Bug 305299

Application: rekonq (0.9.1)
KDE Platform Version: 4.8.4 (4.8.4)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-26-generic i686
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
I think it could be a flash plugin related issue.

The crash can be reproduced some of the time.

-- 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 0xb7727980 (LWP 32767))]

Thread 8 (Thread 0xb581eb40 (LWP 300)):
#0  0x0079f416 in __kernel_vsyscall ()
#1  0x003bf96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x002083dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x01c24263 in WTF::TCMalloc_PageHeap::scavengerThread (this=0x2350940) at wtf/FastMalloc.cpp:2495
#4  0x01c2437f in WTF::TCMalloc_PageHeap::runScavengerThread (context=0x2350940) at wtf/FastMalloc.cpp:1618
#5  0x003bbd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x001faace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 7 (Thread 0xb4efdb40 (LWP 301)):
#0  0x00208625 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#1  0x02c28410 in g_mutex_unlock (mutex=0xb45004e0) at /build/buildd/glib2.0-2.32.3/./glib/gthread-posix.c:227
#2  0x02be83a7 in g_main_context_release (context=0xb45004e0) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:2681
#3  0x02be9058 in g_main_context_iterate (dispatch=1, block=46099024, context=0xb45004e0, self=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3148
#4  g_main_context_iterate (context=0xb45004e0, block=46099024, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3083
#5  0x02be9201 in g_main_context_iteration (context=0xb45004e0, may_block=1) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3207
#6  0x0292f8e7 in QEventDispatcherGlib::processEvents (this=0xb4500468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x028fb50d in QEventLoop::processEvents (this=0xb4efd270, flags=...) at kernel/qeventloop.cpp:149
#8  0x028fb7a9 in QEventLoop::exec (this=0xb4efd270, flags=...) at kernel/qeventloop.cpp:204
#9  0x027e494c in QThread::exec (this=0x9be78d8) at thread/qthread.cpp:501
#10 0x027e4a3b in QThread::run (this=0x9be78d8) at thread/qthread.cpp:568
#11 0x027e7de0 in QThreadPrivate::start (arg=0x9be78d8) at thread/qthread_unix.cpp:298
#12 0x003bbd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#13 0x001faace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 6 (Thread 0xb44ffb40 (LWP 302)):
#0  0x0079f416 in __kernel_vsyscall ()
#1  0x003bf96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x002083dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x00552029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0x0055206f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0x003bbd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x001faace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0xb3a5fb40 (LWP 303)):
#0  0x0079f416 in __kernel_vsyscall ()
#1  0x003bf96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x002083dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x027e8350 in wait (time=4294967295, this=0x99ef600) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x99f1a70, mutex=0x99ef658, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0x0032aacc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x99f1a58, th=0x9c1d5f8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x0032d95b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x99f1588, th=0x9c1d5f8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0032a63a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x99f1a58, th=0x9c1d5f8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x0032da5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x99f1588, th=0x9c1d5f8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x0032a533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99f1a58, th=0x9c1d5f8, previous=0x9dd55b8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x0032c4e4 in ThreadWeaver::ThreadRunHelper::run (this=0xb3a5f2a4, parent=0x99f1a58, th=0x9c1d5f8) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x0032c59a in ThreadWeaver::Thread::run (this=0x9c1d5f8) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x027e7de0 in QThreadPrivate::start (arg=0x9c1d5f8) at thread/qthread_unix.cpp:298
