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List: konq-bugs
Subject: [Bug 305864] New: Crash when changing browser engine from WebKit to KHTML
From: Graeme Hewson <bugs () wormhole ! me ! uk>
Date: 2012-08-27 9:47:12
Message-ID: bug-305864-5021 () http ! bugs ! kde ! org/
[Download RAW message or body]
https://bugs.kde.org/show_bug.cgi?id=305864
Bug ID: 305864
Severity: crash
Version: 4.9.0
Priority: NOR
Assignee: konq-bugs@kde.org
Summary: Crash when changing browser engine from WebKit to
KHTML
Classification: Unclassified
OS: Linux
Reporter: bugs@wormhole.me.uk
Hardware: Ubuntu Packages
Status: UNCONFIRMED
Component: general
Product: konqueror
Application: konqueror (4.9.00)
KDE Platform Version: 4.9.00
Qt Version: 4.8.2
Operating System: Linux 3.2.0-29-generic x86_64
Distribution: Ubuntu 12.04.1 LTS
-- Information about the crash:
- What I was doing when the application crashed:
Configure Konqueror to use the default Web browser engine: WebKit (General
settings).
Start a new instance of Konqueror.
Change the default Web browser engine to KHTML.
Crash occurs.
The crash can be reproduced every time.
-- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe982cd2780 (LWP 15106))]
Thread 5 (Thread 0x7fe968236700 (LWP 15111)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1 0x00007fe96aabbdec in WTF::TCMalloc_PageHeap::scavengerThread
(this=0x7fe96b484de0) at wtf/FastMalloc.cpp:2495
#2 0x00007fe96aabbf19 in WTF::TCMalloc_PageHeap::runScavengerThread
(context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3 0x00007fe97bb0ce9a in start_thread (arg=0x7fe968236700) at
pthread_create.c:308
#4 0x00007fe9825394bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5 0x0000000000000000 in ?? ()
Thread 4 (Thread 0x7fe967935700 (LWP 15112)):
#0 0x00007fe98252db03 in __GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1 0x00007fe97b44c036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fe97b44c164 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fe98001c9e6 in QEventDispatcherGlib::processEvents
(this=0x7fe9600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4 0x00007fe97ffebf22 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#5 0x00007fe97ffec177 in QEventLoop::exec (this=0x7fe967934e00, flags=...) at
kernel/qeventloop.cpp:204
#6 0x00007fe97feeb057 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#7 0x00007fe97feee07b in QThreadPrivate::start (arg=0x200a1f0) at
thread/qthread_unix.cpp:307
#8 0x00007fe97bb0ce9a in start_thread (arg=0x7fe967935700) at
pthread_create.c:308
#9 0x00007fe9825394bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()
Thread 3 (Thread 0x7fe964de0700 (LWP 15113)):
#0 0x00007fe97bb1005d in __pthread_mutex_unlock_usercnt (mutex=<optimized
out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1 __pthread_mutex_unlock (mutex=0x7fe918000a60) at pthread_mutex_unlock.c:290
#2 0x00007fe97b4875d1 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fe97b44befc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fe97b44c164 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007fe98001c9e6 in QEventDispatcherGlib::processEvents
(this=0x7fe9180008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6 0x00007fe97ffebf22 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#7 0x00007fe97ffec177 in QEventLoop::exec (this=0x7fe964ddfdd0, flags=...) at
kernel/qeventloop.cpp:204
#8 0x00007fe97feeb057 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#9 0x00007fe97ffcbc2f in QInotifyFileSystemWatcherEngine::run (this=0x2e61da0)
at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007fe97feee07b in QThreadPrivate::start (arg=0x2e61da0) at
