I've since upgraded to KDE SC 4.5 beta 2 from the Kubuntu Beta Backports PPA and now I don't get the above error.
-- nepomukservices[2448]: segfaults error 4 in libsoprano.so.4.3.0 https://bugs.launchpad.net/bugs/590088 You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to soprano in ubuntu. -- kubuntu-bugs mailing list kubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs