Bug 303986

Application: rekonq (0.9.1)
KDE Platform Version: 4.8.4 (4.8.4)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-26-generic-pae i686
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I saved a page with Rekonq and i later tried to open it, but it never ended loading. I closed and i tried again, but it crashed.
- Custom settings of the application:
None

The crash can be reproduced some of the time.

-- Backtrace:
Application: rekonq (rekonq), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb2d53980 (LWP 6975))]

Thread 6 (Thread 0xb048db40 (LWP 6976)):
#0  0xb774a424 in __kernel_vsyscall ()
#1  0xb3d1296b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb754e3dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb6a94263 in WTF::TCMalloc_PageHeap::scavengerThread (this=0xb71c0940) at wtf/FastMalloc.cpp:2495
#4  0xb6a9437f in WTF::TCMalloc_PageHeap::runScavengerThread (context=0xb71c0940) at wtf/FastMalloc.cpp:1618
#5  0xb3d0ed4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb7540ace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0xafb58b40 (LWP 6977)):
#0  0xb39d00fc in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb39d03c8 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb399087c in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb3990faf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb3991201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb3fe48e7 in QEventDispatcherGlib::processEvents (this=0xaf200468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb3fb050d in QEventLoop::processEvents (this=0xafb58270, flags=...) at kernel/qeventloop.cpp:149
#7  0xb3fb07a9 in QEventLoop::exec (this=0xafb58270, flags=...) at kernel/qeventloop.cpp:204
#8  0xb3e9994c in QThread::exec (this=0x9c79618) at thread/qthread.cpp:501
#9  0xb3e99a3b in QThread::run (this=0x9c79618) at thread/qthread.cpp:568
#10 0xb3e9cde0 in QThreadPrivate::start (arg=0x9c79618) at thread/qthread_unix.cpp:298
#11 0xb3d0ed4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb7540ace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xaf1d2b40 (LWP 6978)):
#0  0xb774a424 in __kernel_vsyscall ()
#1  0xb3d1296b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb754e3dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb7345029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0xb734506f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0xb3d0ed4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb7540ace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xae6ccb40 (LWP 6980)):
#0  0xb774a424 in __kernel_vsyscall ()
#1  0xb3d1296b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb754e3dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb3e9d350 in wait (time=4294967295, this=0x9a94998) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9a938c8, mutex=0x9a919a0, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb5108acc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9a938b0, th=0x9ca0438) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb510b95b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9a93978, th=0x9ca0438) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb510863a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9a938b0, th=0x9ca0438) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb510ba5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x9a93978, th=0x9ca0438) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb5108533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9a938b0, th=0x9ca0438, previous=0x9c9fe78) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb510a4e4 in ThreadWeaver::ThreadRunHelper::run (this=0xae6cc2a4, parent=0x9a938b0, th=0x9ca0438) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb510a59a in ThreadWeaver::Thread::run (this=0x9ca0438) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb3e9cde0 in QThreadPrivate::start (arg=0x9ca0438) at thread/qthread_unix.cpp:298
#13 0xb3d0ed4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0xb7540ace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xad968b40 (LWP 6982)):