thread/qthread_unix.cpp:307
#11 0x00007fe97bb0ce9a in start_thread (arg=0x7fe964de0700) at
pthread_create.c:308
#12 0x00007fe9825394bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()
Thread 2 (Thread 0x7fe914044700 (LWP 15114)):
#0 0x00007fe97b487320 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007fe97b4875c9 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fe97b44befc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fe97b44c164 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fe98001c9e6 in QEventDispatcherGlib::processEvents
(this=0x7fe90c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5 0x00007fe97ffebf22 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#6 0x00007fe97ffec177 in QEventLoop::exec (this=0x7fe914043dd0, flags=...) at
kernel/qeventloop.cpp:204
#7 0x00007fe97feeb057 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#8 0x00007fe97ffcbc2f in QInotifyFileSystemWatcherEngine::run (this=0x327ea40)
at io/qfilesystemwatcher_inotify.cpp:248
#9 0x00007fe97feee07b in QThreadPrivate::start (arg=0x327ea40) at
thread/qthread_unix.cpp:307
#10 0x00007fe97bb0ce9a in start_thread (arg=0x7fe914044700) at
pthread_create.c:308
#11 0x00007fe9825394bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()
Thread 1 (Thread 0x7fe982cd2780 (LWP 15106)):
[KCrash Handler]
#6 0x00000000000000a0 in ?? ()
#7 0x00007fe97fff3d29 in QMetaObject::cast (this=0x7fe96b927320,
obj=0x3332990) at kernel/qmetaobject.cpp:274
#8 0x00007fe96b6f66ff in ?? () from /usr/lib/kde4/kwebkitpart.so
#9 0x00007fe96b6f2534 in ?? () from /usr/lib/kde4/kwebkitpart.so
#10 0x00007fe96b6f259d in ?? () from /usr/lib/kde4/kwebkitpart.so
#11 0x00007fe96b6e82d2 in ?? () from /usr/lib/kde4/kwebkitpart.so
#12 0x00007fe96b6e834a in ?? () from /usr/lib/kde4/kwebkitpart.so
#13 0x00007fe981dc2f50 in KParts::Part::slotWidgetDestroyed (this=0x33370a0) at
../../kparts/part.cpp:353
#14 0x00007fe980001841 in QMetaObject::activate (sender=0x3332580, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff297b0ac0) at
kernel/qobject.cpp:3547
#15 0x00007fe98000219f in QObject::destroyed (this=<optimized out>,
_t1=0x3332580) at .moc/release-shared/moc_qobject.cpp:149
#16 0x00007fe980005c4e in QObject::~QObject (this=0x3332580,
__in_chrg=<optimized out>) at kernel/qobject.cpp:844
#17 0x00007fe97f13c64d in QWidget::~QWidget (this=0x3332580,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1552
#18 0x00007fe97f13c889 in QWidget::~QWidget (this=0x3332580,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1701
#19 0x00007fe97ffffef5 in QObjectPrivate::deleteChildren (this=0x33287a0) at
kernel/qobject.cpp:1908
#20 0x00007fe97f13c5b0 in QWidget::~QWidget (this=0x33281d0,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1677
#21 0x00007fe97f502709 in QGroupBox::~QGroupBox (this=0x33281d0,
__in_chrg=<optimized out>) at widgets/qgroupbox.cpp:216
#22 0x00007fe97ffffef5 in QObjectPrivate::deleteChildren (this=0x32e8860) at
kernel/qobject.cpp:1908
#23 0x00007fe97f13c5b0 in QWidget::~QWidget (this=0x32e8650,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1677
#24 0x00007fe964373dde in ?? () from /usr/lib/kde4/kcm_konqhtml.so
#25 0x00007fe97ffffef5 in QObjectPrivate::deleteChildren (this=0x32e3fd0) at
kernel/qobject.cpp:1908
#26 0x00007fe97f13c5b0 in QWidget::~QWidget (this=0x32e1830,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1677
#27 0x00007fe9809a6439 in KDialog::~KDialog (this=0x32e1830,
__in_chrg=<optimized out>) at ../../kdeui/dialogs/kdialog.cpp:204
#28 0x00007fe97ffffef5 in QObjectPrivate::deleteChildren (this=0x32d9650) at
kernel/qobject.cpp:1908
