Comment 18 for bug 30754

Same happens on Mint KDE 2.2 (filelight 0.99beta6-1ubuntu1). Probably not a surprise.
For completeness (maybe useless):
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Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
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[Thread debugging using libthread_db enabled]
[New Thread -1232234832 (LWP 11685)]
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[KCrash handler]
#6 0xffffe410 in __kernel_vsyscall ()
#7 0xb6ce5770 in raise () from /lib/tls/i686/cmov/libc.so.6
#8 0xb6ce6ef3 in abort () from /lib/tls/i686/cmov/libc.so.6
#9 0xb6d1ad0b in __fsetlocking () from /lib/tls/i686/cmov/libc.so.6
#10 0xb6d228bd in mallopt () from /lib/tls/i686/cmov/libc.so.6
#11 0xb6d22a44 in free () from /lib/tls/i686/cmov/libc.so.6
#12 0xb6ea0fc1 in operator delete () from /usr/lib/libstdc++.so.6
#13 0xb65e1339 in KParts::GenericFactory<Filelight::Part>::~GenericFactory ()
   from /usr/lib/kde3/libfilelight.so
#14 0xb77c1d51 in KLibrary::~KLibrary () from /usr/lib/libkdecore.so.4
#15 0xb77c147f in KLibLoader::close_pending () from /usr/lib/libkdecore.so.4
#16 0xb77d6d35 in KLibLoader::~KLibLoader () from /usr/lib/libkdecore.so.4
#17 0xb776231b in KLibLoader::cleanUp () from /usr/lib/libkdecore.so.4
#18 0xb77eba17 in KApplication::~KApplication () from /usr/lib/libkdecore.so.4
#19 0x08054184 in KCompletionBase::setAutoDeleteCompletionObject ()
#20 0xb6cd18cc in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#21 0x08050881 in ?? ()