#0  0xb39d0108 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb39d0408 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb3990c78 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb3991125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb3991201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb3fe48e7 in QEventDispatcherGlib::processEvents (this=0xacc00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb3fb050d in QEventLoop::processEvents (this=0xad968240, flags=...) at kernel/qeventloop.cpp:149
#7  0xb3fb07a9 in QEventLoop::exec (this=0xad968240, flags=...) at kernel/qeventloop.cpp:204
#8  0xb3e9994c in QThread::exec (this=0x9c40c68) at thread/qthread.cpp:501
#9  0xb3f8db5d in QInotifyFileSystemWatcherEngine::run (this=0x9c40c68) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb3e9cde0 in QThreadPrivate::start (arg=0x9c40c68) at thread/qthread_unix.cpp:298
#11 0xb3d0ed4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0xb7540ace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb2d53980 (LWP 6975)):
[KCrash Handler]
#7  0xb4295304 in QWidget::focusProxy (this=0x49) at kernel/qwidget.cpp:6330
#8  0xb429ff62 in effectiveFocusWidget (this=0x9d0ead0) at ../../include/QtGui/private/../../../src/gui/kernel/qwidget_p.h:584
#9  QWidget::setAttribute (this=0x9ab2028, attribute=Qt::WA_NativeWindow, on=true) at kernel/qwidget.cpp:10826
#10 0xb42a89a6 in QWidget::winId (this=0x9ab2028) at kernel/qwidget.cpp:2521
#11 0xb52311e1 in KIO::SimpleJobPrivate::start (this=0x9c58c98, slave=0x9aa8e58) at ../../kio/kio/job.cpp:424
#12 0xb5231a46 in KIO::TransferJobPrivate::start (this=0x9c58c98, slave=0x9aa8e58) at ../../kio/kio/job.cpp:1250
#13 0xb52cf26f in startJob (slave=0x9aa8e58, job=0x9c79648) at ../../kio/kio/scheduler.cpp:60
#14 KIO::ProtoQueue::startAJob (this=0x9cd34e8) at ../../kio/kio/scheduler.cpp:634
#15 0xb3fc86b1 in QMetaObject::activate (sender=0x9cd351c, m=0xb410f4d8, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3547
#16 0xb401b625 in QTimer::timeout (this=0x9cd351c) at .moc/release-shared/moc_qtimer.cpp:148
#17 0xb3fd1566 in QTimer::timerEvent (this=0x9cd351c, e=0xbfd31a8c) at kernel/qtimer.cpp:280
#18 0xb3fccac4 in QObject::event (this=0x9cd351c, e=0xbfd31a8c) at kernel/qobject.cpp:1157
#19 0xb424ced4 in notify_helper (e=0xbfd31a8c, receiver=0x9cd351c, this=0x99d7738) at kernel/qapplication.cpp:4559
#20 QApplicationPrivate::notify_helper (this=0x99d7738, receiver=0x9cd351c, e=0xbfd31a8c) at kernel/qapplication.cpp:4531
#21 0xb425230d in QApplication::notify (this=0xbfd31a8c, receiver=0x9cd351c, e=0xbfd31a8c) at kernel/qapplication.cpp:4288
#22 0xb55ff401 in KApplication::notify (this=0xbfd31d88, receiver=0x9cd351c, event=0xbfd31a8c) at ../../kdeui/kernel/kapplication.cpp:311
#23 0xb3fb197e in QCoreApplication::notifyInternal (this=0xbfd31d88, receiver=0x9cd351c, event=0xbfd31a8c) at kernel/qcoreapplication.cpp:876
#24 0xb3fe6990 in sendEvent (event=0xbfd31a8c, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#25 QTimerInfoList::activateTimers (this=0x99d94b4) at kernel/qeventdispatcher_unix.cpp:611
#26 0xb3fe40f8 in timerSourceDispatch (source=0x99d9480) at kernel/qeventdispatcher_glib.cpp:186
#27 timerSourceDispatch (source=0x99d9480) at kernel/qeventdispatcher_glib.cpp:180
#28 0xb3990d86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#29 0xb3991125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#30 0xb3991201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#31 0xb3fe4887 in QEventDispatcherGlib::processEvents (this=0x99acea0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#32 0xb4305aaa in QGuiEventDispatcherGlib::processEvents (this=0x99acea0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#33 0xb3fb050d in QEventLoop::processEvents (this=0xbfd31cf4, flags=...) at kernel/qeventloop.cpp:149
#34 0xb3fb07a9 in QEventLoop::exec (this=0xbfd31cf4, flags=...) at kernel/qeventloop.cpp:204
#35 0xb3fb5eba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#36 0xb424aa74 in QApplication::exec () at kernel/qapplication.cpp:3820
#37 0xb7713e7f in kdemain (argc=2, argv=0xbfd32034) at /build/buildd/rekonq-0.9.1/src/main.cpp:180
#38 0x080484fb in main (argc=2, argv=0xbfd32034) at /build/buildd/rekonq-0.9.1/obj-i686-linux-gnu/src/rekonq_dummy.cpp:3

Possible duplicates by query: bug 303918, bug 303723, bug 303219, bug 303192, bug 303038.

Reported using DrKonqi