Application: rekonq (2.3.2)
KDE Platform Version: 4.11.1
Qt Version: 4.8.4
Operating System: Linux 3.11.0-4-generic i686
Distribution: Ubuntu Saucy Salamander (development branch)

-- Information about the crash:
I opened the site to the map. At this time, there was an application error. Sometimes this happens when the page loads on g+.

-- 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 0xb247c740 (LWP 8427))]

Thread 7 (Thread 0xafcf0b40 (LWP 8428)):
#0  0xb7755424 in __kernel_vsyscall ()
#1  0xb2de784b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb7537dfc in __pthread_cond_wait (cond=0xb742cd30 <WTF::pageheap_memory+20720>, mutex=0xb742cd18 <WTF::pageheap_memory+20696>) at forward.c:149
#3  0xb6bb6bbc in WTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb6bb6c0f in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb2de3d78 in start_thread (arg=0xafcf0b40) at pthread_create.c:311
#6  0xb752a45e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 6 (Thread 0xaf3cfb40 (LWP 8429)):
#0  0xb7755424 in __kernel_vsyscall ()
#1  0xb2de784b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb7537dfc in __pthread_cond_wait (cond=0xaf4407dc, mutex=0xaf4407c4) at forward.c:149
#3  0xb6be5be3 in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb68daa84 in JSC::BlockAllocator::blockFreeingThreadMain() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb6bcc9a6 in WTF::threadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#6  0xb6be5559 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#7  0xb2de3d78 in start_thread (arg=0xaf3cfb40) at pthread_create.c:311
#8  0xb752a45e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 5 (Thread 0xae008b40 (LWP 8431)):
#0  0xb7755424 in __kernel_vsyscall ()
#1  0xb2de784b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb7537dfc in __pthread_cond_wait (cond=0xaf448930, mutex=0xaf448918) at forward.c:149
#3  0xb6be5be3 in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb5f7e264 in WebCore::IconDatabase::syncThreadMainLoop() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb5f800e4 in WebCore::IconDatabase::iconDatabaseSyncThread() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#6  0xb6bcc9a6 in WTF::threadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#7  0xb6be5559 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#8  0xb2de3d78 in start_thread (arg=0xae008b40) at pthread_create.c:311
#9  0xb752a45e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 4 (Thread 0xad5e0b40 (LWP 8432)):
#0  0xb2de6c09 in __pthread_mutex_unlock_usercnt (mutex=0xacc00558, decr=1) at pthread_mutex_unlock.c:36
#1  0xb7538044 in pthread_mutex_unlock (mutex=0xacc00558) at forward.c:194
#2  0xb30c7d40 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb3084308 in g_main_context_query () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb30849b6 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb3084b98 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb38538df in QEventDispatcherGlib::processEvents (this=0xacc00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb38229f3 in QEventLoop::processEvents (this=this@entry=0xad5e0258, flags=...) at kernel/qeventloop.cpp:149
#8  0xb3822d19 in QEventLoop::exec (this=this@entry=0xad5e0258, flags=...) at kernel/qeventloop.cpp:204
#9  0xb3711e3d in QThread::exec (this=this@entry=0x9387e40) at thread/qthread.cpp:542
#10 0xb3711f8b in QThread::run (this=0x9387e40) at thread/qthread.cpp:609
#11 0xb371472f in QThreadPrivate::start (arg=0x9387e40) at thread/qthread_unix.cpp:338
#12 0xb2de3d78 in start_thread (arg=0xad5e0b40) at pthread_create.c:311
#13 0xb752a45e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 3 (Thread 0xac927b40 (LWP 8434)):
#0  0xb2de6c34 in __pthread_mutex_unlock_usercnt (mutex=0xac000558, decr=1) at pthread_mutex_unlock.c:52
#1  0xb7538044 in pthread_mutex_unlock (mutex=0xac000558) at forward.c:194
#2  0xb30c7d40 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb308493f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb3084b98 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb38538df in QEventDispatcherGlib::processEvents (this=0xac000468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb38229f3 in QEventLoop::processEvents (this=this@entry=0xac927228, flags=...) at kernel/qeventloop.cpp:149
#7  0xb3822d19 in QEventLoop::exec (this=this@entry=0xac927228, flags=...) at kernel/qeventloop.cpp:204
#8  0xb3711e3d in QThread::exec (this=this@entry=0x9588e18) at thread/qthread.cpp:542
#9  0xb3802e14 in QInotifyFileSystemWatcherEngine::run (this=0x9588e18) at io/qfilesystemwatcher_inotify.cpp:265
#10 0xb371472f in QThreadPrivate::start (arg=0x9588e18) at thread/qthread_unix.cpp:338
#11 0xb2de3d78 in start_thread (arg=0xac927b40) at pthread_create.c:311
#12 0xb752a45e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 2 (Thread 0x9f135b40 (LWP 8475)):
#0  0xb7755424 in __kernel_vsyscall ()
#1  0xb751ae4b in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb309398b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb3084a58 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb3084b98 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb3084c1e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb30aad9a in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0xb2de3d78 in start_thread (arg=0x9f135b40) at pthread_create.c:311
#8  0xb752a45e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 1 (Thread 0xb247c740 (LWP 8427)):
[KCrash Handler]
