade to ntrack 013 locally but then kded4 dies immediately.

Submitted by Cillian de Róiste on 15 August 2011 at 16:07

On 29 August 2011 at 00:32 Cillian de Róiste closed this issue.

On 29 August 2011 at 00:35 Cillian de Róiste commented:

Closing this issue: kded4 no longer uses 100% CPU on my system and can be started with kdeinit4_wrapper kded4
(nixpkgs r28857)

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