Bug 295184

Application: rekonq (0.8.0)
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-16-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
I clicked on the window manager's X to close application. window was removed and a second later the crash was reported

-- Backtrace:
Application: rekonq (rekonq), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fc7231ce780 (LWP 11928))]

Thread 10 (Thread 0x7fc7046d9700 (LWP 11929)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fc721aacc2c in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7fc722463220) at wtf/FastMalloc.cpp:2495
#2  0x00007fc721aacd59 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3  0x00007fc71d1dcefc in start_thread (arg=0x7fc7046d9700) at pthread_create.c:304
#4  0x00007fc722a0b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7fc703dd8700 (LWP 11930)):
#0  0x00007fc71d1e01fd in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x12b1348) at pthread_mutex_unlock.c:290
#2  0x00007fc71b60e687 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc71b60fd81 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc71b610429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc71d890f3e in QEventDispatcherGlib::processEvents (this=0x1205160, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007fc71d864cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fc71d864ef7 in QEventLoop::exec (this=0x7fc703dd7e00, flags=...) at kernel/qeventloop.cpp:201
#8  0x00007fc71d77c27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#9  0x00007fc71d77ed05 in QThreadPrivate::start (arg=0x1207880) at thread/qthread_unix.cpp:331
#10 0x00007fc71d1dcefc in start_thread (arg=0x7fc703dd8700) at pthread_create.c:304
#11 0x00007fc722a0b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7fc702f60700 (LWP 11931)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fc72260dfe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fc72260e019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fc71d1dcefc in start_thread (arg=0x7fc702f60700) at pthread_create.c:304
#4  0x00007fc722a0b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7fc701a5d700 (LWP 11932)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fc71d77f1ab in wait (time=18446744073709551615, this=0xfc9530) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0xfdba90, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fc71f790864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xfc9470, th=0x175a370) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fc71f792e0b in ThreadWeaver::WorkingHardState::applyForWork (this=0xfc80f0, th=0x175a370) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fc71f791ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7fc701a5ce20, parent=0xfc9470, th=0x175a370) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fc71f791d5b in ThreadWeaver::Thread::run (this=0x175a370) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fc71d77ed05 in QThreadPrivate::start (arg=0x175a370) at thread/qthread_unix.cpp:331
#8  0x00007fc71d1dcefc in start_thread (arg=0x7fc701a5d700) at pthread_create.c:304
#9  0x00007fc722a0b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fc7010a1700 (LWP 11933)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007fc7010a0af0 in ?? ()
#2  0x00007fff3b7ff7e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 5 (Thread 0x7fc6b7909700 (LWP 11972)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fc6b9f831f1 in queue_processor(void*) () from /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/IcedTeaPlugin.so
#2  0x00007fc71d1dcefc in start_thread (arg=0x7fc6b7909700) at pthread_create.c:304
#3  0x00007fc722a0b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fc6b7108700 (LWP 11973)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fc6b9f831f1 in queue_processor(void*) () from /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/IcedTeaPlugin.so
#2  0x00007fc71d1dcefc in start_thread (arg=0x7fc6b7108700) at pthread_create.c:304
#3  0x00007fc722a0b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fc6b6907700 (LWP 11974)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fc6b9f831f1 in queue_processor(void*) () from /usr/lib/jvm/java-6-openjdk/jre/lib/amd64/IcedTeaPlugin.so
#2  0x00007fc71d1dcefc in start_thread (arg=0x7fc6b6907700) at pthread_create.c:304
#3  0x00007fc722a0b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fc6b0cef700 (LWP 12009)):
