Bug 302525

Application: rekonq (0.9.2)
KDE Platform Version: 4.8.4 (4.8.4)
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:

So, I`ve looked a page about few seconds, and close it. After closing crash occured.

- Unusual behavior I noticed:

rekonq crash on close

The crash can be reproduced some of the 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 0x7f01a8a95780 (LWP 2823))]

Thread 12 (Thread 0x7f0192ef6700 (LWP 2824)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f01a7317dec in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7f01a7ce0de0) at wtf/FastMalloc.cpp:2495
#2  0x00007f01a7317f19 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3  0x00007f01a24c8e9a in start_thread (arg=0x7f0192ef6700) at pthread_create.c:308
#4  0x00007f01a82974bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f01923e9700 (LWP 2825)):
#0  0x00007f01a828bb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f01a0b6b036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f01a0b6b164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f01a2e82426 in QEventDispatcherGlib::processEvents (this=0x7f018c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f01a2e51c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f01a2e51ed7 in QEventLoop::exec (this=0x7f01923e8e00, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f01a2d50fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f01a2d53fcb in QThreadPrivate::start (arg=0x13da270) at thread/qthread_unix.cpp:298
#8  0x00007f01a24c8e9a in start_thread (arg=0x7f01923e9700) at pthread_create.c:308
#9  0x00007f01a82974bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f019156d700 (LWP 2826)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f01a7e89222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f01a7e89259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f01a24c8e9a in start_thread (arg=0x7f019156d700) at pthread_create.c:308
#4  0x00007f01a82974bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f018bfff700 (LWP 2827)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f01a2d544db in wait (time=18446744073709551615, this=0x10bed30) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x10beeb0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f01a4da60eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x10bebe0, th=0x1405780) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f01a4da89db in ThreadWeaver::WorkingHardState::applyForWork (this=0x10bef40, th=0x1405780) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f01a4da89f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x10bef40, th=0x1405780) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f01a4da784f in ThreadWeaver::ThreadRunHelper::run (this=0x7f018bffee20, parent=0x10bebe0, th=0x1405780) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f01a4da78db in ThreadWeaver::Thread::run (this=0x1405780) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f01a2d53fcb in QThreadPrivate::start (arg=0x1405780) at thread/qthread_unix.cpp:298
#9  0x00007f01a24c8e9a in start_thread (arg=0x7f018bfff700) at pthread_create.c:308
#10 0x00007f01a82974bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f01897b5700 (LWP 2839)):
#0  0x00007f01a828bb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f01a0b6b036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f01a0b6b164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f01a2e82426 in QEventDispatcherGlib::processEvents (this=0x7f013c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f01a2e51c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f01a2e51ed7 in QEventLoop::exec (this=0x7f01897b4dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f01a2d50fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f01a2e319ff in QInotifyFileSystemWatcherEngine::run (this=0x1430020) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f01a2d53fcb in QThreadPrivate::start (arg=0x1430020) at thread/qthread_unix.cpp:298
#9  0x00007f01a24c8e9a in start_thread (arg=0x7f01897b5700) at pthread_create.c:308
#10 0x00007f01a82974bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f0143747700 (LWP 2855)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f01a2d544db in wait (time=18446744073709551615, this=0x10bed30) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x10beeb0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f01a4da60eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x10bebe0, th=0x18700a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f01a4da89db in ThreadWeaver::WorkingHardState::applyForWork (this=0x10bef40, th=0x18700a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f01a4da784f in ThreadWeaver::ThreadRunHelper::run (this=0x7f0143746e20, parent=0x10bebe0, th=0x18700a0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f01a4da78db in ThreadWeaver::Thread::run (this=0x18700a0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f01a2d53fcb in QThreadPrivate::start (arg=0x18700a0) at thread/qthread_unix.cpp:298
