[WebKit-devel] [Bug 287007] Akregator crashes on close tab

Sat Nov 19 19:58:27 UTC 2011

https://bugs.kde.org/show_bug.cgi?id=287007


--- Comment #4 from Dawit Alemayehu <adawit kde org>  2011-11-19 19:58:27 ---
Application: Akregator (akregator), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82    T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f0601c04840 (LWP 30852))]

Thread 7 (Thread 0x7f05f2f5e700 (LWP 30855)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x0000003628a7bf8f in wait (time=30000, this=0x176b5c0) at
thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x176b568, time=30000) at
thread/qwaitcondition_unix.cpp:158
#3  0x0000003628a6f55f in QThreadPoolThread::run (this=0x17b5900) at
concurrent/qthreadpool.cpp:141
#4  0x0000003628a7bb1b in QThreadPrivate::start (arg=0x17b5900) at
thread/qthread_unix.cpp:298
#5  0x0000003185c07d90 in start_thread (arg=0x7f05f2f5e700) at
pthread_create.c:309
#6  0x00000031854eeddd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 6 (Thread 0x7f05f1efe700 (LWP 30856)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x0000003d5d5973cc in WTF::TCMalloc_PageHeap::scavengerThread
(this=0x3d5df90f80) at ../../../Source/JavaScriptCore/wtf/FastMalloc.cpp:2495
#2  0x0000003d5d5974f9 in WTF::TCMalloc_PageHeap::runScavengerThread
(context=<optimized out>) at
../../../Source/JavaScriptCore/wtf/FastMalloc.cpp:1618
#3  0x0000003185c07d90 in start_thread (arg=0x7f05f1efe700) at
pthread_create.c:309
#4  0x00000031854eeddd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 5 (Thread 0x7f05f15fd700 (LWP 30857)):
#0  0x00000031854e6443 in __GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x0000003188044f88 in g_main_context_poll (n_fds=1, fds=0x7f05e40013e0,
priority=<optimized out>, timeout=8485, context=0x7f05e40009a0) at gmain.c:3386
#2  g_main_context_iterate (context=0x7f05e40009a0, block=<optimized out>,
dispatch=1, self=<optimized out>) at gmain.c:3068
#3  0x000000318804544c in g_main_context_iteration (context=0x7f05e40009a0,
may_block=1) at gmain.c:3136
#4  0x0000003628ba6896 in QEventDispatcherGlib::processEvents
(this=0x7f05e40008c0, flags=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:426
#5  0x0000003628b76c82 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003628b76ed7 in QEventLoop::exec (this=0x7f05f15fcd40, flags=...) at
kernel/qeventloop.cpp:204
#7  0x0000003628a78ad7 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#8  0x0000003628a7bb1b in QThreadPrivate::start (arg=0x166f6f0) at
thread/qthread_unix.cpp:298
#9  0x0000003185c07d90 in start_thread (arg=0x7f05f15fd700) at
pthread_create.c:309
#10 0x00000031854eeddd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 4 (Thread 0x7f05a1809700 (LWP 30883)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x00007f059cef7411 in queue_processor(void*) () from
/usr/lib64/IcedTeaPlugin.so
#2  0x0000003185c07d90 in start_thread (arg=0x7f05a1809700) at
pthread_create.c:309
#3  0x00000031854eeddd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 3 (Thread 0x7f059ced2700 (LWP 30884)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x00007f059cef7411 in queue_processor(void*) () from
/usr/lib64/IcedTeaPlugin.so
#2  0x0000003185c07d90 in start_thread (arg=0x7f059ced2700) at
pthread_create.c:309
#3  0x00000031854eeddd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f059c6d1700 (LWP 30885)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x00007f059cef7411 in queue_processor(void*) () from
/usr/lib64/IcedTeaPlugin.so
#2  0x0000003185c07d90 in start_thread (arg=0x7f059c6d1700) at
pthread_create.c:309
#3  0x00000031854eeddd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f0601c04840 (LWP 30852)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x0000003d59e3f6de in KParts::StatusBarExtension::statusBar
(this=0x181ba60) at
/usr/src/debug/kdelibs-4.7.3/kparts/statusbarextension.cpp:149
#8  0x0000003d59e3f774 in KParts::StatusBarExtension::~StatusBarExtension
(this=0x181ba60, __in_chrg=<optimized out>) at
/usr/src/debug/kdelibs-4.7.3/kparts/statusbarextension.cpp:99
#9  0x0000003d59e3fb19 in KParts::StatusBarExtension::~StatusBarExtension
(this=0x181ba60, __in_chrg=<optimized out>) at
/usr/src/debug/kdelibs-4.7.3/kparts/statusbarextension.cpp:110
#10 0x0000003628b89e95 in QObjectPrivate::deleteChildren (this=0x17ebae0) at
kernel/qobject.cpp:1907
#11 0x0000003628b9013c in QObject::~QObject (this=0x17e8f90,
__in_chrg=<optimized out>) at kernel/qobject.cpp:926
#12 0x0000003d59e24688 in KParts::Part::~Part (this=0x17e8f90,
__vtt_parm=0x7f05f2151670, __in_chrg=<optimized out>) at
/usr/src/debug/kdelibs-4.7.3/kparts/part.cpp:190
#13 0x00007f05f1f1a747 in KWebKitPart::~KWebKitPart (this=0x17e8f90,
__in_chrg=<optimized out>, __vtt_parm=<optimized out>) at
/usr/src/debug/kwebkitpart-1.2/src/kwebkitpart.cpp:186