#13 0x003bbd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0x001faace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xb2b50b40 (LWP 304)):
#0  0x03053dcd in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x02846315 in do_gettime (frac=0xb2b4ffb0, sec=0xb2b4ffa8) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x02930226 in QTimerInfoList::updateCurrentTime (this=0x9c7b374) at kernel/qeventdispatcher_unix.cpp:343
#4  0x0293057a in QTimerInfoList::timerWait (this=0x9c7b374, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#5  0x0292ee23 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xb2b500bc) at kernel/qeventdispatcher_glib.cpp:136
#6  0x0292eebd in timerSourcePrepare (source=0x9c7b340, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x02be8872 in g_main_context_prepare (context=0x9c79e30, priority=0xb2b50118) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:2836
#8  0x02be8faf in g_main_context_iterate (dispatch=1, block=1, context=0x9c79e30, self=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3126
#9  g_main_context_iterate (context=0x9c79e30, block=1, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3083
#10 0x02be9201 in g_main_context_iteration (context=0x9c79e30, may_block=1) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3207
#11 0x0292f8e7 in QEventDispatcherGlib::processEvents (this=0x9ba6400, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#12 0x028fb50d in QEventLoop::processEvents (this=0xb2b50240, flags=...) at kernel/qeventloop.cpp:149
#13 0x028fb7a9 in QEventLoop::exec (this=0xb2b50240, flags=...) at kernel/qeventloop.cpp:204
#14 0x027e494c in QThread::exec (this=0x9c78dd0) at thread/qthread.cpp:501
#15 0x028d8b5d in QInotifyFileSystemWatcherEngine::run (this=0x9c78dd0) at io/qfilesystemwatcher_inotify.cpp:248
#16 0x027e7de0 in QThreadPrivate::start (arg=0x9c78dd0) at thread/qthread_unix.cpp:298
#17 0x003bbd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#18 0x001faace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xac712b40 (LWP 320)):
#0  0x0079f416 in __kernel_vsyscall ()
#1  0x003bf96b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0x002083dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x027e8350 in wait (time=4294967295, this=0x99ef600) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x99f1a70, mutex=0x99ef658, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0x0032aacc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x99f1a58, th=0x9f4ee70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x0032d95b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x99f1588, th=0x9f4ee70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0032a63a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x99f1a58, th=0x9f4ee70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x0032da5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x99f1588, th=0x9f4ee70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x0032a533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x99f1a58, th=0x9f4ee70, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x0032c4e4 in ThreadWeaver::ThreadRunHelper::run (this=0xac7122a4, parent=0x99f1a58, th=0x9f4ee70) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x0032c59a in ThreadWeaver::Thread::run (this=0x9f4ee70) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x027e7de0 in QThreadPrivate::start (arg=0x9f4ee70) at thread/qthread_unix.cpp:298
#13 0x003bbd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#14 0x001faace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xabf11b40 (LWP 321)):
#0  0x02c283cb in g_mutex_lock (mutex=0x9f7c098) at /build/buildd/glib2.0-2.32.3/./glib/gthread-posix.c:208
