Application: rekonq (2.3.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.4
Operating System: Linux 3.11.0-15-generic i686
Distribution: Ubuntu 13.10

-- Information about the crash:
- What I was doing when the application crashed: I click on "submit" or I push "return" in my keyboard for making a searching rquest on google.fr  and Rekonq crash sistematicaly

The crash can be reproduced every time.

-- Backtrace:
Application: rekonq (rekonq), signal: Illegal instruction
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb2408740 (LWP 1795))]

Thread 6 (Thread 0xafd58b40 (LWP 1801)):
#0  0xb76f4424 in __kernel_vsyscall ()
#1  0xb2d6d84b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb74db9bc in __pthread_cond_wait (cond=0xb73d0d90 <WTF::pageheap_memory+20720>, mutex=0xb73d0d78 <WTF::pageheap_memory+20696>) at forward.c:149
#3  0xb6b56a7c in WTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb6b56acf in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb2d69d78 in start_thread (arg=0xafd58b40) at pthread_create.c:311
#6  0xb74ce01e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 5 (Thread 0xaf429b40 (LWP 1818)):
#0  0xb76f4424 in __kernel_vsyscall ()
#1  0xb2d6d84b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb74db9bc in __pthread_cond_wait (cond=0xaf4a87dc, mutex=0xaf4a87c4) at forward.c:149
#3  0xb6b85ae3 in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb6861744 in JSC::BlockAllocator::blockFreeingThreadMain() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb6b6c866 in WTF::threadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#6  0xb6b85459 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#7  0xb2d69d78 in start_thread (arg=0xaf429b40) at pthread_create.c:311
#8  0xb74ce01e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 4 (Thread 0xae035b40 (LWP 1825)):
#0  0xb76f4424 in __kernel_vsyscall ()
#1  0xb2d6d84b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb74db9bc in __pthread_cond_wait (cond=0xaf4b0930, mutex=0xaf4b0918) at forward.c:149
#3  0xb6b85ae3 in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb5f03274 in WebCore::IconDatabase::syncThreadMainLoop() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb5f050f4 in WebCore::IconDatabase::iconDatabaseSyncThread() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#6  0xb6b6c866 in WTF::threadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#7  0xb6b85459 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#8  0xb2d69d78 in start_thread (arg=0xae035b40) at pthread_create.c:311
#9  0xb74ce01e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 3 (Thread 0xad6ffb40 (LWP 1826)):
#0  0xb76f4424 in __kernel_vsyscall ()
#1  0xb74bea0b in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb3018a4b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb3009b68 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb3009ca8 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb37d68df in QEventDispatcherGlib::processEvents (this=0x8c2bf60, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb37a59f3 in QEventLoop::processEvents (this=this@entry=0xad6ff258, flags=...) at kernel/qeventloop.cpp:149
#7  0xb37a5d19 in QEventLoop::exec (this=this@entry=0xad6ff258, flags=...) at kernel/qeventloop.cpp:204
#8  0xb3694e3d in QThread::exec (this=this@entry=0x8a587e0) at thread/qthread.cpp:542
#9  0xb3694f8b in QThread::run (this=0x8a587e0) at thread/qthread.cpp:609
#10 0xb369772f in QThreadPrivate::start (arg=0x8a587e0) at thread/qthread_unix.cpp:338
#11 0xb2d69d78 in start_thread (arg=0xad6ffb40) at pthread_create.c:311
#12 0xb74ce01e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 2 (Thread 0xaca9cb40 (LWP 1833)):
#0  0xb304cbeb in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb300912e in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb3009a5f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb3009ca8 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb37d68df in QEventDispatcherGlib::processEvents (this=0xad7133a0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0xb37a59f3 in QEventLoop::processEvents (this=this@entry=0xaca9c228, flags=...) at kernel/qeventloop.cpp:149
#6  0xb37a5d19 in QEventLoop::exec (this=this@entry=0xaca9c228, flags=...) at kernel/qeventloop.cpp:204
#7  0xb3694e3d in QThread::exec (this=this@entry=0x89459a8) at thread/qthread.cpp:542
#8  0xb3785e14 in QInotifyFileSystemWatcherEngine::run (this=0x89459a8) at io/qfilesystemwatcher_inotify.cpp:265
#9  0xb369772f in QThreadPrivate::start (arg=0x89459a8) at thread/qthread_unix.cpp:338
#10 0xb2d69d78 in start_thread (arg=0xaca9cb40) at pthread_create.c:311
#11 0xb74ce01e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 1 (Thread 0xb2408740 (LWP 1795)):
[KCrash Handler]
#7  0xacaf047d in ?? ()
