Bug 306286

Summary: KTorrent crashed for unknown reason (possibly because of choosing to shutdown after all downloads had completed)
Product: [Applications] ktorrent Reporter: mcmalayalam
Component: generalAssignee: Joris Guisson <joris.guisson>
Status: RESOLVED WORKSFORME    
Severity: crash    
Priority: NOR    
Version: unspecified   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description mcmalayalam 2012-09-05 08:16:54 UTC 
Application: ktorrent (4.1.1)
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-24-generic x86_64
Distribution: Linux Mint 12 KDE

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

I was downloading 6 torrents. I had selected the option to shutdown the computer after all downloads had completed. KTorrent crashed while I was away from the PC; I can confirm that the downloads had NOT completed prior to the crash.

-- Backtrace:
Application: KTorrent (ktorrent), signal: Aborted
__lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
	in ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
[Current thread is 1 (Thread 0x7f210f55e780 (LWP 4595))]

Thread 10 (Thread 0x7f20fbc26700 (LWP 4597)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f210b47762f in _L_lock_10501 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f210b4759c1 in __GI___libc_free (mem=0x7f20f4000020) at malloc.c:3736
#3  0x00007f210f0fd944 in utp::RemoteWindow::packetReceived(utp::Header const*, utp::SelectiveAck const*, utp::Retransmitter*) () from /usr/lib/libktorrent.so.3
#4  0x00007f210f0fbaf0 in utp::Connection::handlePacket(utp::PacketParser const&, QByteArray const&) () from /usr/lib/libktorrent.so.3
#5  0x00007f210f0f50c2 in utp::UTPServer::handlePacket(QByteArray const&, net::Address const&) () from /usr/lib/libktorrent.so.3
#6  0x00007f210f0f3770 in utp::UTPServer::Private::dataReceived(QByteArray const&, net::Address const&) () from /usr/lib/libktorrent.so.3
#7  0x00007f210f06344c in net::ServerSocket::readyToRead(int) () from /usr/lib/libktorrent.so.3
#8  0x00007f210f047ddb in net::ServerSocket::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libktorrent.so.3
#9  0x00007f210cd98eba in QMetaObject::activate (sender=0x1c11650, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7f20fbc25730) at kernel/qobject.cpp:3278
#10 0x00007f210cde251e in QSocketNotifier::activated (this=<optimized out>, _t1=16) at .moc/release-shared/moc_qsocketnotifier.cpp:89
#11 0x00007f210cda0b6b in QSocketNotifier::event (this=0x1c11650, e=0x7f20fbc25bf0) at kernel/qsocketnotifier.cpp:317
#12 0x00007f210c135474 in notify_helper (e=0x7f20fbc25bf0, receiver=0x1c11650, this=0x1a740d0) at kernel/qapplication.cpp:4486
#13 QApplicationPrivate::notify_helper (this=0x1a740d0, receiver=0x1c11650, e=0x7f20fbc25bf0) at kernel/qapplication.cpp:4458
#14 0x00007f210c13a2e1 in QApplication::notify (this=0x7fff722a8970, receiver=0x1c11650, e=0x7f20fbc25bf0) at kernel/qapplication.cpp:4365
#15 0x0000000000439921 in ?? ()
#16 0x00007f210cd85afc in QCoreApplication::notifyInternal (this=0x7fff722a8970, receiver=0x1c11650, event=0x7f20fbc25bf0) at kernel/qcoreapplication.cpp:787
#17 0x00007f210cdb05b7 in sendEvent (event=0x7f20fbc25bf0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#18 socketNotifierSourceDispatch (source=0x7f20f40021f0) at kernel/qeventdispatcher_glib.cpp:110
#19 0x00007f2106e8da5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f2106e8e258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f2106e8e429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f210cdb0ed6 in QEventDispatcherGlib::processEvents (this=0x7f20f4001520, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#23 0x00007f210cd84cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007f210cd84ef7 in QEventLoop::exec (this=0x7f20fbc25e00, flags=...) at kernel/qeventloop.cpp:201
#25 0x00007f210cc9c27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#26 0x00007f210cc9ed05 in QThreadPrivate::start (arg=0x1bd6370) at thread/qthread_unix.cpp:331
#27 0x00007f21088a2efc in start_thread (arg=0x7f20fbc26700) at pthread_create.c:304
#28 0x00007f210b4da59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#29 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f20fb425700 (LWP 4598)):
#0  0x00007f210b4ce473 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f210f06258a in net::Poll::poll(int) () from /usr/lib/libktorrent.so.3
#2  0x00007f210f0c4c8b in ?? () from /usr/lib/libktorrent.so.3
