Bug 292005

Application: rekonq (0.8.0)
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-15-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
I'd just closed Rekonq then this bug. It is not the first time!

-- Backtrace:
Application: rekonq (rekonq), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fc6e2252780 (LWP 2596))]

Thread 7 (Thread 0x7fc6c39ad700 (LWP 2597)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fc6e0b24c2c in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7fc6e14db220) at wtf/FastMalloc.cpp:2495
#2  0x00007fc6e0b24d59 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3  0x00007fc6dc254efc in start_thread (arg=0x7fc6c39ad700) at pthread_create.c:304
#4  0x00007fc6e1a8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fc6c31ac700 (LWP 2598)):
#0  0x00007fc6e1a77773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fc6da687f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc6da688429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc6dc908f3e in QEventDispatcherGlib::processEvents (this=0x2560770, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fc6dc8dccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fc6dc8dcef7 in QEventLoop::exec (this=0x7fc6c31abe00, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fc6dc7f427f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fc6dc7f6d05 in QThreadPrivate::start (arg=0x255bd10) at thread/qthread_unix.cpp:331
#8  0x00007fc6dc254efc in start_thread (arg=0x7fc6c31ac700) at pthread_create.c:304
#9  0x00007fc6e1a8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fc6c2334700 (LWP 2599)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fc6e1685fe2 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7fc6e197f1e0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007fc6e1686019 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007fc6dc254efc in start_thread (arg=0x7fc6c2334700) at pthread_create.c:304
#4  0x00007fc6e1a8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fc6c0e66700 (LWP 2600)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fc6dc7f71ab in wait (time=18446744073709551615, this=0x2309310) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2308750, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fc6de808864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2309b50, th=0x2a937e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fc6de80ae0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x2304fc0, th=0x2a937e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fc6de809ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fc6c0e65e20, parent=0x2309b50, th=0x2a937e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fc6de809d5b in ThreadWeaver::Thread::run (this=0x2a937e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fc6dc7f6d05 in QThreadPrivate::start (arg=0x2a937e0) at thread/qthread_unix.cpp:331
#8  0x00007fc6dc254efc in start_thread (arg=0x7fc6c0e66700) at pthread_create.c:304
#9  0x00007fc6e1a8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fc6bbfff700 (LWP 2601)):
#0  __pthread_getspecific (key=0) at pthread_getspecific.c:62
#1  0x00007fc6dc7f608c in get_thread_data () at thread/qthread_unix.cpp:172
#2  QThreadData::current () at thread/qthread_unix.cpp:210
#3  0x00007fc6dc9086a9 in postEventSourcePrepare (s=0x2aa7f20, timeout=0x7fc6bbffec3c) at kernel/qeventdispatcher_glib.cpp:254
#4  0x00007fc6da686ff2 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc6da687dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fc6da688429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fc6dc908f3e in QEventDispatcherGlib::processEvents (this=0x2aa74a0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#8  0x00007fc6dc8dccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#9  0x00007fc6dc8dcef7 in QEventLoop::exec (this=0x7fc6bbffedd0, flags=...) at kernel/qeventloop.cpp:201
#10 0x00007fc6dc7f427f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#11 0x00007fc6dee0ae8e in KIO::NameLookUpThread::run (this=0x2aa6bc0) at ../../kio/kio/hostinfo.cpp:226
#12 0x00007fc6dc7f6d05 in QThreadPrivate::start (arg=0x2aa6bc0) at thread/qthread_unix.cpp:331
#13 0x00007fc6dc254efc in start_thread (arg=0x7fc6bbfff700) at pthread_create.c:304
#14 0x00007fc6e1a8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fc6b8f28700 (LWP 2604)):
#0  0x00007fc6e1a77773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fc6da687f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc6da688429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc6dc908f3e in QEventDispatcherGlib::processEvents (this=0x232e710, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fc6dc8dccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fc6dc8dcef7 in QEventLoop::exec (this=0x7fc6b8f27dd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fc6dc7f427f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007fc6dc8bfcbf in QInotifyFileSystemWatcherEngine::run (this=0x2ae4b10) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fc6dc7f6d05 in QThreadPrivate::start (arg=0x2ae4b10) at thread/qthread_unix.cpp:331
#9  0x00007fc6dc254efc in start_thread (arg=0x7fc6b8f28700) at pthread_create.c:304
