Bug 256116

Application: rekonq (0.6.1)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-22-generic i686
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:
I was in Yahoo mail.  pressed Back arrow. Then again back arrow.  after that appl. closed suddenly. But when I retried it was started.

The crash can be reproduced some of the time.

-- Backtrace:
Application: rekonq (rekonq), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7751930 (LWP 1538))]

Thread 7 (Thread 0xb5661b70 (LWP 1539)):
#0  0x006d3416 in __kernel_vsyscall ()
#1  0x0037e4dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00cd1dad in pthread_cond_wait () from /lib/libc.so.6
#3  0x01a5c3a5 in ?? () from /usr/lib/libQtWebKit.so.4
#4  0x01a5c481 in ?? () from /usr/lib/libQtWebKit.so.4
#5  0x00379cc9 in start_thread () from /lib/libpthread.so.0
#6  0x00cc46ae in clone () from /lib/libc.so.6

Thread 6 (Thread 0xb4b98b70 (LWP 1540)):
#0  0x006d3416 in __kernel_vsyscall ()
#1  0x0037e4dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00cd1dad in pthread_cond_wait () from /lib/libc.so.6
#3  0x03e889c7 in wait (this=0x9737f58, mutex=0x9736d08, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9737f58, mutex=0x9736d08, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x00183030 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9737f40, th=0x9913678) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x001867dc in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9737e80, th=0x9913678) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0018255b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9737f40, th=0x9913678) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x001868d2 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9737e80, th=0x9913678) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00183533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9737f40, th=0x9913678, previous=0x9a17b70) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x0018495e in ThreadWeaver::ThreadRunHelper::run (this=0xb4b982f4, parent=0x9737f40, th=0x9913678) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x0018507b in ThreadWeaver::Thread::run (this=0x9913678) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x03e87df9 in QThreadPrivate::start (arg=0x9913678) at thread/qthread_unix.cpp:266
#13 0x00379cc9 in start_thread () from /lib/libpthread.so.0
#14 0x00cc46ae in clone () from /lib/libc.so.6

Thread 5 (Thread 0xaddb2b70 (LWP 1541)):
#0  0x00796cd1 in ?? () from /usr/lib/libgthread-2.0.so.0
#1  0x0817be22 in g_thread_self () from /lib/libglib-2.0.so.0
#2  0x08155833 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x03fb859f in QEventDispatcherGlib::processEvents (this=0x99024e0, flags=...) at kernel/qeventdispatcher_glib.cpp:417
#4  0x03f88609 in QEventLoop::processEvents (this=0xaddb2290, flags=) at kernel/qeventloop.cpp:149
#5  0x03f88a8a in QEventLoop::exec (this=0xaddb2290, flags=...) at kernel/qeventloop.cpp:201
#6  0x03e84b7e in QThread::exec (this=0x9a68968) at thread/qthread.cpp:490
#7  0x03f6735b in QInotifyFileSystemWatcherEngine::run (this=0x9a68968) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x03e87df9 in QThreadPrivate::start (arg=0x9a68968) at thread/qthread_unix.cpp:266
#9  0x00379cc9 in start_thread () from /lib/libpthread.so.0
#10 0x00cc46ae in clone () from /lib/libc.so.6

Thread 4 (Thread 0xaa79cb70 (LWP 1578)):
#0  0x006d3416 in __kernel_vsyscall ()
#1  0x0037e4dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00cd1dad in pthread_cond_wait () from /lib/libc.so.6
#3  0x03e889c7 in wait (this=0x9737f58, mutex=0x9736d08, time=4294967295) at thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9737f58, mutex=0x9736d08, time=4294967295) at thread/qwaitcondition_unix.cpp:160
#5  0x00183030 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9737f40, th=0x9a5e638) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0x001867dc in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9737e80, th=0x9a5e638) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0x0018255b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9737f40, th=0x9a5e638) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0x001868d2 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9737e80, th=0x9a5e638) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00183533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9737f40, th=0x9a5e638, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0x0018495e in ThreadWeaver::ThreadRunHelper::run (this=0xaa79c2f4, parent=0x9737f40, th=0x9a5e638) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0x0018507b in ThreadWeaver::Thread::run (this=0x9a5e638) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0x03e87df9 in QThreadPrivate::start (arg=0x9a5e638) at thread/qthread_unix.cpp:266
#13 0x00379cc9 in start_thread () from /lib/libpthread.so.0
#14 0x00cc46ae in clone () from /lib/libc.so.6

Thread 3 (Thread 0xa969ab70 (LWP 1582)):
#0  0x006d3416 in __kernel_vsyscall ()
#1  0x0037e4dc in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00cd1dad in pthread_cond_wait () from /lib/libc.so.6
#3  0x0053b877 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x63a1a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x0053b8c1 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x63a1a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x00379cc9 in start_thread () from /lib/libpthread.so.0
#6  0x00cc46ae in clone () from /lib/libc.so.6

Thread 2 (Thread 0xa6c3fb70 (LWP 1626)):
#0  0x006d3416 in __kernel_vsyscall ()
#1  0x0037e884 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0x00cd1e04 in pthread_cond_timedwait () from /lib/libc.so.6
#3  0x04c23b3f in ?? () from /usr/lib/libxine.so.1
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Thread 1 (Thread 0xb7751930 (LWP 1538)):
[KCrash Handler]
#7  QCoreApplication::notifyInternal (this=0xbfad69f4, receiver=0xb1e2768, event=0xbfad6250) at kernel/qcoreapplication.cpp:719
#8  0x020a0a1c in sendEvent (enter=0xb1e2768, leave=0x98dbc90) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#9  QApplicationPrivate::dispatchEnterLeave (enter=0xb1e2768, leave=0x98dbc90) at kernel/qapplication.cpp:2722
#10 0x0212ea5c in QApplication::x11ProcessEvent (this=0xbfad69f4, event=0xbfad664c) at kernel/qapplication_x11.cpp:3609
#11 0x0215e36a in x11EventSourceDispatch (s=0x9698ee8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#12 0x08151855 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#13 0x08155668 in ?? () from /lib/libglib-2.0.so.0
#14 0x08155848 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#15 0x03fb8565 in QEventDispatcherGlib::processEvents (this=0x9678688, flags=...) at kernel/qeventdispatcher_glib.cpp:415
#16 0x0215dbe5 in QGuiEventDispatcherGlib::processEvents (this=0x9678688, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#17 0x03f88609 in QEventLoop::processEvents (this=0xbfad6944, flags=) at kernel/qeventloop.cpp:149
#18 0x03f88a8a in QEventLoop::exec (this=0xbfad6944, flags=...) at kernel/qeventloop.cpp:201
#19 0x03f8d00f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#20 0x0209ae07 in QApplication::exec () at kernel/qapplication.cpp:3672
#21 0x0095624e in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_rekonq.so
#22 0x0804859b in _start ()

This bug may be a duplicate of or related to bug 255504.

Possible duplicates by query: bug 255669, bug 255504, bug 254480, bug 238774, bug 227323.

Reported using DrKonqi