#3  0x00007f210cc9ed05 in QThreadPrivate::start (arg=0x1c1a290) at thread/qthread_unix.cpp:331
#4  0x00007f21088a2efc in start_thread (arg=0x7f20fb425700) at pthread_create.c:304
#5  0x00007f210b4da59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f20ef321700 (LWP 4599)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f20f3625c2c in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f20f3625d59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f21088a2efc in start_thread (arg=0x7f20ef321700) at pthread_create.c:304
#4  0x00007f210b4da59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f20eea20700 (LWP 4600)):
[KCrash Handler]
#6  0x00007f210b42d3a5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f210b430b0b in __GI_abort () at abort.c:92
#8  0x00007f210b466d63 in __libc_message (do_abort=2, fmt=0x7f210b557e58 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#9  0x00007f210b4716e6 in malloc_printerr (action=3, str=0x7f210b554e9c "invalid fastbin entry (free)", ptr=<optimized out>) at malloc.c:6283
#10 0x00007f210b4759cc in __GI___libc_free (mem=<optimized out>) at malloc.c:3738
#11 0x00007f210cce30ac in QString::free (d=0x7f20f4012440) at tools/qstring.cpp:1186
#12 0x00007f210cda3156 in ~QString (this=0x7f20f4662ca0, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qstring.h:883
#13 QMap<QString, QVariant>::freeData (x=0x7f20f4276540, this=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qmap.h:647
#14 0x00007f210cda5a43 in ~QMap (this=0x7f20f47ea050, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qmap.h:187
#15 v_clear<QMap<QString, QVariant> > (d=0x7f20f47ea050) at ../../include/QtCore/private/../../../src/corelib/kernel/qvariant_p.h:144
#16 clear (d=0x7f20f47ea050) at kernel/qvariant.cpp:208
#17 0x00007f210a27a2f4 in node_destruct (to=0x7f20f49e7888, from=0x7f20f49e7888, this=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:418
#18 free (data=0x7f20f49e7870, this=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:744
#19 ~QList (this=<optimized out>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:719
#20 QList<QVariant>::~QList (this=<optimized out>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qlist.h:716
#21 0x00007f210a28313c in QDBusConnectionPrivate::deliverCall (this=0x7f20f4013a80, object=0x7f20f402e1a0, msg=..., metaTypes=..., slotIdx=12) at qdbusintegrator.cpp:869
#22 0x00007f210a28c38f in QDBusCallDeliveryEvent::placeMetaCall (this=<optimized out>, object=<optimized out>) at qdbusintegrator_p.h:103
#23 0x00007f210cd9ca5e in QObject::event (this=0x7f20f402e1a0, e=<optimized out>) at kernel/qobject.cpp:1217
#24 0x00007f210c135474 in notify_helper (e=0x3b51b90, receiver=0x7f20f402e1a0, this=0x1a740d0) at kernel/qapplication.cpp:4486
#25 QApplicationPrivate::notify_helper (this=0x1a740d0, receiver=0x7f20f402e1a0, e=0x3b51b90) at kernel/qapplication.cpp:4458
#26 0x00007f210c13a2e1 in QApplication::notify (this=0x7fff722a8970, receiver=0x7f20f402e1a0, e=0x3b51b90) at kernel/qapplication.cpp:4365
#27 0x0000000000439921 in ?? ()
#28 0x00007f210cd85afc in QCoreApplication::notifyInternal (this=0x7fff722a8970, receiver=0x7f20f402e1a0, event=0x3b51b90) at kernel/qcoreapplication.cpp:787
#29 0x00007f210cd8951f in sendEvent (event=0x3b51b90, receiver=0x7f20f402e1a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#30 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x258fd10) at kernel/qcoreapplication.cpp:1428
#31 0x00007f210cdb0a73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#32 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#33 0x00007f2106e8da5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f2106e8e258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f2106e8e429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f210cdb0ed6 in QEventDispatcherGlib::processEvents (this=0x25906d0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#37 0x00007f210cd84cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#38 0x00007f210cd84ef7 in QEventLoop::exec (this=0x7f20eea1fe00, flags=...) at kernel/qeventloop.cpp:201
#39 0x00007f210cc9c27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#40 0x00007f210cc9ed05 in QThreadPrivate::start (arg=0x258f7c0) at thread/qthread_unix.cpp:331
#41 0x00007f21088a2efc in start_thread (arg=0x7f20eea20700) at pthread_create.c:304