#10 0x00007fc6e1a8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fc6e2252780 (LWP 2596)):
[KCrash Handler]
#6  0x00007fc6dd125752 in QStyleSheetStyle::event (this=0x28f9460, e=0x7fffd19535b0) at styles/qstylesheetstyle.cpp:5808
#7  0x00007fc6dce0e474 in notify_helper (e=0x7fffd19535b0, receiver=0x28f9460, this=0x21ad360) at kernel/qapplication.cpp:4486
#8  QApplicationPrivate::notify_helper (this=0x21ad360, receiver=0x28f9460, e=0x7fffd19535b0) at kernel/qapplication.cpp:4458
#9  0x00007fc6dce132e1 in QApplication::notify (this=0x7fffd1954340, receiver=0x28f9460, e=0x7fffd19535b0) at kernel/qapplication.cpp:4365
#10 0x00007fc6df34a466 in KApplication::notify (this=0x7fffd1954340, receiver=0x28f9460, event=0x7fffd19535b0) at ../../kdeui/kernel/kapplication.cpp:311
#11 0x00007fc6dc8ddafc in QCoreApplication::notifyInternal (this=0x7fffd1954340, receiver=0x28f9460, event=0x7fffd19535b0) at kernel/qcoreapplication.cpp:787
#12 0x00007fc6dce0ccb5 in sendEvent (event=0x7fffd19535b0, 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 0x00007fc6dce4f494 in clearFocus (this=0x2614430) at kernel/qwidget.cpp:6470
#15 QWidget::clearFocus (this=0x2614430) at kernel/qwidget.cpp:6454
#16 0x00007fc6dce5a064 in QWidget::~QWidget (this=0x2614430, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1583
#17 0x00007fc6e1e0e009 in UrlBar::~UrlBar (this=0x2614430, __in_chrg=<optimized out>) at /build/buildd/rekonq-0.8.0/src/urlbar/urlbar.cpp:136
#18 0x00007fc6dc8efd75 in QObjectPrivate::deleteChildren (this=0x234fd10) at kernel/qobject.cpp:1955
#19 0x00007fc6dce5a12a in QWidget::~QWidget (this=0x23501c0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1651
#20 0x00007fc6e1e0b711 in ~StackedUrlBar (this=0x23501c0, __in_chrg=<optimized out>) at /build/buildd/rekonq-0.8.0/src/urlbar/stackedurlbar.h:41
#21 StackedUrlBar::~StackedUrlBar (this=<optimized out>, __in_chrg=<optimized out>) at /build/buildd/rekonq-0.8.0/src/urlbar/stackedurlbar.h:41
#22 0x00007fc6dce65649 in QWidgetAction::~QWidgetAction (this=0x2576510, __in_chrg=<optimized out>) at kernel/qwidgetaction.cpp:128
#23 0x00007fc6df263969 in KAction::~KAction (this=0x2576510, __in_chrg=<optimized out>) at ../../kdeui/actions/kaction.cpp:171
#24 0x00007fc6dc8efd75 in QObjectPrivate::deleteChildren (this=0x2367e40) at kernel/qobject.cpp:1955
#25 0x00007fc6dce5a12a in QWidget::~QWidget (this=0x2367cf0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1651
#26 0x00007fc6e1dad171 in MainWindow::~MainWindow (this=0x2367cf0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /build/buildd/rekonq-0.8.0/src/mainwindow.cpp:174
#27 0x00007fc6e1dad1c9 in MainWindow::~MainWindow (this=0x2367cf0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /build/buildd/rekonq-0.8.0/src/mainwindow.cpp:181
#28 0x00007fc6dc8f4a88 in QObject::event (this=0x2367cf0, e=<optimized out>) at kernel/qobject.cpp:1200
#29 0x00007fc6dce5e73b in QWidget::event (this=0x2367cf0, event=0x2ab8f00) at kernel/qwidget.cpp:8754
#30 0x00007fc6dd220dab in QMainWindow::event (this=0x2367cf0, event=0x2ab8f00) at widgets/qmainwindow.cpp:1478
#31 0x00007fc6dce0e474 in notify_helper (e=0x2ab8f00, receiver=0x2367cf0, this=0x21ad360) at kernel/qapplication.cpp:4486
#32 QApplicationPrivate::notify_helper (this=0x21ad360, receiver=0x2367cf0, e=0x2ab8f00) at kernel/qapplication.cpp:4458
#33 0x00007fc6dce132e1 in QApplication::notify (this=0x7fffd1954340, receiver=0x2367cf0, e=0x2ab8f00) at kernel/qapplication.cpp:4365
#34 0x00007fc6df34a466 in KApplication::notify (this=0x7fffd1954340, receiver=0x2367cf0, event=0x2ab8f00) at ../../kdeui/kernel/kapplication.cpp:311
#35 0x00007fc6dc8ddafc in QCoreApplication::notifyInternal (this=0x7fffd1954340, receiver=0x2367cf0, event=0x2ab8f00) at kernel/qcoreapplication.cpp:787
#36 0x00007fc6dc8e151f in sendEvent (event=0x2ab8f00, receiver=0x2367cf0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#37 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x2179430) at kernel/qcoreapplication.cpp:1428
#38 0x00007fc6dc908a73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#39 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#40 0x00007fc6da687a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007fc6da688258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007fc6da688429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007fc6dc908ed6 in QEventDispatcherGlib::processEvents (this=0x217af40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#44 0x00007fc6dceb610e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#45 0x00007fc6dc8dccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#46 0x00007fc6dc8dcef7 in QEventLoop::exec (this=0x7fffd19542d0, flags=...) at kernel/qeventloop.cpp:201
#47 0x00007fc6dc8e1789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#48 0x00007fc6e1e35b97 in kdemain (argc=2, argv=<optimized out>) at /build/buildd/rekonq-0.8.0/src/main.cpp:215
#49 0x00007fc6e19c330d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=2, ubp_av=0x7fffd1954cd8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffd1954cc8) at libc-start.c:226
#50 0x0000000000400661 in _start ()

Possible duplicates by query: bug 290044, bug 289209, bug 286330, bug 286183, bug 286064.

Reported using DrKonqi