#8  0x00007f01a24c8e9a in start_thread (arg=0x7f0143747700) at pthread_create.c:308
#9  0x00007f01a82974bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f0140f42700 (LWP 2903)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f01a2d544db in wait (time=18446744073709551615, this=0x10bed30) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x10beeb0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f01a4da60eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x10bebe0, th=0x24db070) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f01a4da89db in ThreadWeaver::WorkingHardState::applyForWork (this=0x10bef40, th=0x24db070) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f01a4da89f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x10bef40, th=0x24db070) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f01a4da89f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x10bef40, th=0x24db070) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f01a4da89f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x10bef40, th=0x24db070) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#8  0x00007f01a4da89f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x10bef40, th=0x24db070) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#9  0x00007f01a4da89f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x10bef40, th=0x24db070) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#10 0x00007f01a4da784f in ThreadWeaver::ThreadRunHelper::run (this=0x7f0140f41e20, parent=0x10bebe0, th=0x24db070) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x00007f01a4da78db in ThreadWeaver::Thread::run (this=0x24db070) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x00007f01a2d53fcb in QThreadPrivate::start (arg=0x24db070) at thread/qthread_unix.cpp:298
#13 0x00007f01a24c8e9a in start_thread (arg=0x7f0140f42700) at pthread_create.c:308
#14 0x00007f01a82974bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f010308a700 (LWP 2940)):
#0  0x00007f01a24cc05d in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x3025bd0) at pthread_mutex_unlock.c:290
#2  0x00007f01a0ba65d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f01a0b6af4e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f01a0b6b49a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0134e94406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007f01a0b8c9e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f01a24c8e9a in start_thread (arg=0x7f010308a700) at pthread_create.c:308
#8  0x00007f01a82974bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f00fa264700 (LWP 2952)):
#0  0x00007f01a0ba6320 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f01a0ba6599 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f01a0b6a851 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f01a0b6af5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f01a0b6b164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f01a2e82426 in QEventDispatcherGlib::processEvents (this=0x7f0104002e10, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f01a2e51c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f01a2e51ed7 in QEventLoop::exec (this=0x7f00fa263dd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f01a2d50fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f01a2e319ff in QInotifyFileSystemWatcherEngine::run (this=0x1f1f830) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f01a2d53fcb in QThreadPrivate::start (arg=0x1f1f830) at thread/qthread_unix.cpp:298
#11 0x00007f01a24c8e9a in start_thread (arg=0x7f00fa264700) at pthread_create.c:308
#12 0x00007f01a82974bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f00f8435700 (LWP 3230)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f01a2d544db in wait (time=18446744073709551615, this=0x10bed30) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x10beeb0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f01a4da60eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x10bebe0, th=0x33e76d0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f01a4da89db in ThreadWeaver::WorkingHardState::applyForWork (this=0x10bef40, th=0x33e76d0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f01a4da89f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x10bef40, th=0x33e76d0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f01a4da89f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x10bef40, th=0x33e76d0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f01a4da784f in ThreadWeaver::ThreadRunHelper::run (this=0x7f00f8434e20, parent=0x10bebe0, th=0x33e76d0) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f01a4da78db in ThreadWeaver::Thread::run (this=0x33e76d0) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f01a2d53fcb in QThreadPrivate::start (arg=0x33e76d0) at thread/qthread_unix.cpp:298
