Bug 282300

Application: ktorrent (4.0.5)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-11-generic i686
Distribution: Ubuntu 11.04

-- Information about the crash:
- Custom settings of the application:

Ktoorent Crashed and stalling.
Ktorrent settings crashed linksys wrt54g

The crash can be reproduced some of the time.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7807930 (LWP 6391))]

Thread 7 (Thread 0xb5011b70 (LWP 6393)):
#0  0x0068a416 in __kernel_vsyscall ()
#1  0x00eda48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x05def3fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x06067daa in QMutexPrivate::wait (this=0x88299f8, timeout=-1) at thread/qmutex_unix.cpp:84
#4  0x060644b2 in QMutex::lock (this=0x88297d8) at thread/qmutex.cpp:204
#5  0x06175034 in QMutexLocker (this=0x948f150, __in_chrg=<value optimized out>) at ../../include/QtCore/../../src/corelib/thread/qmutex.h:102
#6  QObject::~QObject (this=0x948f150, __in_chrg=<value optimized out>) at kernel/qobject.cpp:870
#7  0x0032915c in utp::Connection::~Connection (this=0x948f150, __in_chrg=<value optimized out>) at ../../src/utp/connection.cpp:86
#8  0x00329262 in utp::Connection::~Connection (this=0x948f150, __in_chrg=<value optimized out>) at ../../src/utp/connection.cpp:91
#9  0x00325315 in utp::UTPServer::clearDeadConnections (this=0x8834720) at ../../src/utp/utpserver.cpp:411
#10 0x0032538d in utp::UTPServer::cleanup (this=0x8834720) at ../../src/utp/utpserver.cpp:614
#11 0x002795e3 in utp::UTPServer::qt_metacall (this=0x8834720, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xb5010b3c) at moc_utpserver.cpp:150
#12 0x061636ba in QMetaObject::metacall (object=0x8834720, cl=QMetaObject::InvokeMetaMethod, idx=9, argv=0xb5010b3c) at kernel/qmetaobject.cpp:237
#13 0x061734ff in QMetaObject::activate (sender=0xb50112e8, m=0x62985a4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3287
#14 0x061c02f7 in QTimer::timeout (this=0xb50112e8) at .moc/release-shared/moc_qtimer.cpp:134
#15 0x061793ee in QTimer::timerEvent (this=0xb50112e8, e=0xb501103c) at kernel/qtimer.cpp:271
#16 0x06172214 in QObject::event (this=0xb50112e8, e=0xb501103c) at kernel/qobject.cpp:1190
#17 0x0379cd24 in QApplicationPrivate::notify_helper (this=0x882cb30, receiver=0xb50112e8, e=0xb501103c) at kernel/qapplication.cpp:4462
#18 0x037a18ce in QApplication::notify (this=0xbfee5e50, receiver=0xb50112e8, e=0xb501103c) at kernel/qapplication.cpp:3862
#19 0x08077a57 in kt::App::notify (this=0xbfee5e50, receiver=0xb50112e8, event=0xb501103c) at ../../ktorrent/app.cpp:97
#20 0x0615d0bb in QCoreApplication::notifyInternal (this=0xbfee5e50, receiver=0xb50112e8, event=0xb501103c) at kernel/qcoreapplication.cpp:731
#21 0x0618d1e4 in sendEvent (this=0x891f5bc) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 QTimerInfoList::activateTimers (this=0x891f5bc) at kernel/qeventdispatcher_unix.cpp:604
#23 0x06189e27 in timerSourceDispatch (source=0x891f5f0) at kernel/qeventdispatcher_glib.cpp:184
#24 idleTimerSourceDispatch (source=0x891f5f0) at kernel/qeventdispatcher_glib.cpp:231
#25 0x07761aa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#26 0x07762270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#27 0x07762524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#28 0x0618a53c in QEventDispatcherGlib::processEvents (this=0x88ca308, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#29 0x0615c289 in QEventLoop::processEvents (this=0xb5011290, flags=...) at kernel/qeventloop.cpp:149
#30 0x0615c522 in QEventLoop::exec (this=0xb5011290, flags=...) at kernel/qeventloop.cpp:201
#31 0x060662a0 in QThread::exec (this=0x88cfcf0) at thread/qthread.cpp:492
#32 0x00328e8e in utp::UTPServerThread::run (this=0x88cfcf0) at ../../src/utp/utpserverthread.cpp:44
#33 0x06068da2 in QThreadPrivate::start (arg=0x88cfcf0) at thread/qthread_unix.cpp:320
#34 0x00ed5e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#35 0x05de173e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 6 (Thread 0xb4810b70 (LWP 6394)):
#0  0x0068a416 in __kernel_vsyscall ()
#1  0x05dda681 in select () from /lib/i386-linux-gnu/libc.so.6
#2  0x002f5291 in dht::RPCServerThread::run (this=0x8920050) at ../../src/dht/rpcserver.cpp:107
#3  0x06068da2 in QThreadPrivate::start (arg=0x8920050) at thread/qthread_unix.cpp:320
