Application: ktorrent (4.1.2)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.8.0
Operating System: Linux 3.1.1-2.fc16.i686.PAE i686
Distribution: "Fedora release 16 (Verne)"

-- Information about the crash:
- What I was doing when the application crashed:

$ ktorrent

QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
KGlobal::locale::Warning your global KLocale is being recreated with a valid main component instead of a fake component, this usually means you tried to call i18n related functions before your main component was created. You should not do that since it most likely will not work 
Warning: QWidget::insertAction: Attempt to insert null action
Warning: QWidget::insertAction: Attempt to insert null action
Warning: QWidget::insertAction: Attempt to insert null action
KCrash: Application 'ktorrent' crashing...
KCrash: Attempting to start /usr/libexec/kde4/drkonqi from kdeinit
sock_file=/home/nice/.kde/socket-politemadness/kdeinit4__0
unnamed app(19206): Communication problem with  "ktorrent" , it probably crashed. 
Error message was:  "org.freedesktop.DBus.Error.NoReply" : " "Message did not receive a reply (timeout by message bus)" " 


[5]+  Exit 255                ktorrent

The crash can be reproduced every time.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb77039c0 (LWP 19271))]

Thread 2 (Thread 0xb69e4b40 (LWP 19276)):
#0  0x007fb424 in __kernel_vsyscall ()
#1  0x4f3ccc90 in __GI___poll (fds=0xb6001970, nfds=2, timeout=500) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x43d0b8b7 in net::Poll::poll(int) () from /usr/lib/libktorrent.so.3
#3  0x43d79199 in ?? () from /usr/lib/libktorrent.so.3
#4  0x414b85c1 in QThreadPrivate::start (arg=0x84c6168) at thread/qthread_unix.cpp:298
#5  0x4f4cdcd3 in start_thread (arg=0xb69e4b40) at pthread_create.c:309
#6  0x4f3d751e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 1 (Thread 0xb77039c0 (LWP 19271)):
[KCrash Handler]
#7  elf_machine_rela_relative (reloc_addr_arg=0xbf724315, l_addr=3187601408, reloc=<optimized out>) at ../sysdeps/i386/dl-machine.h:644
#8  elf_dynamic_do_Rela (skip_ifunc=0, nrelative=558093, relsize=6782952, reladdr=<optimized out>, map=0x8bf8190, lazy=<optimized out>) at do-rel.h:121
#9  _dl_relocate_object (scope=0x8bf8348, reloc_mode=1, consider_profiling=0) at dl-reloc.c:265
#10 0x4f2d43ab in dl_open_worker (a=0xbfa539d0) at dl-open.c:338
#11 0x4f2cfd0f in _dl_catch_error (objname=0xbfa539f4, errstring=0xbfa539f8, mallocedp=0xbfa539ff, operate=0x4f2d4100 <dl_open_worker>, args=0xbfa539d0) at dl-error.c:178
#12 0x4f2d3d06 in _dl_open (file=0x8bffb28 "/usr/lib/kde4/ktshutdownplugin.so", mode=-2147483647, caller_dlopen=0x415bd7d3, nsid=-2, argc=1, argv=0xbfa55034, env=0xbfa5503c) at dl-open.c:575
#13 0x4f4c0c09 in dlopen_doit (a=0xbfa53ba0) at dlopen.c:67
#14 0x4f2cfd0f in _dl_catch_error (objname=0x8327eec, errstring=0x8327ef0, mallocedp=0x8327ee8, operate=0x4f4c0b70 <dlopen_doit>, args=0xbfa53ba0) at dl-error.c:178
#15 0x4f4c13ba in _dlerror_run (operate=0x4f4c0b70 <dlopen_doit>, args=0xbfa53ba0) at dlerror.c:164
#16 0x4f4c0cb7 in __dlopen (file=0x8bffb28 "/usr/lib/kde4/ktshutdownplugin.so", mode=1) at dlopen.c:88
#17 0x415bd7d3 in QLibraryPrivate::load_sys (this=0x8bff770) at plugin/qlibrary_unix.cpp:209
#18 0x415b9c44 in load (this=0x8bff770) at plugin/qlibrary.cpp:466
#19 QLibraryPrivate::load (this=0x8bff770) at plugin/qlibrary.cpp:458
#20 0x428a6543 in KPluginLoader::load (this=0xbfa53e30) at /usr/src/debug/kdelibs-4.7.3/kdecore/util/kpluginloader.cpp:226
#21 0x428a6663 in KPluginLoader::factory (this=0xbfa53e30) at /usr/src/debug/kdelibs-4.7.3/kdecore/util/kpluginloader.cpp:189
#22 0x5002044d in kt::PluginManager::load(KPluginInfo const&, int) () from /usr/lib/libktcore.so.12
#23 0x50020cac in kt::PluginManager::loadPlugins() () from /usr/lib/libktcore.so.12
#24 0x50020f83 in kt::PluginManager::loadPluginList() () from /usr/lib/libktcore.so.12
