Bug 305035

Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.00
Qt Version: 4.8.1
Operating System: Linux 3.2.0-29-generic x86_64
Distribution: Ubuntu 12.04 LTS

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

I was downloading the torren and after that when closed ktorrent kde crashed. it also happens when closing other programs such as ubuntuone

The crash can be reproduced every time.

-- Backtrace:
Application: Powłoka pulpitu Plazmy (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5433724780 (LWP 2206))]

Thread 5 (Thread 0x7f540dd3e700 (LWP 2207)):
#0  0x00007f5433005b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5426b7f036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5426b7f164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f542fc40426 in QEventDispatcherGlib::processEvents (this=0x7f54080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f542fc0fc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f542fc0fed7 in QEventLoop::exec (this=0x7f540dd3ddd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f542fb0efa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f542fbef9ff in QInotifyFileSystemWatcherEngine::run (this=0x2514580) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f542fb11fcb in QThreadPrivate::start (arg=0x2514580) at thread/qthread_unix.cpp:298
#9  0x00007f542727be9a in start_thread (arg=0x7f540dd3e700) at pthread_create.c:308
#10 0x00007f54330114bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f5407fff700 (LWP 2208)):
#0  0x00007f542fc40897 in timerSourceCheck (source=0x7f5400002600) at kernel/qeventdispatcher_glib.cpp:175
#1  0x00007f5426b7eb43 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5426b7efd6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5426b7f164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f542fc40426 in QEventDispatcherGlib::processEvents (this=0x7f54000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f542fc0fc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f542fc0fed7 in QEventLoop::exec (this=0x7f5407ffedd0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f542fb0efa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x00007f542fbef9ff in QInotifyFileSystemWatcherEngine::run (this=0x2640570) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f542fb11fcb in QThreadPrivate::start (arg=0x2640570) at thread/qthread_unix.cpp:298
#10 0x00007f542727be9a in start_thread (arg=0x7f5407fff700) at pthread_create.c:308
#11 0x00007f54330114bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f5404e1c700 (LWP 2214)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f542c9f4222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f542c9f4259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f542727be9a in start_thread (arg=0x7f5404e1c700) at pthread_create.c:308
#4  0x00007f54330114bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f53fdfca700 (LWP 2216)):
#0  0x00007f542727f09b in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:66
#1  __pthread_mutex_unlock (mutex=0x7f53f400c5f0) at pthread_mutex_unlock.c:290
#2  0x00007f5426bba5d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5426b7ec49 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f5426b7f0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f5426b7f49a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f53feab4406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007f5426ba09e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f542727be9a in start_thread (arg=0x7f53fdfca700) at pthread_create.c:308
#9  0x00007f54330114bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5433724780 (LWP 2206)):
[KCrash Handler]
#6  ref (this=0x67f5752b10ba78) at /usr/include/qt4/QtCore/qatomic_x86_64.h:121
#7  QList (this=0x7fff90230bf0, l=...) at /usr/include/qt4/QtCore/qlist.h:122
#8  QForeachContainer (t=..., this=0x7fff90230bf0) at /usr/include/qt4/QtCore/qglobal.h:2340
#9  KDirLister::Private::cachedItemsJobForUrl (this=0x58c8c00, url=...) at ../../kio/kio/kdirlister.cpp:277
#10 0x00007f543267597f in KDirListerCache::updateDirectory (this=0x2028740, _dir=...) at ../../kio/kio/kdirlister.cpp:680
#11 0x00007f543267a73d in KDirListerCache::slotFilesAdded (this=0x2028740, dir=...) at ../../kio/kio/kdirlister.cpp:849
#12 0x00007f542fc25281 in QMetaObject::activate (sender=0x1fb2a10, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff902311e0) at kernel/qobject.cpp:3547
#13 0x00007f54326877f5 in OrgKdeKDirNotifyInterface::FilesAdded (this=<optimized out>, _t1=...) at ./kdirnotify.moc:131
#14 0x00007f54326879bb in OrgKdeKDirNotifyInterface::qt_metacall (this=0x1fb2a10, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff902313a0) at ./kdirnotify.moc:107
#15 0x00007f542ff8b37b in QDBusConnectionPrivate::deliverCall (this=0x1a33030, object=0x1fb2a10, msg=..., metaTypes=..., slotIdx=7) at qdbusintegrator.cpp:947
#16 0x00007f542fc2a446 in QObject::event (this=0x1fb2a10, e=<optimized out>) at kernel/qobject.cpp:1195
#17 0x00007f542ef93894 in notify_helper (e=0x537f1d0, receiver=0x1fb2a10, this=0x1a3ead0) at kernel/qapplication.cpp:4559
#18 QApplicationPrivate::notify_helper (this=0x1a3ead0, receiver=0x1fb2a10, e=0x537f1d0) at kernel/qapplication.cpp:4531
#19 0x00007f542ef98713 in QApplication::notify (this=0x1a31f00, receiver=0x1fb2a10, e=0x537f1d0) at kernel/qapplication.cpp:4420
#20 0x00007f54308f3456 in KApplication::notify (this=0x1a31f00, receiver=0x1fb2a10, event=0x537f1d0) at ../../kdeui/kernel/kapplication.cpp:311
#21 0x00007f542fc10e9c in QCoreApplication::notifyInternal (this=0x1a31f00, receiver=0x1fb2a10, event=0x537f1d0) at kernel/qcoreapplication.cpp:876
#22 0x00007f542fc14c6a in sendEvent (event=0x537f1d0, receiver=0x1fb2a10) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#23 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x19c01f0) at kernel/qcoreapplication.cpp:1500
#24 0x00007f542fc3ff93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#25 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#26 0x00007f5426b7ed53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f5426b7f0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f5426b7f164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f542fc403bf in QEventDispatcherGlib::processEvents (this=0x19c1ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#30 0x00007f542f03bd5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x00007f542fc0fc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#32 0x00007f542fc0fed7 in QEventLoop::exec (this=0x7fff90231d30, flags=...) at kernel/qeventloop.cpp:204
#33 0x00007f542fc14f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#34 0x00007f5433317ba3 in kdemain (argc=1, argv=0x7fff90232118) at ../../../../plasma/desktop/shell/main.cpp:120
#35 0x00007f5432f4076d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff90232118, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff90232108) at libc-start.c:226
#36 0x0000000000400671 in _start ()

Possible duplicates by query: bug 291576, bug 287939.

Reported using DrKonqi