#4  0x00ed5e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#5  0x05de173e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0xaf0fbb70 (LWP 6427)):
#0  0x0068a416 in __kernel_vsyscall ()
#1  0x05d9b286 in gettimeofday () from /lib/i386-linux-gnu/libc.so.6
#2  0x0027e3c6 in bt::Now () at ../../src/util/functions.cpp:171
#3  0x00293f6a in net::DownloadThread::update (this=0x87da678) at ../../src/net/downloadthread.cpp:53
#4  0x002941e8 in net::NetworkThread::run (this=0x87da678) at ../../src/net/networkthread.cpp:48
#5  0x06068da2 in QThreadPrivate::start (arg=0x87da678) at thread/qthread_unix.cpp:320
#6  0x00ed5e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#7  0x05de173e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xad5feb70 (LWP 6428)):
#0  0x0068a416 in __kernel_vsyscall ()
#1  0x00eda834 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x05def454 in pthread_cond_timedwait () from /lib/i386-linux-gnu/libc.so.6
#3  0x06068afe in thread_sleep (ti=<value optimized out>) at thread/qthread_unix.cpp:470
#4  0x06068c53 in QThread::msleep (msecs=42) at thread/qthread_unix.cpp:496
#5  0x00293902 in net::UploadThread::update (this=0x87da9d8) at ../../src/net/uploadthread.cpp:89
#6  0x002941e8 in net::NetworkThread::run (this=0x87da9d8) at ../../src/net/networkthread.cpp:48
#7  0x06068da2 in QThreadPrivate::start (arg=0x87da9d8) at thread/qthread_unix.cpp:320
#8  0x00ed5e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#9  0x05de173e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xacdfdb70 (LWP 6429)):
#0  0x0068a416 in __kernel_vsyscall ()
#1  0x00eda48c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x05def3fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x06069467 in wait (this=0x91dd104, mutex=0x91dd100, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x91dd104, mutex=0x91dd100, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x002973af in net::ReverseResolverThread::run (this=0x91dd0f8) at ../../src/net/reverseresolver.cpp:123
#6  0x06068da2 in QThreadPrivate::start (arg=0x91dd0f8) at thread/qthread_unix.cpp:320
#7  0x00ed5e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x05de173e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xab7bbb70 (LWP 6430)):
#0  0x00ed836b in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x05def616 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0x07760e3f in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x07761e63 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x07762524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x0618a577 in QEventDispatcherGlib::processEvents (this=0x945f930, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x0615c289 in QEventLoop::processEvents (this=0xab7bb290, flags=...) at kernel/qeventloop.cpp:149
#7  0x0615c522 in QEventLoop::exec (this=0xab7bb290, flags=...) at kernel/qeventloop.cpp:201
#8  0x060662a0 in QThread::exec (this=0xa00b0d0) at thread/qthread.cpp:492
#9  0x0613dfdb in QInotifyFileSystemWatcherEngine::run (this=0xa00b0d0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x06068da2 in QThreadPrivate::start (arg=0xa00b0d0) at thread/qthread_unix.cpp:320
#11 0x00ed5e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x05de173e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb7807930 (LWP 6391)):
[KCrash Handler]
#7  0x0617275e in disconnectHelper (sender=0xa6c61e8, signal_index=<value optimized out>, receiver=0x9450c78, method_index=-1, disconnectType=QMetaObjectPrivate::DisconnectAll) at kernel/qobject.cpp:2993
#8  QMetaObjectPrivate::disconnect (sender=0xa6c61e8, signal_index=<value optimized out>, receiver=0x9450c78, method_index=-1, disconnectType=QMetaObjectPrivate::DisconnectAll) at kernel/qobject.cpp:3042
#9  0x06172ee3 in QObject::disconnect (sender=0xa6c61e8, signal=0x0, receiver=0x9450c78, method=0x0) at kernel/qobject.cpp:2754
#10 0x007e9548 in disconnect (this=0x937a228, job=0x9450c78, slave=0xa6c61e8) at /usr/include/qt4/QtCore/qobject.h:229
#11 KIO::SchedulerPrivate::jobFinished (this=0x937a228, job=0x9450c78, slave=0xa6c61e8) at ../../kio/kio/scheduler.cpp:1018
#12 0x007ea0aa in KIO::Scheduler::jobFinished (job=0x9450c78, slave=0xa6c61e8) at ../../kio/kio/scheduler.cpp:796
#13 0x0074d3ff in KIO::SimpleJobPrivate::slaveDone (this=0x947b2d8) at ../../kio/kio/job.cpp:494
