Bug 290044

Application: rekonq (0.8.0)
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-14-generic x86_64
Distribution: Ubuntu 11.10

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

Rekonq has downloaded and displayed a PDF file from a link in Okular. The crash happened on closing the window.

-- Backtrace:
Application: rekonq (rekonq), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fec520c7780 (LWP 30049))]

Thread 6 (Thread 0x7fec33362700 (LWP 30050)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fec509b4c2c in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007fec509b4d59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007fec4c0e5efc in start_thread (arg=0x7fec33362700) at pthread_create.c:304
#4  0x00007fec5191389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fec32b61700 (LWP 30051)):
#0  0x00007fec51907773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fec4a518f68 in g_main_context_poll (n_fds=1, fds=0xf41720, timeout=6619, context=0xbcec90, priority=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402
#2  g_main_context_iterate (context=0xbcec90, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3084
#3  0x00007fec4a519429 in g_main_context_iteration (context=0xbcec90, may_block=1) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3152
#4  0x00007fec4c799f3e in QEventDispatcherGlib::processEvents (this=0xbced80, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007fec4c76dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fec4c76def7 in QEventLoop::exec (this=0x7fec32b60e00, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007fec4c68527f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007fec4c687d05 in QThreadPrivate::start (arg=0xbd11e0) at thread/qthread_unix.cpp:331
#9  0x00007fec4c0e5efc in start_thread (arg=0x7fec32b61700) at pthread_create.c:304
#10 0x00007fec5191389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fec31ce9700 (LWP 30052)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fec51515fe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fec51516019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fec4c0e5efc in start_thread (arg=0x7fec31ce9700) at pthread_create.c:304
#4  0x00007fec5191389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fec308a9700 (LWP 30053)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fec4c6881ab in wait (time=18446744073709551615, this=0x993fa0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x98b2c0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fec4e698864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9cca00, th=0x1112490) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fec4e69ae0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x98ad40, th=0x1112490) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fec4e699ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fec308a8e20, parent=0x9cca00, th=0x1112490) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fec4e699d5b in ThreadWeaver::Thread::run (this=0x1112490) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fec4c687d05 in QThreadPrivate::start (arg=0x1112490) at thread/qthread_unix.cpp:331
#8  0x00007fec4c0e5efc in start_thread (arg=0x7fec308a9700) at pthread_create.c:304
#9  0x00007fec5191389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fec215b6700 (LWP 30166)):
#0  g_main_context_query (context=0x7fec2c0338c0, max_priority=<optimized out>, timeout=0x7fec215b5cac, fds=<optimized out>, n_fds=2) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:2875
#1  0x00007fec4a518e6a in g_main_context_iterate (context=0x7fec2c0338c0, block=1, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3071
#2  0x00007fec4a519429 in g_main_context_iteration (context=0x7fec2c0338c0, may_block=1) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3152
#3  0x00007fec4c799f3e in QEventDispatcherGlib::processEvents (this=0x7fec2c003f30, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fec4c76dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fec4c76def7 in QEventLoop::exec (this=0x7fec215b5dd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fec4c68527f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fec4c750cbf in QInotifyFileSystemWatcherEngine::run (this=0x41f7d70) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fec4c687d05 in QThreadPrivate::start (arg=0x41f7d70) at thread/qthread_unix.cpp:331
#9  0x00007fec4c0e5efc in start_thread (arg=0x7fec215b6700) at pthread_create.c:304
#10 0x00007fec5191389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fec520c7780 (LWP 30049)):
[KCrash Handler]
#6  0x00007fec4cfb6692 in QStyleSheetStyle::event (this=0xf69e30, e=0x7fff5cdc2b90) at styles/qstylesheetstyle.cpp:5808
#7  0x00007fec4cc9f424 in notify_helper (e=0x7fff5cdc2b90, receiver=0xf69e30, this=0x823e80) at kernel/qapplication.cpp:4486