#10 0x00007f01a24c8e9a in start_thread (arg=0x7f00f8435700) at pthread_create.c:308
#11 0x00007f01a82974bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f00f8c36700 (LWP 3231)):
#0  0x00007f01a0b6aaa0 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f01a0b6afd6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f01a0b6b164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f01a2e82426 in QEventDispatcherGlib::processEvents (this=0x7f01140142e0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f01a2e51c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f01a2e51ed7 in QEventLoop::exec (this=0x7f00f8c35dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f01a2d50fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f01a53ae7de in KIO::NameLookUpThread::run (this=0x7f010c007fb0) at ../../kio/kio/hostinfo.cpp:226
#8  0x00007f01a2d53fcb in QThreadPrivate::start (arg=0x7f010c007fb0) at thread/qthread_unix.cpp:298
#9  0x00007f01a24c8e9a in start_thread (arg=0x7f00f8c36700) at pthread_create.c:308
#10 0x00007f01a82974bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f01a8a95780 (LWP 2823)):
[KCrash Handler]
#6  QWidget::focusProxy (this=0x91) at kernel/qwidget.cpp:6330
#7  0x00007f01a33bf5c3 in effectiveFocusWidget (this=0xfa04e0) at ../../include/QtGui/private/../../../src/gui/kernel/qwidget_p.h:584
#8  QWidget::setAttribute (this=0x1104e90, attribute=<optimized out>, on=true) at kernel/qwidget.cpp:10826
#9  0x00007f01a33c7384 in QWidget::winId (this=0x1104e90) at kernel/qwidget.cpp:2521
#10 0x00007f01a52fd4af in KIO::SimpleJobPrivate::start (this=0x3456920, slave=0x21e1010) at ../../kio/kio/job.cpp:424
#11 0x00007f01a52fdbab in KIO::TransferJobPrivate::start (this=0x3456920, slave=0x21e1010) at ../../kio/kio/job.cpp:1250
#12 0x00007f01a538bdeb in startJob (slave=0x21e1010, job=0x3a5f6d0) at ../../kio/kio/scheduler.cpp:60
#13 KIO::ProtoQueue::startAJob (this=0x21ab010) at ../../kio/kio/scheduler.cpp:634
#14 0x00007f01a2e67281 in QMetaObject::activate (sender=0x21ab068, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#15 0x00007f01a2e6c179 in QObject::event (this=0x21ab068, e=<optimized out>) at kernel/qobject.cpp:1157
#16 0x00007f01a3375894 in notify_helper (e=0x7fff7b362530, receiver=0x21ab068, this=0xf971d0) at kernel/qapplication.cpp:4559
#17 QApplicationPrivate::notify_helper (this=0xf971d0, receiver=0x21ab068, e=0x7fff7b362530) at kernel/qapplication.cpp:4531
#18 0x00007f01a337a713 in QApplication::notify (this=0x7fff7b362800, receiver=0x21ab068, e=0x7fff7b362530) at kernel/qapplication.cpp:4420
#19 0x00007f01a58f59e6 in KApplication::notify (this=0x7fff7b362800, receiver=0x21ab068, event=0x7fff7b362530) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x00007f01a2e52e9c in QCoreApplication::notifyInternal (this=0x7fff7b362800, receiver=0x21ab068, event=0x7fff7b362530) at kernel/qcoreapplication.cpp:876
#21 0x00007f01a2e841f2 in sendEvent (event=0x7fff7b362530, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#22 QTimerInfoList::activateTimers (this=0xf9c460) at kernel/qeventdispatcher_unix.cpp:611
#23 0x00007f01a2e81c0d in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:186
#24 timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:180
#25 0x00007f01a0b6ad53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f01a0b6b0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f01a0b6b164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f01a2e823bf in QEventDispatcherGlib::processEvents (this=0xf64ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#29 0x00007f01a341dd5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#30 0x00007f01a2e51c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#31 0x00007f01a2e51ed7 in QEventLoop::exec (this=0x7fff7b362790, flags=...) at kernel/qeventloop.cpp:204
#32 0x00007f01a2e56f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#33 0x00007f01a867170e in kdemain (argc=1, argv=<optimized out>) at /build/buildd/rekonq-0.9.2/src/main.cpp:180
#34 0x00007f01a81c676d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=1, ubp_av=0x7fff7b362fb8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff7b362fa8) at libc-start.c:226
#35 0x0000000000400661 in _start ()

Possible duplicates by query: bug 301664, bug 301353, bug 301138, bug 300943, bug 299781.

Reported using DrKonqi