#8  0xb6943ff4 in JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#9  0xb6a52c9c in JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#10 0xb5542596 in WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#11 0xb575f1ee in WebCore::EventTarget::fireEventListeners(WebCore::Event*, WebCore::EventTargetData*, WTF::Vector<WebCore::RegisteredEventListener, 1u>&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#12 0xb575f464 in WebCore::EventTarget::fireEventListeners(WebCore::Event*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#13 0xb577361f in WebCore::Node::handleLocalEvents(WebCore::Event*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#14 0xb5754919 in WebCore::EventContext::handleLocalEvents(WebCore::Event*) const () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#15 0xb575734d in WebCore::EventDispatcher::dispatchEvent(WTF::PassRefPtr<WebCore::Event>) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#16 0xb5769ac9 in WebCore::MouseEventDispatchMediator::dispatchEvent(WebCore::EventDispatcher*) const () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#17 0xb5756387 in WebCore::EventDispatcher::dispatchEvent(WebCore::Node*, WTF::PassRefPtr<WebCore::EventDispatchMediator>) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#18 0xb5778fa8 in WebCore::Node::dispatchMouseEvent(WebCore::PlatformMouseEvent const&, WTF::AtomicString const&, int, WebCore::Node*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#19 0xb5b58dcf in WebCore::EventHandler::dispatchMouseEvent(WTF::AtomicString const&, WebCore::Node*, bool, int, WebCore::PlatformMouseEvent const&, bool) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#20 0xb5b5ddaa in WebCore::EventHandler::handleMouseReleaseEvent(WebCore::PlatformMouseEvent const&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#21 0xb547d9d2 in void QWebPagePrivate::mouseReleaseEvent<QMouseEvent>(QMouseEvent*) () at /build/buildd/qtwebkit-source-2.3.2/Source/WTF/wtf/Vector.h:529
#22 0xb547e15c in QWebPage::event(QEvent*) () at /build/buildd/qtwebkit-source-2.3.2/Source/WTF/wtf/Vector.h:529
#23 0xb5480c3e in QWebView::mouseReleaseEvent(QMouseEvent*) () at /build/buildd/qtwebkit-source-2.3.2/Source/WTF/wtf/Vector.h:529
#24 0xb7691982 in WebView::mouseReleaseEvent (this=0x8a58800, event=0xbf807404) at /build/buildd/rekonq-2.3.2/src/webtab/webview.cpp:1450
#25 0xb3dd91aa in QWidget::event (this=0x8a58800, event=0xbf807404) at kernel/qwidget.cpp:8375
#26 0xb5482158 in QWebView::event(QEvent*) () at /build/buildd/qtwebkit-source-2.3.2/Source/WTF/wtf/Vector.h:529
#27 0xb3d7f744 in QApplicationPrivate::notify_helper (this=0x88e3f98, receiver=receiver@entry=0x8a58800, e=0xbf807404) at kernel/qapplication.cpp:4567
#28 0xb3d87df8 in QApplication::notify (this=0xbf8079b0, receiver=receiver@entry=0x8a58800, e=e@entry=0xbf807404) at kernel/qapplication.cpp:4110
#29 0xb5072ff4 in KApplication::notify (this=0xbf8079b0, receiver=0x8a58800, event=0xbf807404) at ../../kdeui/kernel/kapplication.cpp:311
#30 0xb37a6eda in QCoreApplication::notifyInternal (this=0xbf8079b0, receiver=receiver@entry=0x8a58800, event=event@entry=0xbf807404) at kernel/qcoreapplication.cpp:946
#31 0xb3d85aa3 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#32 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x8a58800, event=0xbf807404, alienWidget=0x8a58800, nativeWidget=0x8a41d58, buttonDown=buttonDown@entry=0xb46f4cc4 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#33 0xb3e094e8 in QETWidget::translateMouseEvent (this=0x8a41d58, event=event@entry=0xbf80762c) at kernel/qapplication_x11.cpp:4631
#34 0xb3e08c05 in QApplication::x11ProcessEvent (this=0xbf8079b0, event=event@entry=0xbf80762c) at kernel/qapplication_x11.cpp:3624
#35 0xb3e34274 in x11EventSourceDispatch (s=0x88e8300, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#36 0xb300983e in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#37 0xb3009be8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#38 0xb3009ca8 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#39 0xb37d68df in QEventDispatcherGlib::processEvents (this=this@entry=0x88aef20, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#40 0xb3e3432e in QGuiEventDispatcherGlib::processEvents (this=0x88aef20, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#41 0xb37a59f3 in QEventLoop::processEvents (this=this@entry=0xbf8078e8, flags=...) at kernel/qeventloop.cpp:149
#42 0xb37a5d19 in QEventLoop::exec (this=this@entry=0xbf8078e8, flags=...) at kernel/qeventloop.cpp:204
#43 0xb37ab89e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#44 0xb3d7d974 in QApplication::exec () at kernel/qapplication.cpp:3828
#45 0xb76b4cd8 in kdemain (argc=1, argv=0xbf807aa4) at /build/buildd/rekonq-2.3.2/src/main.cpp:242
#46 0x0804854b in main (argc=1, argv=0xbf807aa4) at /build/buildd/rekonq-2.3.2/obj-i686-linux-gnu/src/rekonq_dummy.cpp:3

Possible duplicates by query: bug 327678, bug 327528, bug 327396, bug 327175, bug 327025.

Reported using DrKonqi