#0  postEventSourcePrepare (s=0x4c4dae0, timeout=0x7fc6b0ceec3c) at kernel/qeventdispatcher_glib.cpp:255
#1  0x00007fc71b60eff2 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc71b60fdfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc71b610429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc71d890f3e in QEventDispatcherGlib::processEvents (this=0x4abd6a0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007fc71d864cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007fc71d864ef7 in QEventLoop::exec (this=0x7fc6b0ceedd0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007fc71d77c27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007fc71d847cbf in QInotifyFileSystemWatcherEngine::run (this=0x4b7a620) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007fc71d77ed05 in QThreadPrivate::start (arg=0x4b7a620) at thread/qthread_unix.cpp:331
#10 0x00007fc71d1dcefc in start_thread (arg=0x7fc6b0cef700) at pthread_create.c:304
#11 0x00007fc722a0b89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fc7231ce780 (LWP 11928)):
[KCrash Handler]
#6  QWidget::focusProxy (this=0xe1) at kernel/qwidget.cpp:6271
#7  0x00007fc71dde0fb3 in effectiveFocusWidget (this=0x122a4e0) at ../../include/QtGui/private/../../../src/gui/kernel/qwidget_p.h:572
#8  QWidget::setAttribute (this=0x101f7f0, attribute=<optimized out>, on=true) at kernel/qwidget.cpp:10713
#9  0x00007fc71dde9904 in QWidget::winId (this=0x101f7f0) at kernel/qwidget.cpp:2482
#10 0x00007fc71fce25ff in KIO::SimpleJobPrivate::start (this=0x4a87180, slave=0x4a96730) at ../../kio/kio/job.cpp:424
#11 0x00007fc71fce2cfb in KIO::TransferJobPrivate::start (this=0x4a87180, slave=0x4a96730) at ../../kio/kio/job.cpp:1250
#12 0x00007fc71fd710ab in startJob (slave=0x4a96730, job=0x4a5d7a0) at ../../kio/kio/scheduler.cpp:60
#13 KIO::ProtoQueue::startAJob (this=0x47519b0) at ../../kio/kio/scheduler.cpp:630
#14 0x00007fc71fd711c0 in KIO::ProtoQueue::qt_metacall (this=0x47519b0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=<optimized out>) at ./scheduler_p.moc:190
#15 0x00007fc71d878eba in QMetaObject::activate (sender=0x4751a08, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#16 0x00007fc71d87c789 in QObject::event (this=0x4751a08, e=<optimized out>) at kernel/qobject.cpp:1181
#17 0x00007fc71dd96474 in notify_helper (e=0x7fff3b79fe20, receiver=0x4751a08, this=0xe80200) at kernel/qapplication.cpp:4486
#18 QApplicationPrivate::notify_helper (this=0xe80200, receiver=0x4751a08, e=0x7fff3b79fe20) at kernel/qapplication.cpp:4458
#19 0x00007fc71dd9b2e1 in QApplication::notify (this=0x7fff3b7a0120, receiver=0x4751a08, e=0x7fff3b79fe20) at kernel/qapplication.cpp:4365
#20 0x00007fc7202d2466 in KApplication::notify (this=0x7fff3b7a0120, receiver=0x4751a08, event=0x7fff3b79fe20) at ../../kdeui/kernel/kapplication.cpp:311
#21 0x00007fc71d865afc in QCoreApplication::notifyInternal (this=0x7fff3b7a0120, receiver=0x4751a08, event=0x7fff3b79fe20) at kernel/qcoreapplication.cpp:787
#22 0x00007fc71d892d62 in sendEvent (event=0x7fff3b79fe20, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#23 QTimerInfoList::activateTimers (this=0xe7e690) at kernel/qeventdispatcher_unix.cpp:603
#24 0x00007fc71d890514 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#25 0x00007fc71b60fa5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007fc71b610258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007fc71b610429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fc71d890ed6 in QEventDispatcherGlib::processEvents (this=0xe4ff40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#29 0x00007fc71de3e10e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#30 0x00007fc71d864cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#31 0x00007fc71d864ef7 in QEventLoop::exec (this=0x7fff3b7a00b0, flags=...) at kernel/qeventloop.cpp:201
#32 0x00007fc71d869789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#33 0x00007fc722dbdb97 in kdemain (argc=2, argv=<optimized out>) at /build/buildd/rekonq-0.8.0/src/main.cpp:215
#34 0x00007fc72294b30d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=2, ubp_av=0x7fff3b7a0ab8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff3b7a0aa8) at libc-start.c:226
#35 0x0000000000400661 in _start ()

This bug may be a duplicate of or related to bug 282052.

Possible duplicates by query: bug 293454, bug 291139, bug 290121, bug 286541, bug 286499.

Reported using DrKonqi