Application: dolphin (1.4)
KDE Platform Version: 4.4.61 (KDE 4.4.61 (KDE 4.5 >= 20100127)) (Compiled from sources)
Qt Version: 4.6.1
Operating System: Linux 2.6.32-020632-generic x86_64
Distribution: Ubuntu 9.04

-- Information about the crash:
dolphin crash after enabling and disabling preview

 -- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
[KCrash Handler]
#5  QUrl (this=0x7fffb4bbd4f0, other=@0x30) at /home/kde-devel/kdesvn/qt-copy/src/corelib/io/qurl.cpp:4108
#6  0x00007f9c68dc8465 in Soprano::Vocabulary::RDFS::Resource () at /home/kde-devel/kdesvn/kdesupport/soprano/soprano/vocabulary/rdfs.cpp:97
#7  0x00007f9c69083af0 in Nepomuk::ResourceData::resetAll (this=0x37a6fb0) at /home/kde-devel/kdesvn/kdelibs/nepomuk/core/resourcedata.cpp:198
#8  0x00007f9c69083939 in Nepomuk::ResourceData::deleteData (this=0x7fffb4bbd4f0) at /home/kde-devel/kdesvn/kdelibs/nepomuk/core/resourcedata.cpp:204
#9  0x00007f9c6908af49 in Nepomuk::ResourceManagerPrivate::cleanupCache (this=<value optimized out>, num=-1) at /home/kde-devel/kdesvn/kdelibs/nepomuk/core/resourcemanager.cpp:204
#10 0x00007f9c6908b9c5 in ~ResourceManager (this=0x2628030) at /home/kde-devel/kdesvn/kdelibs/nepomuk/core/resourcemanager.cpp:261
#11 0x00007f9c6908bad7 in destroy () at /home/kde-devel/kdesvn/kdelibs/nepomuk/core/resourcemanager.cpp:275
#12 0x00007f9c650116ed in *__GI_exit (status=0) at exit.c:75
#13 0x00007f9c64ff95ad in __libc_start_main (main=0x43a770 <main>, argc=5, ubp_av=0x7fffb4bbd6d8, init=0x475150 <__libc_csu_init>, fini=<value optimized out>, rtld_fini=<value optimized out>, 
    stack_end=0x7fffb4bbd6c8) at libc-start.c:252
#14 0x0000000000425849 in _start () at ../sysdeps/x86_64/elf/start.S:113

Reported using DrKonqi