#1  0x02be8b85 in g_main_context_check (context=0x9f7c098, max_priority=2147483647, fds=0x99f32b0, n_fds=1) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3025
#2  0x02be9042 in g_main_context_iterate (dispatch=1, block=46099024, context=0x9f7c098, self=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3143
#3  g_main_context_iterate (context=0x9f7c098, block=46099024, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3083
#4  0x02be9201 in g_main_context_iteration (context=0x9f7c098, may_block=1) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3207
#5  0x0292f8e7 in QEventDispatcherGlib::processEvents (this=0x9ba0f28, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x028fb50d in QEventLoop::processEvents (this=0xabf11250, flags=...) at kernel/qeventloop.cpp:149
#7  0x028fb7a9 in QEventLoop::exec (this=0xabf11250, flags=...) at kernel/qeventloop.cpp:204
#8  0x027e494c in QThread::exec (this=0xb3115d58) at thread/qthread.cpp:501
#9  0x0840b50f in KIO::NameLookUpThread::run (this=0xb3115d58) at ../../kio/kio/hostinfo.cpp:226
#10 0x027e7de0 in QThreadPrivate::start (arg=0xb3115d58) at thread/qthread_unix.cpp:298
#11 0x003bbd4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x001faace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb7727980 (LWP 32767)):
[KCrash Handler]
#7  magazine_chain_pop_head (magazine_chunks=0x98ead10) at /build/buildd/glib2.0-2.32.3/./glib/gslice.c:532
#8  thread_memory_magazine1_alloc (ix=<optimized out>, tmem=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gslice.c:835
#9  g_slice_alloc (mem_size=196) at /build/buildd/glib2.0-2.32.3/./glib/gslice.c:994
#10 0x02c037d6 in g_slice_alloc0 (mem_size=196) at /build/buildd/glib2.0-2.32.3/./glib/gslice.c:1029
#11 0x07a96688 in g_type_create_instance (type=170011464) at /build/buildd/glib2.0-2.32.3/./gobject/gtype.c:1872
#12 0x07a79508 in g_object_constructor (type=170011464, n_construct_properties=2, construct_params=0xa648328) at /build/buildd/glib2.0-2.32.3/./gobject/gobject.c:1849
#13 0x07a7acf9 in g_object_newv (object_type=170011464, n_parameters=0, parameters=0x0) at /build/buildd/glib2.0-2.32.3/./gobject/gobject.c:1713
#14 0x07a7b7c8 in g_object_new (object_type=170011464, first_property_name=0x0) at /build/buildd/glib2.0-2.32.3/./gobject/gobject.c:1542
#15 0xa966c32b in IA__gtk_plug_new_for_display (display=0xa1e60b0, socket_id=79692318) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkplug.c:558
#16 0xa966c384 in IA__gtk_plug_new (socket_id=79692318) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkplug.c:538
#17 0xa8272968 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so
#18 0xa8268bbb in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so
#19 0xa826ef44 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so
#20 0x018ec820 in WebCore::PluginView::setNPWindowIfNeeded (this=0xb00caa84) at plugins/qt/PluginViewQt.cpp:701
#21 0x018ed96d in WebCore::PluginView::platformStart (this=0xb00ca900) at plugins/qt/PluginViewQt.cpp:1008
#22 0x0179a99b in WebCore::PluginView::start (this=0xb00ca900) at plugins/PluginView.cpp:268
#23 0x0179ace9 in WebCore::PluginView::init (this=0xb00ca900) at plugins/PluginView.cpp:201
#24 0x018ec69a in WebCore::PluginView::setParent (this=0xb00ca900, parent=0xb4f2b800) at plugins/qt/PluginViewQt.cpp:616
#25 0x0177ff00 in WebCore::ScrollView::addChild (this=0xb4f2b800, prpChild=...) at platform/ScrollView.cpp:74
#26 0x01895bfa in WebCore::moveWidgetToParentSoon (child=0xb00ca900, parent=0xb4f2b800) at rendering/RenderWidget.cpp:90
#27 0x01896685 in WebCore::RenderWidget::setWidget (this=0xab08c584, widget=...) at rendering/RenderWidget.cpp:224
#28 0x0185898f in WebCore::RenderPart::setWidget (this=0xab08c584, widget=...) at rendering/RenderPart.cpp:51
#29 0x016b94d5 in WebCore::SubframeLoader::loadPlugin (this=0xb4f32964, pluginElement=0xa6072d8, url=..., mimeType=..., paramNames=..., paramValues=..., useFallback=false) at loader/SubframeLoader.cpp:370
