Start to update kde4.1.5 and this comes up:
Application: PolicyKit-kde (policykit-kde), signal SIGSEGV
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[Thread debugging using libthread_db enabled]
[New Thread 0xb4b80b90 (LWP 3668)]
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[KCrash handler]
#6 0xb7e9702d in QSocketNotifier::setEnabled(bool) ()
from /usr/lib/libQtCore.so.4
#7 0x08051388 in _start ()
:\