Bug 303136

Application: rekonq (0.9.1)
KDE Platform Version: 4.8.4 (4.8.4)
Qt Version: 4.8.1
Operating System: Linux 3.5.0-3-generic x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed: Every time I close rekong crashes. If in help, I have 3 tabs open at the time

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 0x7fccb9efe780 (LWP 6251))]

Thread 8 (Thread 0x7fcca4341700 (LWP 6252)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fccb8784dec in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7fccb914dde0) at wtf/FastMalloc.cpp:2495
#2  0x00007fccb8784f19 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3  0x00007fccb3931e9a in start_thread (arg=0x7fcca4341700) at pthread_create.c:308
#4  0x00007fccb97044bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7fcca3834700 (LWP 6253)):
#0  0x00007fccb3933f69 in __pthread_mutex_lock (mutex=0x7fcc9c000a60) at pthread_mutex_lock.c:92
#1  0x00007fccb200e5a1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fccb1fd2851 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fccb1fd2f5b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fccb1fd3164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fccb42ec426 in QEventDispatcherGlib::processEvents (this=0x7fcc9c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fccb42bbc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fccb42bbed7 in QEventLoop::exec (this=0x7fcca3833e00, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fccb41bafa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007fccb41bdfcb in QThreadPrivate::start (arg=0x20e2370) at thread/qthread_unix.cpp:298
#10 0x00007fccb3931e9a in start_thread (arg=0x7fcca3834700) at pthread_create.c:308
#11 0x00007fccb97044bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fcca29b8700 (LWP 6254)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fccb92f6222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fccb92f6259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fccb3931e9a in start_thread (arg=0x7fcca29b8700) at pthread_create.c:308
#4  0x00007fccb97044bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fcc5b374700 (LWP 6258)):
#0  0x00007fccb96f8b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fccb1fd3036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fccb1fd3164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fccb42ec426 in QEventDispatcherGlib::processEvents (this=0x7fcc480008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fccb42bbc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fccb42bbed7 in QEventLoop::exec (this=0x7fcc5b373dd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fccb41bafa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007fccb429b9ff in QInotifyFileSystemWatcherEngine::run (this=0x23841b0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fccb41bdfcb in QThreadPrivate::start (arg=0x23841b0) at thread/qthread_unix.cpp:298
#9  0x00007fccb3931e9a in start_thread (arg=0x7fcc5b374700) at pthread_create.c:308
#10 0x00007fccb97044bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fcc5bff8700 (LWP 6324)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fccb41be4db in wait (time=18446744073709551615, this=0x1e2a900) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1e2aa20, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fccb62110eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1e2a7e0, th=0x32e69d0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fccb62139db in ThreadWeaver::WorkingHardState::applyForWork (this=0x1e2aa80, th=0x32e69d0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fccb621284f in ThreadWeaver::ThreadRunHelper::run (this=0x7fcc5bff7e20, parent=0x1e2a7e0, th=0x32e69d0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fccb62128db in ThreadWeaver::Thread::run (this=0x32e69d0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fccb41bdfcb in QThreadPrivate::start (arg=0x32e69d0) at thread/qthread_unix.cpp:298
#8  0x00007fccb3931e9a in start_thread (arg=0x7fcc5bff8700) at pthread_create.c:308
