Application: rekonq (0.9.1)
KDE Platform Version: 4.8.3 (4.8.3)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-24-generic x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I was closing few tabs with open web pages one by one, when I closed last one rekonq quit with crash message

The crash can be reproduced some of the time.

-- Backtrace:
Application: rekonq (rekonq), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f239e5de780 (LWP 18325))]

Thread 10 (Thread 0x7f2388a38700 (LWP 18326)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f239ce62dec in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7f239d82bde0) at wtf/FastMalloc.cpp:2495
#2  0x00007f239ce62f19 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3  0x00007f239801ce9a in start_thread (arg=0x7f2388a38700) at pthread_create.c:308
#4  0x00007f239dde24bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f2387f2b700 (LWP 18327)):
#0  0x00007f23989d5999 in timerSourcePrepareHelper (src=<optimized out>, timeout=0x7f2387f2ac9c) at kernel/qeventdispatcher_glib.cpp:137
#1  0x00007f23966be71e in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f23966bef1b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f23966bf124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f23989d6426 in QEventDispatcherGlib::processEvents (this=0x7f23800008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f23989a5c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f23989a5ed7 in QEventLoop::exec (this=0x7f2387f2ae00, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f23988a4fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x00007f23988a7fcb in QThreadPrivate::start (arg=0xf87af0) at thread/qthread_unix.cpp:298
#9  0x00007f239801ce9a in start_thread (arg=0x7f2387f2b700) at pthread_create.c:308
#10 0x00007f239dde24bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f2386ffb700 (LWP 18328)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f239d9d4222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f239d9d4259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f239801ce9a in start_thread (arg=0x7f2386ffb700) at pthread_create.c:308
#4  0x00007f239dde24bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f2385a67700 (LWP 18329)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f23988a84db in wait (time=18446744073709551615, this=0xcedc90) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xcf3490, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f239a8f50eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xd06700, th=0xf9db20) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f239a8f79db in ThreadWeaver::WorkingHardState::applyForWork (this=0xcef9a0, th=0xf9db20) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f239a8f79f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xcef9a0, th=0xf9db20) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f239a8f684f in ThreadWeaver::ThreadRunHelper::run (this=0x7f2385a66e20, parent=0xd06700, th=0xf9db20) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f239a8f68db in ThreadWeaver::Thread::run (this=0xf9db20) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f23988a7fcb in QThreadPrivate::start (arg=0xf9db20) at thread/qthread_unix.cpp:298
#9  0x00007f239801ce9a in start_thread (arg=0x7f2385a67700) at pthread_create.c:308
#10 0x00007f239dde24bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f237edc3700 (LWP 18331)):
#0  0x00007f239801efc0 in __pthread_mutex_lock (mutex=0x7f2334000a60) at pthread_mutex_lock.c:113
#1  0x00007f23966fa561 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f23966beb46 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f23966bf060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f23966bf124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f23989d6426 in QEventDispatcherGlib::processEvents (this=0x7f23340008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f23989a5c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f23989a5ed7 in QEventLoop::exec (this=0x7f237edc2dd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f23988a4fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f23989859ff in QInotifyFileSystemWatcherEngine::run (this=0x1288280) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f23988a7fcb in QThreadPrivate::start (arg=0x1288280) at thread/qthread_unix.cpp:298
