Application: rekonq (2.4.2)
KDE Platform Version: 4.13.1
Qt Version: 4.8.6
Operating System: Linux 3.13.0-30-generic i686
Distribution: Ubuntu 14.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
estaba en facebook ,pero de la nada salio ese mensaje de error

The crash can be reproduced sometimes.

-- 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 0xb22d8740 (LWP 2094))]

Thread 8 (Thread 0xaf612b40 (LWP 2096)):
#0  0xb7702424 in __kernel_vsyscall ()
#1  0xb2cd0d4b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb74e58ec in __pthread_cond_wait (cond=0xb73dfcb0 <WTF::pageheap_memory+20720>, mutex=0xb73dfc98 <WTF::pageheap_memory+20696>) at forward.c:149
#3  0xb6b679ac in WTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb6b679ff in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb2cccf70 in start_thread (arg=0xaf612b40) at pthread_create.c:312
#6  0xb74d870e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 7 (Thread 0xae2ffb40 (LWP 2127)):
#0  0xb7702424 in __kernel_vsyscall ()
#1  0xb2cd0d4b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb74e58ec in __pthread_cond_wait (cond=0xaed5e7dc, mutex=0xaed5e7c4) at forward.c:149
#3  0xb6b969f3 in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb6872574 in JSC::BlockAllocator::blockFreeingThreadMain() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb6b7d7c6 in WTF::threadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#6  0xb6b96369 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#7  0xb2cccf70 in start_thread (arg=0xae2ffb40) at pthread_create.c:312
#8  0xb74d870e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 6 (Thread 0xad2ffb40 (LWP 2128)):
#0  0xb7702424 in __kernel_vsyscall ()
#1  0xb2cd0d4b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb74e58ec in __pthread_cond_wait (cond=0xaed66bf0, mutex=0xaed66bd8) at forward.c:149
#3  0xb6b969f3 in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb5f15e64 in WebCore::IconDatabase::syncThreadMainLoop() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb5f17ce4 in WebCore::IconDatabase::iconDatabaseSyncThread() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#6  0xb6b7d7c6 in WTF::threadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#7  0xb6b96369 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#8  0xb2cccf70 in start_thread (arg=0xad2ffb40) at pthread_create.c:312
#9  0xb74d870e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 5 (Thread 0xabcffb40 (LWP 2136)):
#0  0xb7702424 in __kernel_vsyscall ()
#1  0xb74c773b in read () at ../sysdeps/unix/syscall-template.S:81
#2  0xb2fc228e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2f7decb in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2f7e37a in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb2f7e528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb37e395f in QEventDispatcherGlib::processEvents (this=0xab300468, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#7  0xb37b2823 in QEventLoop::processEvents (this=this@entry=0xabcff288, flags=...) at kernel/qeventloop.cpp:149
#8  0xb37b2b49 in QEventLoop::exec (this=this@entry=0xabcff288, flags=...) at kernel/qeventloop.cpp:204
#9  0xb369f23d in QThread::exec (this=this@entry=0x9f200a8) at thread/qthread.cpp:537
#10 0xb369f38b in QThread::run (this=0x9f200a8) at thread/qthread.cpp:604
#11 0xb36a1b6f in QThreadPrivate::start (arg=0x9f200a8) at thread/qthread_unix.cpp:349
#12 0xb2cccf70 in start_thread (arg=0xabcffb40) at pthread_create.c:312
#13 0xb74d870e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 4 (Thread 0xab06fb40 (LWP 2139)):
#0  0xb2ccf18a in __GI___pthread_mutex_lock (mutex=0xaa700558) at ../nptl/pthread_mutex_lock.c:125
#1  0xb74e5af4 in pthread_mutex_lock (mutex=0xaa700558) at forward.c:192
#2  0xb2fc3100 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2f7de0b in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2f7e37a in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb2f7e528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb37e395f in QEventDispatcherGlib::processEvents (this=0xaa700468, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#7  0xb37b2823 in QEventLoop::processEvents (this=this@entry=0xab06f258, flags=...) at kernel/qeventloop.cpp:149
#8  0xb37b2b49 in QEventLoop::exec (this=this@entry=0xab06f258, flags=...) at kernel/qeventloop.cpp:204
#9  0xb369f23d in QThread::exec (this=this@entry=0xa11f078) at thread/qthread.cpp:537
#10 0xb3792c44 in QInotifyFileSystemWatcherEngine::run (this=0xa11f078) at io/qfilesystemwatcher_inotify.cpp:265
#11 0xb36a1b6f in QThreadPrivate::start (arg=0xa11f078) at thread/qthread_unix.cpp:349
#12 0xb2cccf70 in start_thread (arg=0xab06fb40) at pthread_create.c:312
#13 0xb74d870e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 3 (Thread 0x9f898b40 (LWP 2216)):
#0  0xb74c97af in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0xb2f8d20b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb2f7e3e8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2f7e76b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xa48eee9a in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#5  0xb2fa49ca in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb2cccf70 in start_thread (arg=0x9f898b40) at pthread_create.c:312
#7  0xb74d870e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 2 (Thread 0x9f097b40 (LWP 2221)):
#0  0xb2fc2d2e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb2fc30f8 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb2f7e2b5 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2f7e528 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2f7e57e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb2fa49ca in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb2cccf70 in start_thread (arg=0x9f097b40) at pthread_create.c:312
#7  0xb74d870e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:129

