Bug 322358

Application: rekonq (2.2.1)
KDE Platform Version: 4.10.4
Qt Version: 4.8.4
Operating System: Linux 3.8.0-25-generic i686
Distribution: Ubuntu 13.04

-- Information about the crash:
Just scrolling down on a webpage, maybe it was www.gizmodo.com (not sure about that)

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 0xb23be980 (LWP 2972))]

Thread 5 (Thread 0xafbf8b40 (LWP 2973)):
#0  0xb77b2424 in __kernel_vsyscall ()
#1  0xb2d5a84b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb75a5d7c in __pthread_cond_wait (cond=0xb7499d70 <WTF::pageheap_memory+20720>, mutex=0xb7499d58 <WTF::pageheap_memory+20696>) at forward.c:149
#3  0xb6bd8ae5 in WTF::TCMalloc_PageHeap::scavengerThread() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb6bd8b1f in WTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb2d56d78 in start_thread (arg=0xafbf8b40) at pthread_create.c:311
#6  0xb75983de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 4 (Thread 0xaf0ffb40 (LWP 2974)):
#0  0xb77b2424 in __kernel_vsyscall ()
#1  0xb2d5a84b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb75a5d7c in __pthread_cond_wait (cond=0xaf3487dc, mutex=0xaf3487c4) at forward.c:149
#3  0xb6c09f63 in WTF::ThreadCondition::wait(WTF::Mutex&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb68e8b1b in JSC::BlockAllocator::blockFreeingThreadMain() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb6bee982 in WTF::threadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#6  0xb6c09b12 in WTF::wtfThreadEntryPoint(void*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#7  0xb2d56d78 in start_thread (arg=0xaf0ffb40) at pthread_create.c:311
#8  0xb75983de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 3 (Thread 0xade9db40 (LWP 2975)):
#0  0xb77b2424 in __kernel_vsyscall ()
#1  0xb75ab8e2 in clock_gettime (clock_id=1, tp=0xade9cfe8) at ../sysdeps/unix/clock_gettime.c:115
#2  0xb374e0d5 in do_gettime (frac=0xade9cfe0, sec=0xade9cfd8) at tools/qelapsedtimer_unix.cpp:123
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0xb383580e in QTimerInfoList::updateCurrentTime (this=this@entry=0xad502074) at kernel/qeventdispatcher_unix.cpp:354
#5  0xb3834695 in timerSourceCheckHelper (src=0xad502040) at kernel/qeventdispatcher_glib.cpp:150
#6  timerSourceCheckHelper (src=0xad502040) at kernel/qeventdispatcher_glib.cpp:144
#7  0xb2ff4117 in g_main_context_check (context=context@entry=0xad5004e0, max_priority=2147483647, fds=fds@entry=0xad502160, n_fds=n_fds@entry=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3545
#8  0xb2ff4662 in g_main_context_iterate (context=context@entry=0xad5004e0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3698
#9  0xb2ff4831 in g_main_context_iteration (context=0xad5004e0, may_block=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3762
#10 0xb3834c3f in QEventDispatcherGlib::processEvents (this=0xad500468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0xb38013ec in QEventLoop::processEvents (this=this@entry=0xade9d258, flags=...) at kernel/qeventloop.cpp:149
#12 0xb38016e1 in QEventLoop::exec (this=this@entry=0xade9d258, flags=...) at kernel/qeventloop.cpp:204
#13 0xb36ecfec in QThread::exec (this=this@entry=0x9fa4210) at thread/qthread.cpp:542
#14 0xb36ed14b in QThread::run (this=0x9fa4210) at thread/qthread.cpp:609
#15 0xb36efb18 in QThreadPrivate::start (arg=0x9fa4210) at thread/qthread_unix.cpp:338
#16 0xb2d56d78 in start_thread (arg=0xade9db40) at pthread_create.c:311
#17 0xb75983de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 2 (Thread 0xad1e6b40 (LWP 2977)):
#0  0xb2d59c40 in __pthread_mutex_unlock_usercnt (mutex=0xac800558, decr=1) at pthread_mutex_unlock.c:80
#1  0xb75a5fc4 in pthread_mutex_unlock (mutex=0xac800558) at forward.c:194
#2  0xb3037d70 in g_mutex_unlock (mutex=mutex@entry=0xac8004e0) at /build/buildd/glib2.0-2.36.0/./glib/gthread-posix.c:229
#3  0xb2ff3d10 in g_main_context_prepare (context=context@entry=0xac8004e0, priority=priority@entry=0xad1e60f8) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3326
#4  0xb2ff45cf in g_main_context_iterate (context=context@entry=0xac8004e0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3681
#5  0xb2ff4831 in g_main_context_iteration (context=0xac8004e0, may_block=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3762
#6  0xb3834c3f in QEventDispatcherGlib::processEvents (this=0xac800468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb38013ec in QEventLoop::processEvents (this=this@entry=0xad1e6228, flags=...) at kernel/qeventloop.cpp:149
#8  0xb38016e1 in QEventLoop::exec (this=this@entry=0xad1e6228, flags=...) at kernel/qeventloop.cpp:204
#9  0xb36ecfec in QThread::exec (this=this@entry=0xa54aef8) at thread/qthread.cpp:542
#10 0xb37e0f2d in QInotifyFileSystemWatcherEngine::run (this=0xa54aef8) at io/qfilesystemwatcher_inotify.cpp:256
#11 0xb36efb18 in QThreadPrivate::start (arg=0xa54aef8) at thread/qthread_unix.cpp:338
#12 0xb2d56d78 in start_thread (arg=0xad1e6b40) at pthread_create.c:311
#13 0xb75983de in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:131

