Application: rekonq (0.9.1)
KDE Platform Version: 4.8.3 (4.8.3)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-25-generic x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed: I was using rekong when I closed it. Then the crash come up. This happens every time I close rekonq

The crash can be reproduced every time.

-- Backtrace:
Application: rekonq (rekonq), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9516b1b780 (LWP 2344))]

Thread 8 (Thread 0x7f9501319700 (LWP 2345)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f951539fdec in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7f9515d68de0) at wtf/FastMalloc.cpp:2495
#2  0x00007f951539ff19 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3  0x00007f9510559e9a in start_thread (arg=0x7f9501319700) at pthread_create.c:308
#4  0x00007f951631f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f95007fc700 (LWP 2346)):
#0  0x00007f950ec375c0 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f950ebfb1f8 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f950ebfbf04 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f950ebfc164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9510f13426 in QEventDispatcherGlib::processEvents (this=0x7f94f80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f9510ee2c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f9510ee2ed7 in QEventLoop::exec (this=0x7f95007fbe00, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f9510de1fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x00007f9510de4fcb in QThreadPrivate::start (arg=0x2646a50) at thread/qthread_unix.cpp:298
#9  0x00007f9510559e9a in start_thread (arg=0x7f95007fc700) at pthread_create.c:308
#10 0x00007f951631f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f94ff89c700 (LWP 2347)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f9515f11222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f9515f11259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f9510559e9a in start_thread (arg=0x7f94ff89c700) at pthread_create.c:308
#4  0x00007f951631f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f94fe38c700 (LWP 2348)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f9510de54db in wait (time=18446744073709551615, this=0x24296c0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2429840, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f9512e320eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2429570, th=0x2677af0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f9512e349db in ThreadWeaver::WorkingHardState::applyForWork (this=0x24298d0, th=0x2677af0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f9512e3384f in ThreadWeaver::ThreadRunHelper::run (this=0x7f94fe38be20, parent=0x2429570, th=0x2677af0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f9512e338db in ThreadWeaver::Thread::run (this=0x2677af0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f9510de4fcb in QThreadPrivate::start (arg=0x2677af0) at thread/qthread_unix.cpp:298
#8  0x00007f9510559e9a in start_thread (arg=0x7f94fe38c700) at pthread_create.c:308
#9  0x00007f951631f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f94f7da0700 (LWP 2350)):
#0  0x00007f9516313b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f950ebfc036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f950ebfc164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9510f13426 in QEventDispatcherGlib::processEvents (this=0x7f94ac0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f9510ee2c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f9510ee2ed7 in QEventLoop::exec (this=0x7f94f7d9fdd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f9510de1fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f9510ec29ff in QInotifyFileSystemWatcherEngine::run (this=0x27171a0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f9510de4fcb in QThreadPrivate::start (arg=0x27171a0) at thread/qthread_unix.cpp:298
#9  0x00007f9510559e9a in start_thread (arg=0x7f94f7da0700) at pthread_create.c:308