#25 0x0807841a in ?? ()
#26 0x08079e5b in ?? ()
#27 0x42e1aec8 in KUniqueApplicationAdaptor::newInstance (this=0x8406530, asn_id=..., args=...) at /usr/src/debug/kdelibs-4.7.3/kdeui/kernel/kuniqueapplication.cpp:442
#28 0x42e1af78 in qt_static_metacall (_a=0xbfa5421c, _id=0, _o=0x8406530, _c=<optimized out>) at /usr/src/debug/kdelibs-4.7.3/i686-redhat-linux-gnu/kdeui/kuniqueapplication_p.moc:58
#29 KUniqueApplicationAdaptor::qt_static_metacall (_o=0x8406530, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbfa5421c) at /usr/src/debug/kdelibs-4.7.3/i686-redhat-linux-gnu/kdeui/kuniqueapplication_p.moc:52
#30 0x42e1b0ec in KUniqueApplicationAdaptor::qt_metacall (this=0x8406530, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbfa5421c) at /usr/src/debug/kdelibs-4.7.3/i686-redhat-linux-gnu/kdeui/kuniqueapplication_p.moc:102
#31 0x42609b88 in QDBusConnectionPrivate::deliverCall (this=0x82b7e28, object=0x8406530, msg=..., metaTypes=..., slotIdx=38499076) at qdbusintegrator.cpp:947
#32 0x4260ace9 in QDBusConnectionPrivate::activateCall (this=0x82b7e28, object=0x8406530, flags=337, msg=...) at qdbusintegrator.cpp:850
#33 0x4260b5ad in QDBusConnectionPrivate::activateObject (this=0x82b7e28, node=..., msg=..., pathStartPos=-1079688336) at qdbusintegrator.cpp:1443
#34 0x4260b949 in QDBusActivateObjectEvent::placeMetaCall (this=0x84af380) at qdbusintegrator.cpp:1537
#35 0x415e72db in QObject::event (this=0xbfa54c10, e=0x84af380) at kernel/qobject.cpp:1194
#36 0x415ccafb in QCoreApplication::event (this=0xbfa54c10, e=0x84af380) at kernel/qcoreapplication.cpp:1688
#37 0x41c2fbfe in QApplication::event (this=0xbfa54c10, e=0x84af380) at kernel/qapplication.cpp:2528
#38 0x41c2ba34 in notify_helper (e=0x84af380, receiver=0xbfa54c10, this=0x82dbeb0) at kernel/qapplication.cpp:4518
#39 QApplicationPrivate::notify_helper (this=0x82dbeb0, receiver=0xbfa54c10, e=0x84af380) at kernel/qapplication.cpp:4490
#40 0x41c30ed3 in QApplication::notify (this=0x84af380, receiver=0xbfa54c10, e=0x84af380) at kernel/qapplication.cpp:4247
#41 0x08079f98 in ?? ()
#42 0x415cc4be in QCoreApplication::notifyInternal (this=0xbfa54c10, receiver=0xbfa54c10, event=0x84af380) at kernel/qcoreapplication.cpp:876
#43 0x415d0418 in sendEvent (event=<optimized out>, receiver=<optimized out>) at kernel/qcoreapplication.h:231
#44 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8291db8) at kernel/qcoreapplication.cpp:1500
#45 0x415d074d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1393
#46 0x415fed65 in sendPostedEvents () at kernel/qcoreapplication.h:236
#47 postEventSourceDispatch (s=0x82e70e0) at kernel/qeventdispatcher_glib.cpp:279
#48 0x4f8575bf in g_main_dispatch (context=0x82e7188) at gmain.c:2425
#49 g_main_context_dispatch (context=0x82e7188) at gmain.c:2995
#50 0x4f857d00 in g_main_context_iterate (context=0x82e7188, block=1334208416, dispatch=1, self=0x82cc260) at gmain.c:3073
#51 0x4f857faf in g_main_context_iteration (context=0x82e7188, may_block=1) at gmain.c:3136
#52 0x415ff168 in QEventDispatcherGlib::processEvents (this=0x82da330, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#53 0x41ce038b in QGuiEventDispatcherGlib::processEvents (this=0x82da330, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#54 0x415cb3ae in QEventLoop::processEvents (this=0xbfa54b84, flags=...) at kernel/qeventloop.cpp:149
#55 0x415cb659 in QEventLoop::exec (this=0xbfa54b84, flags=...) at kernel/qeventloop.cpp:204
#56 0x415d07fb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#57 0x41c29835 in QApplication::exec () at kernel/qapplication.cpp:3779
#58 0x08067a58 in ?? ()
#59 0x4f2fe6b3 in __libc_start_main (main=0x8065700, argc=1, ubp_av=0xbfa55034, init=0x80e31e0 <__libc_csu_init>, fini=0x80e3250 <__libc_csu_fini>, rtld_fini=0x4f2d02c0 <_dl_fini>, stack_end=0xbfa5502c) at libc-start.c:226
#60 0x08068be5 in _start ()

Reported using DrKonqi