Thread 1 (Thread 0xb23be980 (LWP 2972)):
[KCrash Handler]
#7  0xa8d597c2 in ?? ()
#8  0xb69d3261 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  0xb6ad4f5e 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 0xb556b563 in WebCore::JSEventListener::handleEvent(WebCore::ScriptExecutionContext*, WebCore::Event*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#11 0xb57a70b2 in WebCore::EventTarget::fireEventListeners(WebCore::Event*, WebCore::EventTargetData*, WTF::Vector<WebCore::RegisteredEventListener, 1u>&) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#12 0xb57a7360 in WebCore::EventTarget::fireEventListeners(WebCore::Event*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#13 0xb58045de in WebCore::WindowEventContext::handleLocalEvents(WebCore::Event*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#14 0xb579fdea in WebCore::EventDispatcher::dispatchEvent(WTF::PassRefPtr<WebCore::Event>) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#15 0xb579ce47 in WebCore::EventDispatchMediator::dispatchEvent(WebCore::EventDispatcher*) const () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#16 0xb579e1d7 in WebCore::EventDispatcher::dispatchEvent(WebCore::Node*, WTF::PassRefPtr<WebCore::EventDispatchMediator>) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#17 0xb57c1e37 in WebCore::Node::dispatchEvent(WTF::PassRefPtr<WebCore::Event>) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#18 0xb57761ee in WebCore::DocumentEventQueue::dispatchEvent(WTF::PassRefPtr<WebCore::Event>) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#19 0xb57775cd in WebCore::DocumentEventQueue::pendingEventTimerFired() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#20 0xb5ceb803 in WebCore::ThreadTimers::sharedTimerFiredInternal() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#21 0xb5ceb885 in WebCore::ThreadTimers::sharedTimerFired() () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#22 0xb5f6b35e in WebCore::SharedTimerQt::timerEvent(QTimerEvent*) () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#23 0xb381e2d4 in QObject::event (this=0x9fa93c0, e=0xbf8a1e80) at kernel/qobject.cpp:1156
#24 0xb3d76c7c in QApplicationPrivate::notify_helper (this=0x9e5be60, receiver=0x9fa93c0, e=0xbf8a1e80) at kernel/qapplication.cpp:4567
#25 0xb3d79b94 in QApplication::notify (this=0xbf8a1e80, receiver=0x9fa93c0, e=0xbf8a1e80) at kernel/qapplication.cpp:3949
#26 0xb5081d01 in KApplication::notify (this=0xbf8a21b8, receiver=0x9fa93c0, event=0xbf8a1e80) at ../../kdeui/kernel/kapplication.cpp:311
#27 0xb380290e in QCoreApplication::notifyInternal (this=0xbf8a21b8, receiver=0x9fa93c0, event=event@entry=0xbf8a1e80) at kernel/qcoreapplication.cpp:946
#28 0xb38378c0 in sendEvent (event=0xbf8a1e80, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#29 QTimerInfoList::activateTimers (this=this@entry=0x9e5ba64) at kernel/qeventdispatcher_unix.cpp:622
#30 0xb38345a8 in timerSourceDispatch (source=0x9e5ba30) at kernel/qeventdispatcher_glib.cpp:186
#31 timerSourceDispatch (source=source@entry=0x9e5ba30) at kernel/qeventdispatcher_glib.cpp:180
#32 0xb2ff43b3 in g_main_dispatch (context=0x9e5c0d8, context@entry=0x9e2c6b8) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3054
#33 g_main_context_dispatch (context=context@entry=0x9e5c0d8) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3630
#34 0xb2ff4750 in g_main_context_iterate (context=context@entry=0x9e5c0d8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3701
#35 0xb2ff4831 in g_main_context_iteration (context=0x9e5c0d8, may_block=1) at /build/buildd/glib2.0-2.36.0/./glib/gmain.c:3762
#36 0xb3834c21 in QEventDispatcherGlib::processEvents (this=this@entry=0x9e26ef0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#37 0xb3e2da5a in QGuiEventDispatcherGlib::processEvents (this=0x9e26ef0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#38 0xb38013ec in QEventLoop::processEvents (this=this@entry=0xbf8a20e8, flags=...) at kernel/qeventloop.cpp:149
#39 0xb38016e1 in QEventLoop::exec (this=this@entry=0xbf8a20e8, flags=...) at kernel/qeventloop.cpp:204
#40 0xb38073fa in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#41 0xb3d74fc4 in QApplication::exec () at kernel/qapplication.cpp:3828
#42 0xb7770725 in kdemain (argc=1, argv=0xbf8a22a4) at /build/buildd/rekonq-2.2.1/src/main.cpp:240
#43 0x0804854b in main (argc=1, argv=0xbf8a22a4) at /build/buildd/rekonq-2.2.1/obj-i686-linux-gnu/src/rekonq_dummy.cpp:3

This bug may be a duplicate of or related to bug 322354.

Possible duplicates by query: bug 322354, bug 322251, bug 322242, bug 322059, bug 320874.

Reported using DrKonqi