#10 0x00007f951631f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f94f5115700 (LWP 2366)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f9510de54db in wait (time=18446744073709551615, this=0x24296c0) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2429840, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f9512e320eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2429570, th=0x2af87c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f9512e349db in ThreadWeaver::WorkingHardState::applyForWork (this=0x24298d0, th=0x2af87c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f9512e3384f in ThreadWeaver::ThreadRunHelper::run (this=0x7f94f5114e20, parent=0x2429570, th=0x2af87c0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f9512e338db in ThreadWeaver::Thread::run (this=0x2af87c0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f9510de4fcb in QThreadPrivate::start (arg=0x2af87c0) at thread/qthread_unix.cpp:298
#8  0x00007f9510559e9a in start_thread (arg=0x7f94f5115700) at pthread_create.c:308
#9  0x00007f951631f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f946e2af700 (LWP 2412)):
#0  0x00007f9516313b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f950ebfc036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f950ebfc49a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9478d6f406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f950ec1d9e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9510559e9a in start_thread (arg=0x7f946e2af700) at pthread_create.c:308
#6  0x00007f951631f4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f9516b1b780 (LWP 2344)):
[KCrash Handler]
#6  0x00007f9510efa1a9 in QMetaObject::removeGuard (ptr=0x302a3e0) at kernel/qobject.cpp:431
#7  0x00007f9513970d80 in ~QPointer (this=<optimized out>, __in_chrg=<optimized out>) at /usr/include/qt4/QtCore/qpointer.h:64
#8  ~Private (this=<optimized out>, __in_chrg=<optimized out>) at ../../kdeui/jobs/kdialogjobuidelegate.cpp:34
#9  KDialogJobUiDelegate::~KDialogJobUiDelegate (this=0x2717b60, __in_chrg=<optimized out>) at ../../kdeui/jobs/kdialogjobuidelegate.cpp:54
#10 0x00007f951338e689 in KIO::JobUiDelegate::~JobUiDelegate (this=0x2717b60, __in_chrg=<optimized out>) at ../../kio/kio/jobuidelegate.cpp:53
#11 0x00007f95122b8a9e in KJob::~KJob (this=0x2ffb370, __in_chrg=<optimized out>) at ../../kdecore/jobs/kjob.cpp:72
#12 0x00007f951337e77c in KIO::SimpleJob::~SimpleJob (this=<optimized out>, __in_chrg=<optimized out>) at ../../kio/kio/job.cpp:374
#13 0x00007f951337ea09 in KIO::TransferJob::~TransferJob (this=0x2ffb370, __in_chrg=<optimized out>) at ../../kio/kio/job.cpp:967
#14 0x00007f9510efd478 in QObject::event (this=0x2ffb370, e=<optimized out>) at kernel/qobject.cpp:1176
#15 0x00007f9511406894 in notify_helper (e=0x2cc9790, receiver=0x2ffb370, this=0x22d24e0) at kernel/qapplication.cpp:4559
#16 QApplicationPrivate::notify_helper (this=0x22d24e0, receiver=0x2ffb370, e=0x2cc9790) at kernel/qapplication.cpp:4531
#17 0x00007f951140b713 in QApplication::notify (this=0x7fffe8670d20, receiver=0x2ffb370, e=0x2cc9790) at kernel/qapplication.cpp:4420
#18 0x00007f951397ebb6 in KApplication::notify (this=0x7fffe8670d20, receiver=0x2ffb370, event=0x2cc9790) at ../../kdeui/kernel/kapplication.cpp:311
#19 0x00007f9510ee3e9c in QCoreApplication::notifyInternal (this=0x7fffe8670d20, receiver=0x2ffb370, event=0x2cc9790) at kernel/qcoreapplication.cpp:876
#20 0x00007f9510ee7c6a in sendEvent (event=0x2cc9790, receiver=0x2ffb370) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#21 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x22991f0) at kernel/qcoreapplication.cpp:1500
#22 0x00007f9510f12f93 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#23 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:279
#24 0x00007f950ebfbd53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f950ebfc0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f950ebfc164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f9510f133bf in QEventDispatcherGlib::processEvents (this=0x229aad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#28 0x00007f95114aed5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#29 0x00007f9510ee2c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#30 0x00007f9510ee2ed7 in QEventLoop::exec (this=0x7fffe8670cb0, flags=...) at kernel/qeventloop.cpp:204
#31 0x00007f9510ee7f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#32 0x00007f95166f8c9e in kdemain (argc=1, argv=<optimized out>) at /build/buildd/rekonq-0.9.1/src/main.cpp:180
#33 0x00007f951624e76d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=1, ubp_av=0x7fffe86714d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffe86714c8) at libc-start.c:226
#34 0x0000000000400661 in _start ()

Possible duplicates by query: bug 300687, bug 300336, bug 300072, bug 299931, bug 299051.

Reported using DrKonqi