Thread 1 (Thread 0xb22d8740 (LWP 2094)):
[KCrash Handler]
#7  0x00000000 in ?? ()
#8  0xb40f4c2c in QStyleSheetStyle::event (this=0x9f7ede8, e=0xbfc01170) at styles/qstylesheetstyle.cpp:5798
#9  0xb3d8d7f4 in QApplicationPrivate::notify_helper (this=0x9d62278, receiver=0x9f7ede8, e=0xbfc01170) at kernel/qapplication.cpp:4567
#10 0xb3d942d3 in QApplication::notify (this=0xbfc01cc0, receiver=receiver@entry=0x9f7ede8, e=e@entry=0xbfc01170) at kernel/qapplication.cpp:4353
#11 0xb50871f4 in KApplication::notify (this=0xbfc01cc0, receiver=0x9f7ede8, event=0xbfc01170) at ../../kdeui/kernel/kapplication.cpp:311
#12 0xb37b3e4a in QCoreApplication::notifyInternal (this=0xbfc01cc0, receiver=0x9f7ede8, event=event@entry=0xbfc01170) at kernel/qcoreapplication.cpp:953
#13 0xb3d92380 in sendEvent (event=0xbfc01170, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#14 QApplicationPrivate::setFocusWidget (focus=focus@entry=0x0, reason=reason@entry=Qt::OtherFocusReason) at kernel/qapplication.cpp:2270
#15 0xb3dd362c in QWidget::clearFocus (this=0x9f2b188) at kernel/qwidget.cpp:6547
#16 0xb3de3349 in QWidget::~QWidget (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1610
#17 0xb41f9e3f in QLineEdit::~QLineEdit (this=0x9f2b188, __in_chrg=<optimized out>) at widgets/qlineedit.cpp:357
#18 0xb5148406 in KLineEdit::~KLineEdit (this=0x9f2b188, __in_chrg=<optimized out>) at ../../kdeui/widgets/klineedit.cpp:245
#19 0xb7667ddf in UrlBar::~UrlBar (this=0x9f2b188, __in_chrg=<optimized out>) at /build/buildd/rekonq-2.4.2/src/urlbar/urlbar.cpp:170
#20 0xb7667e3c in UrlBar::~UrlBar (this=0x9f2b188, __in_chrg=<optimized out>) at /build/buildd/rekonq-2.4.2/src/urlbar/urlbar.cpp:176
#21 0xb3deb8bf in QWidgetAction::~QWidgetAction (this=0x9f663d8, __in_chrg=<optimized out>) at kernel/qwidgetaction.cpp:128
#22 0xb4f98974 in KAction::~KAction (this=0x9f663d8, __in_chrg=<optimized out>) at ../../kdeui/actions/kaction.cpp:160
#23 0xb4f989cc in KAction::~KAction (this=0x9f663d8, __in_chrg=<optimized out>) at ../../kdeui/actions/kaction.cpp:171
#24 0xb37cbbda in QObjectPrivate::deleteChildren (this=this@entry=0x9f31598) at kernel/qobject.cpp:1907
#25 0xb3de33fc in QWidget::~QWidget (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1679
#26 0xb76a57bc in WebWindow::~WebWindow (this=0x9f35c20, __in_chrg=<optimized out>) at /build/buildd/rekonq-2.4.2/src/webwindow/webwindow.cpp:159
#27 0xb76a581c in WebWindow::~WebWindow (this=0x9f35c20, __in_chrg=<optimized out>) at /build/buildd/rekonq-2.4.2/src/webwindow/webwindow.cpp:168
#28 0xb37cbbda in QObjectPrivate::deleteChildren (this=this@entry=0x9f1cc58) at kernel/qobject.cpp:1907
#29 0xb3de33fc in QWidget::~QWidget (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1679
#30 0xb41ecc9f in QFrame::~QFrame (this=0x9f21948, __in_chrg=<optimized out>) at widgets/qframe.cpp:240
#31 0xb425030f in QStackedWidget::~QStackedWidget (this=0x9f21948, __in_chrg=<optimized out>) at widgets/qstackedwidget.cpp:194
#32 0xb425034c in QStackedWidget::~QStackedWidget (this=0x9f21948, __in_chrg=<optimized out>) at widgets/qstackedwidget.cpp:196
#33 0xb37cbbda in QObjectPrivate::deleteChildren (this=this@entry=0x9f1caa8) at kernel/qobject.cpp:1907
#34 0xb3de33fc in QWidget::~QWidget (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1679