#11 0x00007f239801ce9a in start_thread (arg=0x7f237edc3700) at pthread_create.c:308
#12 0x00007f239dde24bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f2320df1700 (LWP 18351)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f23988a84db in wait (time=18446744073709551615, this=0xcedc90) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xcf3490, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f239a8f50eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xd06700, th=0x10bc4a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f239a8f79db in ThreadWeaver::WorkingHardState::applyForWork (this=0xcef9a0, th=0x10bc4a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f239a8f79f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xcef9a0, th=0x10bc4a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f239a8f79f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xcef9a0, th=0x10bc4a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f239a8f79f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xcef9a0, th=0x10bc4a0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#8  0x00007f239a8f684f in ThreadWeaver::ThreadRunHelper::run (this=0x7f2320df0e20, parent=0xd06700, th=0x10bc4a0) at ../../../threadweaver/Weaver/Thread.cpp:87
#9  0x00007f239a8f68db in ThreadWeaver::Thread::run (this=0x10bc4a0) at ../../../threadweaver/Weaver/Thread.cpp:142
#10 0x00007f23988a7fcb in QThreadPrivate::start (arg=0x10bc4a0) at thread/qthread_unix.cpp:298
#11 0x00007f239801ce9a in start_thread (arg=0x7f2320df1700) at pthread_create.c:308
#12 0x00007f239dde24bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f23215f2700 (LWP 18384)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f23988a84db in wait (time=18446744073709551615, this=0xcedc90) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xcf3490, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f239a8f50eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xd06700, th=0x1089860) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f239a8f79db in ThreadWeaver::WorkingHardState::applyForWork (this=0xcef9a0, th=0x1089860) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f239a8f79f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xcef9a0, th=0x1089860) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f239a8f79f4 in ThreadWeaver::WorkingHardState::applyForWork (this=0xcef9a0, th=0x1089860) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#7  0x00007f239a8f684f in ThreadWeaver::ThreadRunHelper::run (this=0x7f23215f1e20, parent=0xd06700, th=0x1089860) at ../../../threadweaver/Weaver/Thread.cpp:87
#8  0x00007f239a8f68db in ThreadWeaver::Thread::run (this=0x1089860) at ../../../threadweaver/Weaver/Thread.cpp:142
#9  0x00007f23988a7fcb in QThreadPrivate::start (arg=0x1089860) at thread/qthread_unix.cpp:298
#10 0x00007f239801ce9a in start_thread (arg=0x7f23215f2700) at pthread_create.c:308
#11 0x00007f239dde24bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f22f456a700 (LWP 18548)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f23988a84db in wait (time=18446744073709551615, this=0xcedc90) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xcf3490, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f239a8f50eb in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xd06700, th=0x21b8da0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f239a8f79db in ThreadWeaver::WorkingHardState::applyForWork (this=0xcef9a0, th=0x21b8da0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f239a8f684f in ThreadWeaver::ThreadRunHelper::run (this=0x7f22f4569e20, parent=0xd06700, th=0x21b8da0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f239a8f68db in ThreadWeaver::Thread::run (this=0x21b8da0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f23988a7fcb in QThreadPrivate::start (arg=0x21b8da0) at thread/qthread_unix.cpp:298
#8  0x00007f239801ce9a in start_thread (arg=0x7f22f456a700) at pthread_create.c:308
#9  0x00007f239dde24bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f22f4d6b700 (LWP 18549)):