#30 0x016b9f60 in WebCore::SubframeLoader::requestObject (this=0xb4f32964, ownerElement=0xa6072d8, url=..., frameName=..., mimeType=..., paramNames=..., paramValues=...) at loader/SubframeLoader.cpp:142
#31 0x015776b4 in WebCore::HTMLEmbedElement::updateWidget (this=0xa6072d8, pluginCreationOption=WebCore::CreateAnyWidgetType) at html/HTMLEmbedElement.cpp:183
#32 0x01702f6b in WebCore::FrameView::updateWidget (this=0xb4f2b800, object=0xab08c584) at page/FrameView.cpp:1938
#33 0x017063ee in WebCore::FrameView::updateWidgets (this=0xb4f2b800) at page/FrameView.cpp:1970
#34 0x017065d4 in WebCore::FrameView::performPostLayoutTasks (this=0xb4f2b800) at page/FrameView.cpp:2014
#35 0x01707377 in WebCore::FrameView::layout (this=0xb4f2b800, allowSubtree=16) at page/FrameView.cpp:1022
#36 0x016ff1b5 in WebCore::Timer<WebCore::FrameView>::fired (this=0xb4f2b8f8) at platform/Timer.h:100
#37 0x017882e2 in WebCore::ThreadTimers::sharedTimerFiredInternal (this=0xb4f43120) at platform/ThreadTimers.cpp:112
#38 0x0178835d in WebCore::ThreadTimers::sharedTimerFired () at platform/ThreadTimers.cpp:90
#39 0x018e69ee in timerEvent (this=0x9bf18b0, ev=<optimized out>) at platform/qt/SharedTimerQt.cpp:120
#40 WebCore::SharedTimerQt::timerEvent (this=0x9bf18b0, ev=0xbfd63a5c) at platform/qt/SharedTimerQt.cpp:114
#41 0x02917ac4 in QObject::event (this=0x9bf18b0, e=0xbfd63a5c) at kernel/qobject.cpp:1157
#42 0x034e9ed4 in notify_helper (e=0xbfd63a5c, receiver=0x9bf18b0, this=0x98e6ae8) at kernel/qapplication.cpp:4559
#43 QApplicationPrivate::notify_helper (this=0x98e6ae8, receiver=0x9bf18b0, e=0xbfd63a5c) at kernel/qapplication.cpp:4531
#44 0x034ef30d in QApplication::notify (this=0xbfd63a5c, receiver=0x9bf18b0, e=0xbfd63a5c) at kernel/qapplication.cpp:4288
#45 0x05fd8401 in KApplication::notify (this=0xbfd63d58, receiver=0x9bf18b0, event=0xbfd63a5c) at ../../kdeui/kernel/kapplication.cpp:311
#46 0x028fc97e in QCoreApplication::notifyInternal (this=0xbfd63d58, receiver=0x9bf18b0, event=0xbfd63a5c) at kernel/qcoreapplication.cpp:876
#47 0x02931990 in sendEvent (event=0xbfd63a5c, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#48 QTimerInfoList::activateTimers (this=0x98e9334) at kernel/qeventdispatcher_unix.cpp:611
#49 0x0292f0f8 in timerSourceDispatch (source=0x98e9300) at kernel/qeventdispatcher_glib.cpp:186
#50 timerSourceDispatch (source=0x98e9300) at kernel/qeventdispatcher_glib.cpp:180
#51 0x02be8d86 in g_main_dispatch (context=0x98e8968) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:2539
#52 g_main_context_dispatch (context=0x98e8968) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3075
#53 0x02be9125 in g_main_context_iterate (dispatch=1, block=46099024, context=0x98e8968, self=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3146
#54 g_main_context_iterate (context=0x98e8968, block=46099024, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3083
#55 0x02be9201 in g_main_context_iteration (context=0x98e8968, may_block=1) at /build/buildd/glib2.0-2.32.3/./glib/gmain.c:3207
#56 0x0292f887 in QEventDispatcherGlib::processEvents (this=0x98c0ea0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#57 0x035a2aaa in QGuiEventDispatcherGlib::processEvents (this=0x98c0ea0, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#58 0x028fb50d in QEventLoop::processEvents (this=0xbfd63cc4, flags=...) at kernel/qeventloop.cpp:149
#59 0x028fb7a9 in QEventLoop::exec (this=0xbfd63cc4, flags=...) at kernel/qeventloop.cpp:204
#60 0x02900eba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#61 0x034e7a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#62 0x009d2e7f in kdemain (argc=1, argv=0xbfd64004) at /build/buildd/rekonq-0.9.1/src/main.cpp:180
#63 0x080484fb in main (argc=1, argv=0xbfd64004) at /build/buildd/rekonq-0.9.1/obj-i686-linux-gnu/src/rekonq_dummy.cpp:3

Possible duplicates by query: bug 304623, bug 296095, bug 287429, bug 284580, bug 280530.

Reported using DrKonqi