#29 0x00007fe97f13c5b0 in QWidget::~QWidget (this=0x32d9600,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1677
#30 0x00007fe964373d9e in ?? () from /usr/lib/kde4/kcm_konqhtml.so
#31 0x00007fe97ffffef5 in QObjectPrivate::deleteChildren (this=0x32d8650) at
kernel/qobject.cpp:1908
#32 0x00007fe97f13c5b0 in QWidget::~QWidget (this=0x32d8620,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1677
#33 0x00007fe97f55d789 in QStackedWidget::~QStackedWidget (this=0x32d8620,
__in_chrg=<optimized out>) at widgets/qstackedwidget.cpp:193
#34 0x00007fe97ffffef5 in QObjectPrivate::deleteChildren (this=0x32d82f0) at
kernel/qobject.cpp:1908
#35 0x00007fe97f13c5b0 in QWidget::~QWidget (this=0x2f6ff20,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1677
#36 0x00007fe980b34039 in KTabWidget::~KTabWidget (this=0x2f6ff20,
__in_chrg=<optimized out>) at ../../kdeui/widgets/ktabwidget.cpp:257
#37 0x00007fe97ffffef5 in QObjectPrivate::deleteChildren (this=0x3269980) at
kernel/qobject.cpp:1908
#38 0x00007fe97f13c5b0 in QWidget::~QWidget (this=0x2f6fe20,
__in_chrg=<optimized out>) at kernel/qwidget.cpp:1677
#39 0x00007fe980ae8f43 in KCModule::~KCModule (this=0x2f6fe20,
__in_chrg=<optimized out>) at ../../kdeui/widgets/kcmodule.cpp:193
#40 0x00007fe96435c949 in ?? () from /usr/lib/kde4/kcm_konqhtml.so
#41 0x00007fe981b80434 in KCModuleProxy::deleteClient (this=<optimized out>) at
../../kutils/kcmoduleproxy.cpp:219
#42 0x00007fe981b7db7c in KCMultiDialogPrivate::_k_dialogClosed
(this=0x2ee72e0) at ../../kutils/kcmultidialog.cpp:201
#43 0x00007fe980001841 in QMetaObject::activate (sender=0x2ec7460, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#44 0x00007fe97f14227f in QWidget::event (this=0x2ec7460, event=0x7fff297b1aa0)
at kernel/qwidget.cpp:8582
#45 0x00007fe97f0f17b4 in notify_helper (e=0x7fff297b1aa0, receiver=0x2ec7460,
this=0x181b3c0) at kernel/qapplication.cpp:4556
#46 QApplicationPrivate::notify_helper (this=0x181b3c0, receiver=0x2ec7460,
e=0x7fff297b1aa0) at kernel/qapplication.cpp:4528
#47 0x00007fe97f0f6583 in QApplication::notify (this=0x7fff297b3760,
receiver=0x2ec7460, e=0x7fff297b1aa0) at kernel/qapplication.cpp:4417
#48 0x00007fe980a53456 in KApplication::notify (this=0x7fff297b3760,
receiver=0x2ec7460, event=0x7fff297b1aa0) at
../../kdeui/kernel/kapplication.cpp:311
#49 0x00007fe97ffed3ec in QCoreApplication::notifyInternal
(this=0x7fff297b3760, receiver=0x2ec7460, event=0x7fff297b1aa0) at
kernel/qcoreapplication.cpp:915
#50 0x00007fe97f142e44 in sendEvent (event=0x7fff297b1aa0, receiver=0x2ec7460)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#51 QWidgetPrivate::hide_helper (this=0x2f007a0) at kernel/qwidget.cpp:7637
#52 0x00007fe97f144b78 in QWidget::setVisible (this=0x2ec7460,
visible=<optimized out>) at kernel/qwidget.cpp:7810
#53 0x00007fe97f5c2f33 in QDialog::setVisible (this=0x2ec7460,
visible=<optimized out>) at dialogs/qdialog.cpp:793
#54 0x00007fe97f5c22a4 in hide (this=0x2ec7460) at
../../include/QtGui/../../src/gui/kernel/qwidget.h:498
#55 QDialog::done (this=<optimized out>, r=1) at dialogs/qdialog.cpp:591
#56 0x00007fe980001841 in QMetaObject::activate (sender=0x2ec7460, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3547
#57 0x00007fe9809a9198 in KDialog::slotButtonClicked (this=0x2ec7460, button=4)
at ../../kdeui/dialogs/kdialog.cpp:884
#58 0x00007fe9809a95b4 in qt_static_metacall (_a=<optimized out>,
_id=<optimized out>, _o=<optimized out>, _c=<optimized out>) at
./kdialog.moc:167
#59 KDialog::qt_static_metacall (_o=<optimized out>, _c=<optimized out>,
_id=<optimized out>, _a=<optimized out>) at ./kdialog.moc:127
#60 0x00007fe980001841 in QMetaObject::activate (sender=0x2ee7370, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff297b1ec0) at