#42 0x00007f210b4da59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#43 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f20abce7700 (LWP 4602)):
#0  __libc_enable_asynccancel () at ../nptl/sysdeps/unix/sysv/linux/x86_64/cancellation.S:66
#1  0x00007f210b4ce458 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:85
#2  0x00007f2106e8df68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2106e8e429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f210cdb0f3e in QEventDispatcherGlib::processEvents (this=0x25c5780, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f210cd84cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f210cd84ef7 in QEventLoop::exec (this=0x7f20abce6dd0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007f210cc9c27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007f210cd67cbf in QInotifyFileSystemWatcherEngine::run (this=0x275b820) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f210cc9ed05 in QThreadPrivate::start (arg=0x275b820) at thread/qthread_unix.cpp:331
#10 0x00007f21088a2efc in start_thread (arg=0x7f20abce7700) at pthread_create.c:304
#11 0x00007f210b4da59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f20ab3e6700 (LWP 4617)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f210b47762f in _L_lock_10501 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f210b4759c1 in __GI___libc_free (mem=0x7f20f4000020) at malloc.c:3736
#3  0x00007f210ccba4e5 in QHashData::free_helper (this=0x7f20f45ab310, node_delete=0x7f210f100470) at tools/qhash.cpp:272
#4  0x00007f210f100148 in ?? () from /usr/lib/libktorrent.so.3
#5  0x00007f210f0625ca in net::Poll::poll(int) () from /usr/lib/libktorrent.so.3
#6  0x00007f210f05f229 in ?? () from /usr/lib/libktorrent.so.3
#7  0x00007f210f05f336 in ?? () from /usr/lib/libktorrent.so.3
#8  0x00007f210f05f549 in ?? () from /usr/lib/libktorrent.so.3
#9  0x00007f210cc9ed05 in QThreadPrivate::start (arg=0x1a2c4b0) at thread/qthread_unix.cpp:331
#10 0x00007f21088a2efc in start_thread (arg=0x7f20ab3e6700) at pthread_create.c:304
#11 0x00007f210b4da59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f20aabe5700 (LWP 4618)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f210cc9dd13 in QMutexPrivate::wait (this=0x1c18450, timeout=-1) at thread/qmutex_unix.cpp:84
#2  0x00007f210cc9a345 in QMutex::lock (this=0x1c183b8) at thread/qmutex.cpp:167
#3  0x00007f210f0f7247 in utp::UTPServer::preparePolling(net::Poll*, net::Poll::Mode, QSharedPointer<utp::Connection>) () from /usr/lib/libktorrent.so.3
#4  0x00007f210f0fe9bd in utp::UTPSocket::prepare(net::Poll*, net::Poll::Mode) () from /usr/lib/libktorrent.so.3
#5  0x00007f210f05eb04 in ?? () from /usr/lib/libktorrent.so.3
#6  0x00007f210f05ec36 in ?? () from /usr/lib/libktorrent.so.3
#7  0x00007f210f05f549 in ?? () from /usr/lib/libktorrent.so.3
#8  0x00007f210cc9ed05 in QThreadPrivate::start (arg=0x1a32540) at thread/qthread_unix.cpp:331
#9  0x00007f21088a2efc in start_thread (arg=0x7f20aabe5700) at pthread_create.c:304
#10 0x00007f210b4da59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f20a9be3700 (LWP 4619)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f210b47762f in _L_lock_10501 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f210b4759c1 in __GI___libc_free (mem=0x7f20f4000020) at malloc.c:3736
#3  0x00007f210b461365 in _IO_new_fclose (fp=0x7f20f465b060) at iofclose.c:88
#4  0x00007f20fa05c0f0 in ?? () from /lib/libnss_mdns4.so.2
#5  0x00007f20fa05c72f in _nss_mdns4_gethostbyaddr_r () from /lib/libnss_mdns4.so.2
#6  0x00007f210b4f3542 in __gethostbyaddr_r (addr=0x4bb5f64, len=4, type=2, resbuf=0x7f20a9be2b50, buffer=0x7f20a9be2550 "\377\002", buflen=1024, result=0x7f20a9be2b90, h_errnop=0x7f20a9be2bb0) at ../nss/getXXbyYY_r.c:256
#7  0x00007f210b4f9bc3 in __GI_getnameinfo (sa=0x4bb5f60, addrlen=<optimized out>, host=0x7f20a9be2c10 "", hostlen=199, serv=0x7f20a9be2ce0 "", servlen=199, flags=8) at getnameinfo.c:223
#8  0x00007f210f061c0f in ?? () from /usr/lib/libktorrent.so.3
#9  0x00007f210f061ca7 in ?? () from /usr/lib/libktorrent.so.3
#10 0x00007f210f062027 in ?? () from /usr/lib/libktorrent.so.3
#11 0x00007f210cc9ed05 in QThreadPrivate::start (arg=0x276ff20) at thread/qthread_unix.cpp:331
#12 0x00007f21088a2efc in start_thread (arg=0x7f20a9be3700) at pthread_create.c:304
#13 0x00007f210b4da59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f20a93e2700 (LWP 4625)):