#14 0x00007f05f1f1a789 in KWebKitPart::~KWebKitPart (this=0x17e8f90,
__in_chrg=<optimized out>, __vtt_parm=<optimized out>) at
/usr/src/debug/kwebkitpart-1.2/src/kwebkitpart.cpp:188
#15 0x0000003d5b24c6f0 in Akregator::BrowserFrame::Private::~Private
(this=0x16716d0, __in_chrg=<optimized out>) at
/usr/src/debug/kdepim-4.7.3/akregator/src/browserframe_p.cpp:50
#16 0x0000003d5b24c7e9 in Akregator::BrowserFrame::Private::~Private
(this=0x16716d0, __in_chrg=<optimized out>) at
/usr/src/debug/kdepim-4.7.3/akregator/src/browserframe_p.cpp:51
#17 0x0000003d5b2495aa in Akregator::BrowserFrame::~BrowserFrame
(this=0x16684f0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at
/usr/src/debug/kdepim-4.7.3/akregator/src/browserframe.cpp:63
#18 0x0000003d5b249619 in Akregator::BrowserFrame::~BrowserFrame
(this=0x16684f0, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at
/usr/src/debug/kdepim-4.7.3/akregator/src/browserframe.cpp:64
#19 0x0000003d5b2477d0 in Akregator::FrameManager::slotRemoveFrame
(this=0x14c0c10, id=1) at
/usr/src/debug/kdepim-4.7.3/akregator/src/framemanager.cpp:108
#20 0x0000003628b8b7d1 in QMetaObject::activate (sender=0x14e6a10, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff84c78930) at
kernel/qobject.cpp:3546
#21 0x00007f05f6ceb5f1 in Akregator::TabWidget::signalRemoveFrameRequest
(this=<optimized out>, _t1=1) at
/usr/src/debug/kdepim-4.7.3/x86_64-redhat-linux-gnu/akregator/src/tabwidget.moc:167
#22 0x0000003628b8b7d1 in QMetaObject::activate (sender=0x14e9890, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff84c78a80) at
kernel/qobject.cpp:3546
#23 0x0000003d5664c702 in QAbstractButton::clicked (this=<optimized out>,
_t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:220
#24 0x0000003d5638f36e in QAbstractButtonPrivate::emitClicked (this=0x14ea070)
at widgets/qabstractbutton.cpp:546
#25 0x0000003d563906ab in QAbstractButtonPrivate::click (this=0x14ea070) at
widgets/qabstractbutton.cpp:539
#26 0x0000003d5639091c in QAbstractButton::mouseReleaseEvent (this=0x14e9890,
e=0x7fff84c79360) at widgets/qabstractbutton.cpp:1121
#27 0x0000003d5644d9ba in QToolButton::mouseReleaseEvent (this=<optimized out>,
e=<optimized out>) at widgets/qtoolbutton.cpp:718
#28 0x0000003d56019d8a in QWidget::event (this=0x14e9890, event=0x7fff84c79360)
at kernel/qwidget.cpp:8350
#29 0x0000003d55fc96f4 in notify_helper (e=0x7fff84c79360, receiver=0x14e9890,
this=0x11caff0) at kernel/qapplication.cpp:4518
#30 QApplicationPrivate::notify_helper (this=0x11caff0, receiver=0x14e9890,
e=0x7fff84c79360) at kernel/qapplication.cpp:4490
#31 0x0000003d55fcee43 in QApplication::notify (this=<optimized out>,
receiver=0x14e9890, e=0x7fff84c79360) at kernel/qapplication.cpp:4061
#32 0x0000003d57650396 in KApplication::notify (this=0x7fff84c7a040,
receiver=0x14e9890, event=0x7fff84c79360) at
/usr/src/debug/kdelibs-4.7.3/kdeui/kernel/kapplication.cpp:311
#33 0x0000003628b77b4c in QCoreApplication::notifyInternal
(this=0x7fff84c7a040, receiver=0x14e9890, event=0x7fff84c79360) at
kernel/qcoreapplication.cpp:876
#34 0x0000003d55fca6c2 in sendEvent (event=<optimized out>, receiver=<optimized
out>) at ../../src/corelib/kernel/qcoreapplication.h:231
#35 QApplicationPrivate::sendMouseEvent (receiver=0x14e9890,
event=0x7fff84c79360, alienWidget=0x14e9890, nativeWidget=0x14c2720,
buttonDown=0x14e9890, lastMouseReceiver=..., spontaneous=true) at
kernel/qapplication.cpp:3157
#36 0x0000003d56046045 in QETWidget::translateMouseEvent (this=0x14c2720,
event=<optimized out>) at kernel/qapplication_x11.cpp:4515
#37 0x0000003d56044f0a in QApplication::x11ProcessEvent (this=0x7fff84c7a040,
event=0x7fff84c79c20) at kernel/qapplication_x11.cpp:3641
#38 0x0000003d5606c74c in x11EventSourceDispatch (s=0x11d1e10, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#39 0x0000003188044a7d in g_main_dispatch (context=0x11d1230) at gmain.c:2425
#40 g_main_context_dispatch (context=0x11d1230) at gmain.c:2995
#41 0x0000003188045278 in g_main_context_iterate (context=0x11d1230,
block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3073
#42 0x000000318804544c in g_main_context_iteration (context=0x11d1230,
may_block=1) at gmain.c:3136
#43 0x0000003628ba682f in QEventDispatcherGlib::processEvents (this=0x119c510,
flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#44 0x0000003d5606c43e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=<optimized out>) at
kernel/qguieventdispatcher_glib.cpp:207
#45 0x0000003628b76c82 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#46 0x0000003628b76ed7 in QEventLoop::exec (this=0x7fff84c79ff0, flags=...) at
kernel/qeventloop.cpp:204
#47 0x0000003628b7b8d5 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1148
#48 0x0000000000407eec in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/debug/kdepim-4.7.3/akregator/src/main.cpp:103

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