#14 0x0074d48b in KIO::SimpleJob::slotFinished (this=0x9450c78) at ../../kio/kio/job.cpp:502
#15 0x007534a6 in KIO::TransferJob::slotFinished (this=0x9450c78) at ../../kio/kio/job.cpp:1118
#16 0x0074d783 in KIO::SimpleJob::slotError (this=0x9450c78, err=123, errorText=...) at ../../kio/kio/job.cpp:537
#17 0x0074eece in KIO::SimpleJob::qt_metacall (this=0x9450c78, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbfee5284) at ./jobclasses.moc:170
#18 0x00756cea in KIO::TransferJob::qt_metacall (this=0x9450c78, _c=QMetaObject::InvokeMetaMethod, _id=31, _a=0xbfee5284) at ./jobclasses.moc:355
#19 0x061636ba in QMetaObject::metacall (object=0x9450c78, cl=QMetaObject::InvokeMetaMethod, idx=31, argv=0xbfee5284) at kernel/qmetaobject.cpp:237
#20 0x061734ff in QMetaObject::activate (sender=0xa6c61e8, m=0x8d26c4, local_signal_index=2, argv=0xbfee5284) at kernel/qobject.cpp:3287
#21 0x007fd529 in KIO::SlaveInterface::error (this=0xa6c61e8, _t1=123, _t2=...) at ./slaveinterface.moc:159
#22 0x00800463 in KIO::SlaveInterface::dispatch (this=0xa6c61e8, _cmd=102, rawdata=...) at ../../kio/kio/slaveinterface.cpp:206
#23 0x007fce53 in KIO::SlaveInterface::dispatch (this=0xa6c61e8) at ../../kio/kio/slaveinterface.cpp:89
#24 0x007ef5c8 in KIO::Slave::gotInput (this=0xa6c61e8) at ../../kio/kio/slave.cpp:348
#25 0x007efcf3 in KIO::Slave::qt_metacall (this=0xa6c61e8, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbfee556c) at ./slave.moc:82
#26 0x061636ba in QMetaObject::metacall (object=0xa6c61e8, cl=QMetaObject::InvokeMetaMethod, idx=30, argv=0xbfee556c) at kernel/qmetaobject.cpp:237
#27 0x061734ff in QMetaObject::activate (sender=0xa41b720, m=0x8cf440, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3287
#28 0x0071a237 in KIO::Connection::readyRead (this=0xa41b720) at ./connection.moc:92
#29 0x0071aa56 in KIO::ConnectionPrivate::dequeue (this=0x94664c0) at ../../kio/kio/connection.cpp:82
#30 0x0071ab06 in KIO::Connection::qt_metacall (this=0xa41b720, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xa6c1f60) at ./connection.moc:79
#31 0x061636ba in QMetaObject::metacall (object=0xa41b720, cl=QMetaObject::InvokeMetaMethod, idx=5, argv=0xa6c1f60) at kernel/qmetaobject.cpp:237
#32 0x0616de16 in QMetaCallEvent::placeMetaCall (this=0xa1465b0, object=0xa41b720) at kernel/qobject.cpp:535
#33 0x061723b7 in QObject::event (this=0xa41b720, e=0xa1465b0) at kernel/qobject.cpp:1226
#34 0x0379cd24 in QApplicationPrivate::notify_helper (this=0x882cb30, receiver=0xa41b720, e=0xa1465b0) at kernel/qapplication.cpp:4462
#35 0x037a18ce in QApplication::notify (this=0xbfee5e50, receiver=0xa41b720, e=0xa1465b0) at kernel/qapplication.cpp:3862
#36 0x08077a57 in kt::App::notify (this=0xbfee5e50, receiver=0xa41b720, event=0xa1465b0) at ../../ktorrent/app.cpp:97
#37 0x0615d0bb in QCoreApplication::notifyInternal (this=0xbfee5e50, receiver=0xa41b720, event=0xa1465b0) at kernel/qcoreapplication.cpp:731
#38 0x06160c79 in sendEvent (receiver=0x0, event_type=0, data=0x87d4f50) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#39 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x87d4f50) at kernel/qcoreapplication.cpp:1372
#40 0x06160e0d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1265
#41 0x0618a3c4 in sendPostedEvents (s=0x8837410) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#42 postEventSourceDispatch (s=0x8837410) at kernel/qeventdispatcher_glib.cpp:277
#43 0x07761aa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#44 0x07762270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#45 0x07762524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#46 0x0618a53c in QEventDispatcherGlib::processEvents (this=0x87d4aa8, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#47 0x038531e5 in QGuiEventDispatcherGlib::processEvents (this=0x87d4aa8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#48 0x0615c289 in QEventLoop::processEvents (this=0xbfee5dc4, flags=...) at kernel/qeventloop.cpp:149
#49 0x0615c522 in QEventLoop::exec (this=0xbfee5dc4, flags=...) at kernel/qeventloop.cpp:201
#50 0x06160ecc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#51 0x0379a8e7 in QApplication::exec () at kernel/qapplication.cpp:3736
#52 0x08067221 in main (argc=) at ../../ktorrent/main.cpp:176

Possible duplicates by query: bug 263361.

Reported using DrKonqi