NixOS #139 (15 Aug)
By Cillian de Róiste
kded4 using 100% CPU (KDE 4.7)
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/ntrack-libnl3.so: 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: https://bugs.archlinux.org/task/23612 and their solution was to downgrade ntrack to 013. The upstream bug they point to is: https://bugs.launchpad.net/ntrack/+bug/750554 and I also get similar results:
$ objdump -p /nix/store/0m90pj734awzzwz2zflmziqnfdiv5mp9-ntrack-014/lib/ntrack/modules/ntrack-libnl3.so | grep NEEDED
NEEDED libnl.so.3
NEEDED libnl-route.so.3
NEEDED libc.so.6
I tried to downgrade to ntrack 013 locally but then kded4 dies immediately.
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