Bug 302996

Application: ktorrent (4.1.3)
KDE Platform Version: 4.8.4 (4.8.4)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-26-generic x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
Mesmo depois de aberto não abrias e dava erro

The crash can be reproduced every time.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f37b79c6780 (LWP 3518))]

Thread 6 (Thread 0x7f37a2451700 (LWP 3520)):
#0  0x00007f37af3f078e in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f37af3f0f5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f37af3f1164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f37b51ce426 in QEventDispatcherGlib::processEvents (this=0x7f379c002800, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f37b519dc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f37b519ded7 in QEventLoop::exec (this=0x7f37a2450e00, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f37b509cfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f37b509ffcb in QThreadPrivate::start (arg=0xa22490) at thread/qthread_unix.cpp:298
#8  0x00007f37b0c42e9a in start_thread (arg=0x7f37a2451700) at pthread_create.c:308
#9  0x00007f37b387b4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f37a1b2b700 (LWP 3521)):
#0  0x00007f37b386fb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f37b74cb1aa in net::Poll::poll (this=0x7f37a1b2acd0, timeout=<optimized out>) at ../../src/net/poll.cpp:99
#2  0x00007f37b752d93b in dht::RPCServer::Private::run (this=0xa4dc90) at ../../src/dht/rpcserver.cpp:95
#3  0x00007f37b509ffcb in QThreadPrivate::start (arg=0xa4dc90) at thread/qthread_unix.cpp:298
#4  0x00007f37b0c42e9a in start_thread (arg=0x7f37a1b2b700) at pthread_create.c:308
#5  0x00007f37b387b4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f379b975700 (LWP 3522)):
#0  0x00007f37af3f0836 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f37af3f0f5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f37af3f1164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f37b51ce426 in QEventDispatcherGlib::processEvents (this=0x7f37900008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f37b519dc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f37b519ded7 in QEventLoop::exec (this=0x7f379b974dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f37b509cfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f37b517d9ff in QInotifyFileSystemWatcherEngine::run (this=0x11fe180) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f37b509ffcb in QThreadPrivate::start (arg=0x11fe180) at thread/qthread_unix.cpp:298
#9  0x00007f37b0c42e9a in start_thread (arg=0x7f379b975700) at pthread_create.c:308
#10 0x00007f37b387b4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f37841a5700 (LWP 3525)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f3799e39dec in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7f379a802de0) at wtf/FastMalloc.cpp:2495
#2  0x00007f3799e39f19 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3  0x00007f37b0c42e9a in start_thread (arg=0x7f37841a5700) at pthread_create.c:308
#4  0x00007f37b387b4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f37814f7700 (LWP 3526)):
#0  0x00007f37b386fb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f37af3f1036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f37af3f1164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f37b51ce426 in QEventDispatcherGlib::processEvents (this=0x7f37780025f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f37b519dc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f37b519ded7 in QEventLoop::exec (this=0x7f37814f6e00, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f37b509cfa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f37b509ffcb in QThreadPrivate::start (arg=0x1c7f730) at thread/qthread_unix.cpp:298
#8  0x00007f37b0c42e9a in start_thread (arg=0x7f37814f7700) at pthread_create.c:308
#9  0x00007f37b387b4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f37b79c6780 (LWP 3518)):
[KCrash Handler]