#0  0x00007f210b4ce473 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f2106e8df68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2106e8e429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f210cdb0f3e in QEventDispatcherGlib::processEvents (this=0x20e91c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f210cd84cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f210cd84ef7 in QEventLoop::exec (this=0x7f20a93e1dd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f210cc9c27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f210cd67cbf in QInotifyFileSystemWatcherEngine::run (this=0x30c70f0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f210cc9ed05 in QThreadPrivate::start (arg=0x30c70f0) at thread/qthread_unix.cpp:331
#9  0x00007f21088a2efc in start_thread (arg=0x7f20a93e2700) at pthread_create.c:304
#10 0x00007f210b4da59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f210f55e780 (LWP 4595)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007f210b47762f in _L_lock_10501 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f210b4759c1 in __GI___libc_free (mem=0x7f20f4000020) at malloc.c:3736
#3  0x00007f210a27b8be in qDBusRealToggleWatch (d=0x7f20f4013a80, watch=0x7f20f4013e00, fd=28) at qdbusintegrator.cpp:350
#4  0x00007f21058623ef in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
#5  0x00007f210586283e in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
#6  0x00007f210586300c in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
#7  0x00007f2105861b92 in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
#8  0x00007f210584cacc in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
#9  0x00007f2105863cfa in dbus_watch_handle () from /lib/x86_64-linux-gnu/libdbus-1.so.3
#10 0x00007f210a280550 in q_dbus_watch_handle (flags=1, watch=<optimized out>) at qdbus_symbols_p.h:183
#11 QDBusConnectionPrivate::socketRead (this=0x7f20f4013a80, fd=<optimized out>) at qdbusintegrator.cpp:1143
#12 0x00007f210a2bf0a3 in QDBusConnectionPrivate::qt_metacall (this=0x7f20f4013a80, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff722a8200) at .moc/release-shared/moc_qdbusconnection_p.cpp:99
#13 0x00007f210cd98eba in QMetaObject::activate (sender=0x7f20f4016730, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff722a8200) at kernel/qobject.cpp:3278
#14 0x00007f210cde251e in QSocketNotifier::activated (this=<optimized out>, _t1=28) at .moc/release-shared/moc_qsocketnotifier.cpp:89
#15 0x00007f210cda0b6b in QSocketNotifier::event (this=0x7f20f4016730, e=0x7fff722a86c0) at kernel/qsocketnotifier.cpp:317
#16 0x00007f210c135474 in notify_helper (e=0x7fff722a86c0, receiver=0x7f20f4016730, this=0x1a740d0) at kernel/qapplication.cpp:4486
#17 QApplicationPrivate::notify_helper (this=0x1a740d0, receiver=0x7f20f4016730, e=0x7fff722a86c0) at kernel/qapplication.cpp:4458
#18 0x00007f210c13a2e1 in QApplication::notify (this=0x7fff722a8970, receiver=0x7f20f4016730, e=0x7fff722a86c0) at kernel/qapplication.cpp:4365
#19 0x0000000000439921 in ?? ()
#20 0x00007f210cd85afc in QCoreApplication::notifyInternal (this=0x7fff722a8970, receiver=0x7f20f4016730, event=0x7fff722a86c0) at kernel/qcoreapplication.cpp:787
#21 0x00007f210cdb05b7 in sendEvent (event=0x7fff722a86c0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#22 socketNotifierSourceDispatch (source=0x1a71070) at kernel/qeventdispatcher_glib.cpp:110
#23 0x00007f2106e8da5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f2106e8e258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f2106e8e429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f210cdb0ed6 in QEventDispatcherGlib::processEvents (this=0x19f9fa0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#27 0x00007f210c1dd10e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#28 0x00007f210cd84cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#29 0x00007f210cd84ef7 in QEventLoop::exec (this=0x7fff722a8900, flags=...) at kernel/qeventloop.cpp:201
#30 0x00007f210cd89789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#31 0x0000000000428362 in ?? ()
#32 0x00007f210b41830d in __libc_start_main (main=0x425cf0, argc=1, ubp_av=0x7fff722a97e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff722a97d8) at libc-start.c:226
#33 0x0000000000429531 in _start ()

Possible duplicates by query: bug 306240, bug 305122, bug 303828, bug 302750, bug 302581.

Reported using DrKonqi
Comment 1 Joris Guisson 2012-09-10 18:19:16 UTC 
This is most likely fixed in a more recent version, upgrade to 4.3