#0  0x00007f239ddd50bd in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f23966f988f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f23966beabd in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f23966bef96 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f23966bf124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f23989d6426 in QEventDispatcherGlib::processEvents (this=0x7f231c02b590, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f23989a5c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f23989a5ed7 in QEventLoop::exec (this=0x7f22f4d6add0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f23988a4fa7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f239aefbeee in KIO::NameLookUpThread::run (this=0x7f2304008ea0) at ../../kio/kio/hostinfo.cpp:226
#10 0x00007f23988a7fcb in QThreadPrivate::start (arg=0x7f2304008ea0) at thread/qthread_unix.cpp:298
#11 0x00007f239801ce9a in start_thread (arg=0x7f22f4d6b700) at pthread_create.c:308
#12 0x00007f239dde24bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f239e5de780 (LWP 18325)):
[KCrash Handler]
#6  get (this=<error reading variable: Cannot access memory at address 0x789>) at ../JavaScriptCore/wtf/RefPtr.h:60
#7  document (this=<error reading variable: Cannot access memory at address 0x789>) at page/Frame.h:305
#8  WebCore::Editor::canCopy (this=0x789) at editing/Editor.cpp:238
#9  0x00007f239c593334 in QWebPagePrivate::handleClipboard (this=<optimized out>, ev=0x7fff12e336c0, button=Qt::LeftButton) at Api/qwebpage.cpp:768
#10 0x00007f239c593499 in QWebPagePrivate::mouseReleaseEvent<QMouseEvent> (this=0x255ed80, ev=0x7fff12e336c0) at Api/qwebpage.cpp:798
#11 0x00007f239c59bee6 in QWebPage::event (this=<optimized out>, ev=0x7fff12e336c0) at Api/qwebpage.cpp:3061
#12 0x00007f239c59ecc8 in QWebView::mouseReleaseEvent (this=<optimized out>, ev=0x7fff12e336c0) at Api/qwebview.cpp:1028
#13 0x00007f239b88f573 in KWebView::mouseReleaseEvent (this=0x1eb8fa0, event=0x7fff12e336c0) at ../../kdewebkit/kwebview.cpp:80
#14 0x00007f2398f1a144 in QWidget::event (this=0x1eb8fa0, event=0x7fff12e336c0) at kernel/qwidget.cpp:8362
#15 0x00007f239c59f1b7 in QWebView::event (this=0x1eb8fa0, e=0x7fff12e336c0) at Api/qwebview.cpp:865
#16 0x00007f2398ec9894 in notify_helper (e=0x7fff12e336c0, receiver=0x1eb8fa0, this=0xbe9250) at kernel/qapplication.cpp:4559
#17 QApplicationPrivate::notify_helper (this=0xbe9250, receiver=0x1eb8fa0, e=0x7fff12e336c0) at kernel/qapplication.cpp:4531
#18 0x00007f2398ecf0bf in QApplication::notify (this=<optimized out>, receiver=0x1eb8fa0, e=0x7fff12e336c0) at kernel/qapplication.cpp:4102
#19 0x00007f239b441bb6 in KApplication::notify (this=0x7fff12e343a0, receiver=0x1eb8fa0, event=0x7fff12e336c0) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x00007f23989a6e9c in QCoreApplication::notifyInternal (this=0x7fff12e343a0, receiver=0x1eb8fa0, event=0x7fff12e336c0) at kernel/qcoreapplication.cpp:876
#21 0x00007f2398eca862 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#22 QApplicationPrivate::sendMouseEvent (receiver=0x1eb8fa0, event=0x7fff12e336c0, alienWidget=0x1eb8fa0, nativeWidget=0xd444f0, buttonDown=0x1eb8fa0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3170
#23 0x00007f2398f49bf5 in QETWidget::translateMouseEvent (this=0xd444f0, event=<optimized out>) at kernel/qapplication_x11.cpp:4617
#24 0x00007f2398f48bae in QApplication::x11ProcessEvent (this=0x7fff12e343a0, event=0x7fff12e33f90) at kernel/qapplication_x11.cpp:3732
#25 0x00007f2398f720d2 in x11EventSourceDispatch (s=0xbee870, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#26 0x00007f23966bec9a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f23966bf060 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f23966bf124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f23989d63bf in QEventDispatcherGlib::processEvents (this=0xbb3ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#30 0x00007f2398f71d5e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#31 0x00007f23989a5c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#32 0x00007f23989a5ed7 in QEventLoop::exec (this=0x7fff12e34330, flags=...) at kernel/qeventloop.cpp:204
#33 0x00007f23989aaf67 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#34 0x00007f239e1bbc9e in kdemain (argc=1, argv=<optimized out>) at /build/buildd/rekonq-0.9.1/src/main.cpp:180
#35 0x00007f239dd1176d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=1, ubp_av=0x7fff12e34b58, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff12e34b48) at libc-start.c:226
#36 0x0000000000400661 in _start ()

This bug may be a duplicate of or related to bug 299149.

Possible duplicates by query: bug 299149.

Reported using DrKonqi