#6  data (this=0x8) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:135
#7  qGetPtrHelper<QScopedPointer<QObjectData> > (p=...) at ../../include/QtCore/../../src/corelib/global/qglobal.h:2430
#8  d_func (this=0x0) at qdbusabstractinterface.h:159
#9  QDBusAbstractInterface::callWithArgumentList (this=0x0, mode=QDBus::Block, method=..., args=...) at qdbusabstractinterface.cpp:430
#10 0x00007f378fdeb110 in Reset (this=0x0) at ../../dnssd/avahi_entrygroup_interface.h:94
#11 serverStateChanged (this=0x1db0b50, s=<optimized out>) at ../../dnssd/avahi-publicservice.cpp:203
#12 DNSSD::PublicServicePrivate::serverStateChanged (this=0x1db0b50, s=<optimized out>) at ../../dnssd/avahi-publicservice.cpp:193
#13 0x00007f378fdeb353 in DNSSD::PublicService::publishAsync (this=<optimized out>) at ../../dnssd/avahi-publicservice.cpp:230
#14 0x00007f378aeca9ce in kt::TorrentService::start (this=0x1261f30) at ../../../plugins/zeroconf/torrentservice.cpp:83
#15 0x00007f37b7505a9d in start (this=0xa7ccb0) at ../../src/torrent/peersourcemanager.cpp:81
#16 bt::PeerSourceManager::start (this=0xa7ccb0) at ../../src/torrent/peersourcemanager.cpp:73
#17 0x00007f37b750f09d in bt::TorrentControl::continueStart (this=0xa70bd0) at ../../src/torrent/torrentcontrol.cpp:461
#18 0x00007f37b750f9cf in bt::TorrentControl::start (this=0xa70bd0) at ../../src/torrent/torrentcontrol.cpp:432
#19 0x00007f37b7212e01 in kt::QueueManager::startSafely (this=<optimized out>, tc=0xa70bd0) at ../../libktcore/torrent/queuemanager.cpp:731
#20 0x00007f37b7212f49 in startInternal (tc=0xa70bd0, this=0xa7faa0) at ../../libktcore/torrent/queuemanager.cpp:102
#21 kt::QueueManager::startInternal (this=0xa7faa0, tc=0xa70bd0) at ../../libktcore/torrent/queuemanager.cpp:91
#22 0x00007f37b7214ec3 in kt::QueueManager::orderQueue (this=0xa7faa0) at ../../libktcore/torrent/queuemanager.cpp:588
#23 0x00000000004330e0 in kt::Core::qt_metacall (this=0xa4a560, _c=QMetaObject::InvokeMetaMethod, _id=39, _a=0xb873f0) at ./core.moc:194
#24 0x00007f37b51b8446 in QObject::event (this=0xa4a560, e=<optimized out>) at kernel/qobject.cpp:1195
#25 0x00007f37b4521894 in notify_helper (e=0xb86610, receiver=0xa4a560, this=0x92e870) at kernel/qapplication.cpp:4559
#26 QApplicationPrivate::notify_helper (this=0x92e870, receiver=0xa4a560, e=0xb86610) at kernel/qapplication.cpp:4531
#27 0x00007f37b4526713 in QApplication::notify (this=0x7fff3ad756d0, receiver=0xa4a560, e=0xb86610) at kernel/qapplication.cpp:4420
#28 0x0000000000439a21 in kt::App::notify (this=<optimized out>, receiver=<optimized out>, event=<optimized out>) at ../../ktorrent/app.cpp:99
#29 0x00007f37b519ee9c in QCoreApplication::notifyInternal (this=0x7fff3ad756d0, receiver=0xa4a560, event=0xb86610) at kernel/qcoreapplication.cpp:876
#30 0x00007f37b51a2c6a in sendEvent (event=0xb86610, receiver=0xa4a560) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#31 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x899670) at kernel/qcoreapplication.cpp:1500
#32 0x00007f37b51cdf93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#33 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#34 0x00007f37af3f0d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f37af3f10a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f37af3f1164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f37b51ce3bf in QEventDispatcherGlib::processEvents (this=0x89ab30, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#38 0x00007f37b45c9d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#39 0x00007f37b519dc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#40 0x00007f37b519ded7 in QEventLoop::exec (this=0x7fff3ad75660, flags=...) at kernel/qeventloop.cpp:204
#41 0x00007f37b51a2f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#42 0x0000000000428452 in main (argc=5, argv=0x7fff3ad76548) at ../../ktorrent/main.cpp:177

This bug may be a duplicate of or related to bug 291606.

Possible duplicates by query: bug 300594, bug 300109, bug 299894, bug 299727, bug 299520.

Reported using DrKonqi