Version:           2.2.1 (using KDE KDE 3.5.7)
Installed from:    Ubuntu Packages
OS:                Linux

I Filled this bug in ubuntu
https://bugs.launchpad.net/ubuntu/+source/ktorrent/+bug/130300 with some other backtraces and valgrind output

there is a old bug in version 1.2 that seems to this but actual bug happen when I exit  and crash the program after some hours too. but I believe to be another bug :)
http://bugs.kde.org/show_bug.cgi?id=119387




Binary package hint: ktorrent

I tested with a torrent file seeding and when quit the program and the upnp plugin is load there is a crash. I tested with scanfolder and ipblocking dont ha problem with them.

The apport dont work Sad . the backtrace was generated by kde.

backtrace

Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1234897216 (LWP 6087)]
0xffffe410 in ?? ()
#0 0xffffe410 in ?? ()
#1 0xbfb3d3d8 in ?? ()
#2 0xb67c4ff4 in ?? () from /lib/tls/i686/cmov/libc.so.6
#3 0xbfb3d3c4 in ?? ()
#4 0xb6712ea6 in nanosleep () from /lib/tls/i686/cmov/libc.so.6
#5 0xb6712cb7 in BÊf9ñ„³ () from /lib/tls/i686/cmov/libc.so.6
#6 0xb7564ad9 in KCrash::startDrKonqi (argv=0xbfb3f5dc, argc=17)
at /build/buildd/kdelibs-3.5.7/./kdecore/kcrash.cpp:312
#7 0xb757b4de in KCrash::defaultCrashHandler (sig=11)
at /build/buildd/kdelibs-3.5.7/./kdecore/kcrash.cpp:229
#8 0xffffe420 in ?? ()
#9 0x0000000b in ?? ()
#10 0x08076e93 in KTorrentCore::onExit (this=0xbfb3fb5c)
at /build/buildd/ktorrent-2.2.1/./apps/ktorrent/ktorrentcore.cpp:603
#11 0x08070102 in KTorrent::queryExit (this=0x8115608)
at /build/buildd/ktorrent-2.2.1/./apps/ktorrent/ktorrent.cpp:587
#12 0xb781f110 in KMainWindow::shuttingDown (this=0xb67c4ff4)
at /build/buildd/kdelibs-3.5.7/./kdeui/kmainwindow.cpp:1104
#13 0xb797e3a1 in KMainWindow::qt_invoke (this=0x8115608, _id=72, _o=0x2)
at ./kmainwindow.moc:139
#14 0xb7d73933 in KParts::MainWindow::qt_invoke (this=0x8115608, _id=72,
_o=0xbfb3fb5c) at ./mainwindow.moc:98
#15 0x080c20c3 in DMainWindow::qt_invoke (this=0x8115608, _id=72,
_o=0xbfb3fb5c) at ./dmainwindow.moc:138
#16 0x08071fa0 in KTorrent::qt_invoke (this=0x8115608, _id=72, _o=0xbfb3fb5c)
at ./ktorrent.moc:220
#17 0xb6ef7893 in QObject::activate_signal (this=0xbfb3fd94, clist=0x81a20f8,
o=0xbfb3fb5c) at kernel/qobject.cpp:2356
#18 0xb6ef8338 in QObject::activate_signal (this=0xbfb3fd94, signal=15)
at kernel/qobject.cpp:2325
#19 0xb7569a3c in KApplication::shutDown (this=0xbfb3fd94)
at ./kapplication.moc:234
#20 0xb757d2db in KApplication::qt_emit (this=0xbfb3fd94, _id=15,
_o=0xbfb3fc8c) at ./kapplication.moc:278
#21 0xb757d32b in KUniqueApplication::qt_emit (this=0xbfb3fd94, _id=15,
_o=0xbfb3fc8c) at ./kuniqueapplication.moc:96
#22 0x08075e7f in KTorrentApp::qt_emit (this=0xbfb3fd94, _id=15,
_o=0xbfb3fc8c) at ./ktorrentapp.moc:82
#23 0xb6ef7994 in QObject::activate_signal (this=0xbfb3fd94, clist=0x818a760,
o=0xbfb3fc8c) at kernel/qobject.cpp:2378
#24 0xb6ef8338 in QObject::activate_signal (this=0xbfb3fd94, signal=3)
at kernel/qobject.cpp:2325
#25 0xb727bf4b in QApplication::aboutToQuit (this=0xbfb3fd94)
at .moc/debug-shared-mt/moc_qapplication.cpp:106
#26 0xb6ea92aa in QEventLoop::enterLoop (this=0x8142398)
at kernel/qeventloop.cpp:210
#27 0xb6ea8fde in QEventLoop::exec (this=0x8142398)
at kernel/qeventloop.cpp:145
#28 0xb6e90699 in QApplication::exec (this=0xbfb3fd94)
at kernel/qapplication.cpp:2758
#29 0x0808cb01 in main (argc=4, argv=0x60e5c72)
at /build/buildd/ktorrent-2.2.1/./apps/ktorrent/main.cpp:179
#30 0xb6696040 in àƒø„| () from /lib/tls/i686/cmov/libc.so.6
#31 0x0806a491 in _start ()

myloginz@berg-desktop:~/bugs/korrent$ uname -a
Linux berg-desktop 2.6.22-9-generic #1 SMP Wed Aug 1 17:31:10 GMT 2007 i686 GNU/Linux
myloginz@berg-desktop:~/bugs/korrent$ ktorrent --version
Qt: 3.3.7
KDE: 3.5.7
KTorrent: 2.2.1
myloginz@berg-desktop:~/bugs/korrent$ dpkg -l ktorrent
Desejado=U=Desconhecido/Instalar/Remover/aPagar/H=Manter
| status=Não/Instalado/arquiv.-Config./U=Descomp./Falhou-config/H=semi-inst.
|/ Erro?=(nenhum)/H=Mantido/precisa-Reinst./X=os dois problemas (status,Erro: maiúsculas=ruim)
||/ Nome Versão Descrição
+++-=====================-=====================-==========================================================
ii ktorrent 2.2.1-0ubuntu1 BitTorrent client for KDE
myloginz@berg-desktop:~/bugs/korrent$ dpkg -l ktorrent-dbgsym
Desejado=U=Desconhecido/Instalar/Remover/aPagar/H=Manter
| status=Não/Instalado/arquiv.-Config./U=Descomp./Falhou-config/H=semi-inst.
|/ Erro?=(nenhum)/H=Mantido/precisa-Reinst./X=os dois problemas (status,Erro: maiúsculas=ruim)
||/ Nome Versão Descrição
+++-=====================-=====================-==========================================================
ii ktorrent-dbgsym 2.2.1-0ubuntu1 debug symbols for package ktorrent
myloginz@berg-desktop:~/bugs/korrent$
myloginz@berg-desktop:~/bugs/korrent$ dpkg -l apport*
Desejado=U=Desconhecido/Instalar/Remover/aPagar/H=Manter
| status=Não/Instalado/arquiv.-Config./U=Descomp./Falhou-config/H=semi-inst.
|/ Erro?=(nenhum)/H=Mantido/precisa-Reinst./X=os dois problemas (status,Erro: maiúsculas=ruim)
||/ Nome Versão Descrição
+++-=====================-=====================-==========================================================
ii apport 0.94 automatically generate crash reports for debugging
un apport-cli <nenhuma> (nenhuma descrição disponível)
ii apport-gtk 0.94 GTK frontend for the apport crash report system
ii apport-qt 0.94 Qt4 frontend for the apport crash report system
myloginz@berg-desktop:~/bugs/korrent$