#7  0xb68fdca2 in JSC::DFG::AssemblyHelpers::decodedCodeMapFor(JSC::CodeBlock*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#8  0xb6948217 in JSC::DFG::OSRExitCompiler::compileExit(JSC::DFG::OSRExit const&, JSC::Operands<JSC::ValueRecovery, JSC::OperandValueTraits<JSC::ValueRecovery> > const&, JSC::DFG::SpeculationRecovery*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#9  0xb694396a in compileOSRExit () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#10 0xac992d26 in ?? ()
#11 0xb69bb1c4 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
#12 0xb6ab446c 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
#13 0xb55bea96 in WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#14 0xb57da3be in WebCore::EventTarget::fireEventListeners(WebCore::Event*, WebCore::EventTargetData*, WTF::Vector<WebCore::RegisteredEventListener, 1u>&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#15 0xb57da634 in WebCore::EventTarget::fireEventListeners(WebCore::Event*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#16 0xb57ee7ff in WebCore::Node::handleLocalEvents(WebCore::Event*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#17 0xb57cfae9 in WebCore::EventContext::handleLocalEvents(WebCore::Event*) const () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#18 0xb57d25a1 in WebCore::EventDispatcher::dispatchEvent(WTF::PassRefPtr<WebCore::Event>) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#19 0xb57e4c99 in WebCore::MouseEventDispatchMediator::dispatchEvent(WebCore::EventDispatcher*) const () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#20 0xb57d1557 in WebCore::EventDispatcher::dispatchEvent(WebCore::Node*, WTF::PassRefPtr<WebCore::EventDispatchMediator>) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#21 0xb57f4198 in WebCore::Node::dispatchMouseEvent(WebCore::PlatformMouseEvent const&, WTF::AtomicString const&, int, WebCore::Node*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#22 0xb5bd439f in WebCore::EventHandler::dispatchMouseEvent(WTF::AtomicString const&, WebCore::Node*, bool, int, WebCore::PlatformMouseEvent const&, bool) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#23 0xb5bd56e4 in WebCore::EventHandler::handleMouseMoveEvent(WebCore::PlatformMouseEvent const&, WebCore::HitTestResult*, bool) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#24 0xb5bd8b5e in WebCore::EventHandler::mouseMoved(WebCore::PlatformMouseEvent const&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#25 0xb54ef92d in void QWebPagePrivate::mouseMoveEvent<QMouseEvent>(QMouseEvent*) () at /build/buildd/qtwebkit-source-2.3.1/Source/WTF/wtf/Vector.h:529
#26 0xb54fa35c in QWebPage::event(QEvent*) () at /build/buildd/qtwebkit-source-2.3.1/Source/WTF/wtf/Vector.h:529
#27 0xb54fcd4e in QWebView::mouseMoveEvent(QMouseEvent*) () at /build/buildd/qtwebkit-source-2.3.1/Source/WTF/wtf/Vector.h:529
#28 0xb76f0fd8 in WebView::mouseMoveEvent (this=0x9c7f478, event=0xbff0f2d4) at /build/buildd/rekonq-2.3.2/src/webtab/webview.cpp:697
#29 0xb3e572ec in QWidget::event (this=0x9c7f478, event=0xbff0f2d4) at kernel/qwidget.cpp:8360
#30 0xb54fe358 in QWebView::event(QEvent*) () at /build/buildd/qtwebkit-source-2.3.1/Source/WTF/wtf/Vector.h:529
#31 0xb3dfd744 in QApplicationPrivate::notify_helper (this=0x923edf8, receiver=receiver@entry=0x9c7f478, e=0xbff0f2d4) at kernel/qapplication.cpp:4567
#32 0xb3e05df8 in QApplication::notify (this=0xbff0f880, receiver=receiver@entry=0x9c7f478, e=e@entry=0xbff0f2d4) at kernel/qapplication.cpp:4110
#33 0xb50efec4 in KApplication::notify (this=0xbff0f880, receiver=0x9c7f478, event=0xbff0f2d4) at ../../kdeui/kernel/kapplication.cpp:311
#34 0xb3823eda in QCoreApplication::notifyInternal (this=0xbff0f880, receiver=receiver@entry=0x9c7f478, event=event@entry=0xbff0f2d4) at kernel/qcoreapplication.cpp:946
#35 0xb3e03aa3 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#36 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x9c7f478, event=0xbff0f2d4, alienWidget=0x9c7f478, nativeWidget=0x937fc68, buttonDown=buttonDown@entry=0xb4772cc4 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#37 0xb3e874e8 in QETWidget::translateMouseEvent (this=0x937fc68, event=event@entry=0xbff0f4fc) at kernel/qapplication_x11.cpp:4631
#38 0xb3e86c05 in QApplication::x11ProcessEvent (this=0xbff0f880, event=event@entry=0xbff0f4fc) at kernel/qapplication_x11.cpp:3624
#39 0xb3eb2274 in x11EventSourceDispatch (s=0x923ef38, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#40 0xb308472e in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#41 0xb3084ad8 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#42 0xb3084b98 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#43 0xb38538bf in QEventDispatcherGlib::processEvents (this=this@entry=0x9209f20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#44 0xb3eb232e in QGuiEventDispatcherGlib::processEvents (this=0x9209f20, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#45 0xb38229f3 in QEventLoop::processEvents (this=this@entry=0xbff0f7b8, flags=...) at kernel/qeventloop.cpp:149
#46 0xb3822d19 in QEventLoop::exec (this=this@entry=0xbff0f7b8, flags=...) at kernel/qeventloop.cpp:204
#47 0xb382889e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#48 0xb3dfb974 in QApplication::exec () at kernel/qapplication.cpp:3828
#49 0xb7715cd8 in kdemain (argc=1, argv=0xbff0f974) at /build/buildd/rekonq-2.3.2/src/main.cpp:242
#50 0x0804854b in main (argc=1, argv=0xbff0f974) at /build/buildd/rekonq-2.3.2/obj-i686-linux-gnu/src/rekonq_dummy.cpp:3

The reporter indicates this bug may be a duplicate of or related to bug 324246.

Possible duplicates by query: bug 324246, bug 322825.

Reported using DrKonqi