kernel/qobject.cpp:3547
#61 0x00007fe9800090fe in QSignalMapper::mapped (this=<optimized out>, _t1=4)
at .moc/release-shared/moc_qsignalmapper.cpp:115
#62 0x00007fe98000969b in QSignalMapper::map (this=0x2ee7370, sender=0x2f15560)
at kernel/qsignalmapper.cpp:266
#63 0x00007fe980001841 in QMetaObject::activate (sender=0x2f15560, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff297b2050) at
kernel/qobject.cpp:3547
#64 0x00007fe97f7820c2 in QAbstractButton::clicked (this=<optimized out>,
_t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:220
#65 0x00007fe97f4bfcae in QAbstractButtonPrivate::emitClicked (this=<optimized
out>) at widgets/qabstractbutton.cpp:548
#66 0x00007fe97f4c0feb in QAbstractButtonPrivate::click (this=0x2f155f0) at
widgets/qabstractbutton.cpp:541
#67 0x00007fe97f4c125c in QAbstractButton::mouseReleaseEvent (this=0x2f15560,
e=0x7fff297b2920) at widgets/qabstractbutton.cpp:1123
#68 0x00007fe97f141fb4 in QWidget::event (this=0x2f15560, event=0x7fff297b2920)
at kernel/qwidget.cpp:8371
#69 0x00007fe97f0f17b4 in notify_helper (e=0x7fff297b2920, receiver=0x2f15560,
this=0x181b3c0) at kernel/qapplication.cpp:4556
#70 QApplicationPrivate::notify_helper (this=0x181b3c0, receiver=0x2f15560,
e=0x7fff297b2920) at kernel/qapplication.cpp:4528
#71 0x00007fe97f0f6f2f in QApplication::notify (this=<optimized out>,
receiver=0x2f15560, e=0x7fff297b2920) at kernel/qapplication.cpp:4099
#72 0x00007fe980a53456 in KApplication::notify (this=0x7fff297b3760,
receiver=0x2f15560, event=0x7fff297b2920) at
../../kdeui/kernel/kapplication.cpp:311
#73 0x00007fe97ffed3ec in QCoreApplication::notifyInternal
(this=0x7fff297b3760, receiver=0x2f15560, event=0x7fff297b2920) at
kernel/qcoreapplication.cpp:915
#74 0x00007fe97f0f2782 in sendEvent (event=<optimized out>, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#75 QApplicationPrivate::sendMouseEvent (receiver=0x2f15560,
event=0x7fff297b2920, alienWidget=0x2f15560, nativeWidget=0x2ec7460,
buttonDown=0x2f15560, lastMouseReceiver=..., spontaneous=true) at
kernel/qapplication.cpp:3167
#76 0x00007fe97f171b15 in QETWidget::translateMouseEvent (this=0x2ec7460,
event=<optimized out>) at kernel/qapplication_x11.cpp:4617
#77 0x00007fe97f170ace in QApplication::x11ProcessEvent (this=0x7fff297b3760,
event=0x7fff297b31f0) at kernel/qapplication_x11.cpp:3732
#78 0x00007fe97f19a052 in x11EventSourceDispatch (s=0x1810080, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#79 0x00007fe97b44bd53 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#80 0x00007fe97b44c0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#81 0x00007fe97b44c164 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#82 0x00007fe98001c97f in QEventDispatcherGlib::processEvents (this=0x17edb30,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#83 0x00007fe97f199cde in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#84 0x00007fe97ffebf22 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#85 0x00007fe97ffec177 in QEventLoop::exec (this=0x7fff297b3590, flags=...) at
kernel/qeventloop.cpp:204
#86 0x00007fe97fff14c7 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1187
#87 0x00007fe9828bb28a in kdemain () from
/usr/lib/kde4/libkdeinit/libkdeinit4_konqueror.so
#88 0x00007fe98246876d in __libc_start_main (main=0x400640, argc=2,
ubp_av=0x7fff297b4118, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff297b4108) at libc-start.c:226
#89 0x0000000000400671 in _start ()
Possible duplicates by query: bug 295910, bug 283657.
Reported using DrKonqi
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