#9  0x00007fccb97044bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fcc24ff9700 (LWP 6591)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fccb41be4db in wait (time=18446744073709551615, this=0x1e2a900) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1e2aa20, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fccb62110eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1e2a7e0, th=0x9babcb0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fccb62139db in ThreadWeaver::WorkingHardState::applyForWork (this=0x1e2aa80, th=0x9babcb0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fccb621284f in ThreadWeaver::ThreadRunHelper::run (this=0x7fcc24ff8e20, parent=0x1e2a7e0, th=0x9babcb0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fccb62128db in ThreadWeaver::Thread::run (this=0x9babcb0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fccb41bdfcb in QThreadPrivate::start (arg=0x9babcb0) at thread/qthread_unix.cpp:298
#8  0x00007fccb3931e9a in start_thread (arg=0x7fcc24ff9700) at pthread_create.c:308
#9  0x00007fccb97044bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fcc25ffb700 (LWP 6614)):
#0  0x00007fccb96f8b03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fccb1fd3036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fccb1fd349a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fcc4c90c406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fccb1ff49e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fccb3931e9a in start_thread (arg=0x7fcc25ffb700) at pthread_create.c:308
#6  0x00007fccb97044bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fccb9efe780 (LWP 6251)):
[KCrash Handler]
#6  0x00007fccb482063f in QWidget::testAttribute_helper (this=0x1c91bd0, attribute=Qt::WA_WState_Created) at kernel/qwidget.cpp:11034
#7  0x00007fccb483136e in testAttribute (attribute=Qt::WA_WState_Created, this=0x1c91bd0) at ../../include/QtGui/../../src/gui/kernel/qwidget.h:1042
#8  QWidget::winId (this=0x1c91bd0) at kernel/qwidget.cpp:2515
#9  0x00007fccb67694af in KIO::SimpleJobPrivate::start (this=0x79a9670, slave=0x36e5410) at ../../kio/kio/job.cpp:424
#10 0x00007fccb6769bab in KIO::TransferJobPrivate::start (this=0x79a9670, slave=0x36e5410) at ../../kio/kio/job.cpp:1250
#11 0x00007fccb67f7deb in startJob (slave=0x36e5410, job=0x3621c40) at ../../kio/kio/scheduler.cpp:60
#12 KIO::ProtoQueue::startAJob (this=0x25fb1e0) at ../../kio/kio/scheduler.cpp:634
#13 0x00007fccb42d1281 in QMetaObject::activate (sender=0x25fb238, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#14 0x00007fccb42d6179 in QObject::event (this=0x25fb238, e=<optimized out>) at kernel/qobject.cpp:1157
#15 0x00007fccb47df894 in notify_helper (e=0x7fffd06636f0, receiver=0x25fb238, this=0x1c8eb40) at kernel/qapplication.cpp:4559
#16 QApplicationPrivate::notify_helper (this=0x1c8eb40, receiver=0x25fb238, e=0x7fffd06636f0) at kernel/qapplication.cpp:4531
#17 0x00007fccb47e4713 in QApplication::notify (this=0x7fffd06639c0, receiver=0x25fb238, e=0x7fffd06636f0) at kernel/qapplication.cpp:4420
#18 0x00007fccb6d619e6 in KApplication::notify (this=0x7fffd06639c0, receiver=0x25fb238, event=0x7fffd06636f0) at ../../kdeui/kernel/kapplication.cpp:311
#19 0x00007fccb42bce9c in QCoreApplication::notifyInternal (this=0x7fffd06639c0, receiver=0x25fb238, event=0x7fffd06636f0) at kernel/qcoreapplication.cpp:876
#20 0x00007fccb42ee1f2 in sendEvent (event=0x7fffd06636f0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#21 QTimerInfoList::activateTimers (this=0x1c94570) at kernel/qeventdispatcher_unix.cpp:611
#22 0x00007fccb42ebc0d in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:186
#23 timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:180
#24 0x00007fccb1fd2d53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fccb1fd30a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007fccb1fd3164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007fccb42ec3bf in QEventDispatcherGlib::processEvents (this=0x1c5bad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#28 0x00007fccb4887d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#29 0x00007fccb42bbc82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#30 0x00007fccb42bbed7 in QEventLoop::exec (this=0x7fffd0663950, flags=...) at kernel/qeventloop.cpp:204
#31 0x00007fccb42c0f67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#32 0x00007fccb9addc9e in kdemain (argc=1, argv=<optimized out>) at /build/buildd/rekonq-0.9.1/src/main.cpp:180
#33 0x00007fccb963376d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=1, ubp_av=0x7fffd0664178, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffd0664168) at libc-start.c:226
#34 0x0000000000400661 in _start ()

This bug may be a duplicate of or related to bug 282052.

Possible duplicates by query: bug 303037, bug 301576, bug 301532, bug 301524, bug 300830.

Reported using DrKonqi