Application that crashed: kompare
Version of the application: 4.0.0
KDE Version: 4.3.3 (KDE 4.3.3)
Qt Version: 4.5.3
Operating System: Linux 2.6.32.3 i686

What I was doing when the application crashed:
if 2 fiels are specified on the command line

 -- Backtrace:
Application: Kompare (kompare), signal: Segmentation fault
[KCrash Handler]
#6  0xb645c196 in KServiceType::serviceOffersOffset (this=0x0) at /var/tmp/portage/kde-base/kdelibs-4.3.3-r1/work/kdelibs-4.3.3/kdecore/services/kservicetype.cpp:229
#7  0xb644291b in filterMimeTypeOffers (this=0x81f8358, mimeType=..., genericServiceType=..., constraint=...)
    at /var/tmp/portage/kde-base/kdelibs-4.3.3-r1/work/kdelibs-4.3.3/kdecore/services/kmimetypetrader.cpp:113
#8  KMimeTypeTrader::query (this=0x81f8358, mimeType=..., genericServiceType=..., constraint=...)
    at /var/tmp/portage/kde-base/kdelibs-4.3.3-r1/work/kdelibs-4.3.3/kdecore/services/kmimetypetrader.cpp:127
#9  0x08055f7d in _start ()

Reported using DrKonqi