#35 0xb425ccdf in QTabWidget::~QTabWidget (this=0x9f1c288, __in_chrg=<optimized out>) at widgets/qtabwidget.cpp:365
#36 0xb517992c in KTabWidget::~KTabWidget (this=0x9f1c288, __in_chrg=<optimized out>) at ../../kdeui/widgets/ktabwidget.cpp:254
#37 0xb7666057 in ~TabWidget (this=0x9f1c288, __in_chrg=<optimized out>) at /build/buildd/rekonq-2.4.2/src/tabwindow/tabwidget.h:54
#38 TabWidget::~TabWidget (this=0x9f1c288, __in_chrg=<optimized out>) at /build/buildd/rekonq-2.4.2/src/tabwindow/tabwidget.h:54
#39 0xb37cbbda in QObjectPrivate::deleteChildren (this=this@entry=0xa08c278) at kernel/qobject.cpp:1907
#40 0xb3de33fc in QWidget::~QWidget (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1679
#41 0xb41ecc9f in QFrame::~QFrame (this=0xa082590, __in_chrg=<optimized out>) at widgets/qframe.cpp:240
#42 0xb424b664 in QSplitter::~QSplitter (this=0xa082590, __in_chrg=<optimized out>) at widgets/qsplitter.cpp:1050
#43 0xb424b6dc in QSplitter::~QSplitter (this=0xa082590, __in_chrg=<optimized out>) at widgets/qsplitter.cpp:1056
#44 0xb37cbbda in QObjectPrivate::deleteChildren (this=this@entry=0x9f1ddc8) at kernel/qobject.cpp:1907
#45 0xb3de33fc in QWidget::~QWidget (this=<optimized out>, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1679
#46 0xb765a112 in RWindow::~RWindow (this=0x9f1c258, __in_chrg=<optimized out>) at /build/buildd/rekonq-2.4.2/src/tabwindow/rwindow.cpp:148
#47 0xb765bf3e in RekonqWindow::~RekonqWindow (this=0x9f1c258, __in_chrg=<optimized out>) at /build/buildd/rekonq-2.4.2/src/tabwindow/rekonqwindow.cpp:72
#48 0xb765bf7c in RekonqWindow::~RekonqWindow (this=0x9f1c258, __in_chrg=<optimized out>) at /build/buildd/rekonq-2.4.2/src/tabwindow/rekonqwindow.cpp:74
#49 0xb37c7553 in qDeleteInEventHandler (o=o@entry=0x9f1c258) at kernel/qobject.cpp:4280
#50 0xb37cd720 in QObject::event (this=0x9f1c258, e=0xfeaeb38) at kernel/qobject.cpp:1175
#51 0xb3de7452 in QWidget::event (this=0x9f1c258, event=0xfeaeb38) at kernel/qwidget.cpp:8846
#52 0xb3d8d7f4 in QApplicationPrivate::notify_helper (this=0x9d62278, receiver=0x9f1c258, e=0xfeaeb38) at kernel/qapplication.cpp:4567
#53 0xb3d942d3 in QApplication::notify (this=0xbfc01cc0, receiver=receiver@entry=0x9f1c258, e=e@entry=0xfeaeb38) at kernel/qapplication.cpp:4353
#54 0xb50871f4 in KApplication::notify (this=0xbfc01cc0, receiver=0x9f1c258, event=0xfeaeb38) at ../../kdeui/kernel/kapplication.cpp:311
#55 0xb37b3e4a in QCoreApplication::notifyInternal (this=0xbfc01cc0, receiver=receiver@entry=0x9f1c258, event=event@entry=0xfeaeb38) at kernel/qcoreapplication.cpp:953
#56 0xb37b770d in sendEvent (event=0xfeaeb38, receiver=0x9f1c258) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#57 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=52, data=0x9d2c198) at kernel/qcoreapplication.cpp:1577
#58 0xb37b7c1c in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=52) at kernel/qcoreapplication.cpp:1470
#59 0xb37b8931 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1232
#60 0xb3d8ba24 in QApplication::exec () at kernel/qapplication.cpp:3828
#61 0xb76c1a98 in kdemain (argc=1, argv=0xbfc01db4) at /build/buildd/rekonq-2.4.2/src/main.cpp:242
#62 0x0804854b in main (argc=1, argv=0xbfc01db4) at /build/buildd/rekonq-2.4.2/obj-i686-linux-gnu/src/rekonq_dummy.cpp:3

Possible duplicates by query: bug 327511, bug 325404, bug 324945, bug 322179, bug 322122.

Reported using DrKonqi