#8  QApplicationPrivate::notify_helper (this=0x823e80, receiver=0xf69e30, e=0x7fff5cdc2b90) at kernel/qapplication.cpp:4458
#9  0x00007fec4cca4291 in QApplication::notify (this=0x7fff5cdc3920, receiver=0xf69e30, e=0x7fff5cdc2b90) at kernel/qapplication.cpp:4365
#10 0x00007fec4f1da466 in KApplication::notify (this=0x7fff5cdc3920, receiver=0xf69e30, event=0x7fff5cdc2b90) at ../../kdeui/kernel/kapplication.cpp:311
#11 0x00007fec4c76eafc in QCoreApplication::notifyInternal (this=0x7fff5cdc3920, receiver=0xf69e30, event=0x7fff5cdc2b90) at kernel/qcoreapplication.cpp:787
#12 0x00007fec4cc9dc65 in sendEvent (event=0x7fff5cdc2b90, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#13 QApplicationPrivate::setFocusWidget (focus=0x0, reason=Qt::OtherFocusReason) at kernel/qapplication.cpp:2248
#14 0x00007fec4cce0444 in clearFocus (this=0xf4f270) at kernel/qwidget.cpp:6470
#15 QWidget::clearFocus (this=0xf4f270) at kernel/qwidget.cpp:6454
#16 0x00007fec4cceb014 in QWidget::~QWidget (this=0xf4f270, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1583
#17 0x00007fec51c9e009 in UrlBar::~UrlBar() () from /usr/lib/kde4/libkdeinit/libkdeinit4_rekonq.so
#18 0x00007fec4c780d75 in QObjectPrivate::deleteChildren (this=0x9aeb40) at kernel/qobject.cpp:1955
#19 0x00007fec4cceb0da in QWidget::~QWidget (this=0x9af070, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1651
#20 0x00007fec51c9b711 in StackedUrlBar::~StackedUrlBar() () from /usr/lib/kde4/libkdeinit/libkdeinit4_rekonq.so
#21 0x00007fec4ccf65f9 in QWidgetAction::~QWidgetAction (this=0xbe45f0, __in_chrg=<optimized out>) at kernel/qwidgetaction.cpp:128
#22 0x00007fec4f0f3969 in KAction::~KAction (this=0xbe45f0, __in_chrg=<optimized out>) at ../../kdeui/actions/kaction.cpp:171
#23 0x00007fec4c780d75 in QObjectPrivate::deleteChildren (this=0x985830) at kernel/qobject.cpp:1955
#24 0x00007fec4cceb0da in QWidget::~QWidget (this=0x9db810, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1651
#25 0x00007fec51c3d171 in MainWindow::~MainWindow() () from /usr/lib/kde4/libkdeinit/libkdeinit4_rekonq.so
#26 0x00007fec51c3d1c9 in MainWindow::~MainWindow() () from /usr/lib/kde4/libkdeinit/libkdeinit4_rekonq.so
#27 0x00007fec4c785a88 in QObject::event (this=0x9db810, e=<optimized out>) at kernel/qobject.cpp:1200
#28 0x00007fec4ccef6eb in QWidget::event (this=0x9db810, event=0x41f84c0) at kernel/qwidget.cpp:8754
#29 0x00007fec4d0b1ceb in QMainWindow::event (this=0x9db810, event=0x41f84c0) at widgets/qmainwindow.cpp:1478
#30 0x00007fec4cc9f424 in notify_helper (e=0x41f84c0, receiver=0x9db810, this=0x823e80) at kernel/qapplication.cpp:4486
#31 QApplicationPrivate::notify_helper (this=0x823e80, receiver=0x9db810, e=0x41f84c0) at kernel/qapplication.cpp:4458
#32 0x00007fec4cca4291 in QApplication::notify (this=0x7fff5cdc3920, receiver=0x9db810, e=0x41f84c0) at kernel/qapplication.cpp:4365
#33 0x00007fec4f1da466 in KApplication::notify (this=0x7fff5cdc3920, receiver=0x9db810, event=0x41f84c0) at ../../kdeui/kernel/kapplication.cpp:311
#34 0x00007fec4c76eafc in QCoreApplication::notifyInternal (this=0x7fff5cdc3920, receiver=0x9db810, event=0x41f84c0) at kernel/qcoreapplication.cpp:787
#35 0x00007fec4c77251f in sendEvent (event=0x41f84c0, receiver=0x9db810) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#36 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x7f1430) at kernel/qcoreapplication.cpp:1428
#37 0x00007fec4c799a73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#38 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#39 0x00007fec4a518a5d in g_main_dispatch (context=0x82a020) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:2441
#40 g_main_context_dispatch (context=0x82a020) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3011
#41 0x00007fec4a519258 in g_main_context_iterate (context=0x82a020, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3089
#42 0x00007fec4a519429 in g_main_context_iteration (context=0x82a020, may_block=1) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3152
#43 0x00007fec4c799ed6 in QEventDispatcherGlib::processEvents (this=0x7f2f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#44 0x00007fec4cd4707e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#45 0x00007fec4c76dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#46 0x00007fec4c76def7 in QEventLoop::exec (this=0x7fff5cdc38b0, flags=...) at kernel/qeventloop.cpp:201
#47 0x00007fec4c772789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#48 0x00007fec51cc5b97 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_rekonq.so
#49 0x00007fec5185330d in __libc_start_main (main=0x400630, argc=2, ubp_av=0x7fff5cdc42b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff5cdc42a8) at libc-start.c:226
#50 0x0000000000400661 in _start ()

Possible duplicates by query: bug 289209, bug 286330, bug 286183, bug 286064, bug 285386.

Reported using DrKonqi