drkonqi, SIGSEGV:

[New Thread 80a4c8700 (LWP 100646)]
[New Thread 808b021c0 (LWP 100585)]
[Switching to Thread 80a4c8700 (LWP 100646)]
0x00000008061bb20c in __error () from /lib/libthr.so.3
#0  0x00000008061bb20c in __error () from /lib/libthr.so.3
#1  0x00000008061b9305 in pthread_cond_signal () from /lib/libthr.so.3
#2  0x0000000804f3fdd5 in thread_sleep ()
   from /usr/local/lib/qt4/libQtCore.so.4
#3  0x0000000804f3ff76 in QThread::sleep ()
   from /usr/local/lib/qt4/libQtCore.so.4
#4  0x0000000800aa0f8e in K3b::MediaCache::PollThread::run (this=0x80a460580)
    at /usr/home/nox/ports/sysutils/k3b-kde4/work/k3b-1.68.0/libk3b/tools/k3bmediacache.cpp:106
#5  0x0000000804f40968 in QThreadPrivate::start ()
   from /usr/local/lib/qt4/libQtCore.so.4
#6  0x00000008061b14b1 in pthread_getprio () from /lib/libthr.so.3
#7  0x0000000000000000 in ?? ()