Bug 276173

Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic i686
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
Firefox (1 tab open)
Kile (2 documents)
Okular (1 instance)
Amarok (playing music)

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb6020720 (LWP 2691))]

Thread 4 (Thread 0xb3e01b70 (LWP 2692)):
#0  0x0420c367 in __pthread_mutex_lock (mutex=0x900809c) at pthread_mutex_lock.c:61
#1  0x0082e616 in pthread_mutex_lock (mutex=0x900809c) at forward.c:182
#2  0x066ef009 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x066efe63 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x066f0524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x03b4d577 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0x03b1f289 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#7  0x03b1f522 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#8  0x03a292a0 in QThread::exec() () from /usr/lib/libQtCore.so.4
#9  0x03b00fdb in ?? () from /usr/lib/libQtCore.so.4
#10 0x03a2bda2 in ?? () from /usr/lib/libQtCore.so.4
#11 0x04209e99 in start_thread (arg=0xb3e01b70) at pthread_create.c:304
#12 0x0082073e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xace56b70 (LWP 2694)):
#0  0x0021f416 in __kernel_vsyscall ()
#1  0x00811f76 in __poll (fds=0xb3501a00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x0670084b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x066f01af in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x066f0524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x03b4d577 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0x03b1f289 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#7  0x03b1f522 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#8  0x03a292a0 in QThread::exec() () from /usr/lib/libQtCore.so.4
#9  0x03b00fdb in ?? () from /usr/lib/libQtCore.so.4
#10 0x03a2bda2 in ?? () from /usr/lib/libQtCore.so.4
#11 0x04209e99 in start_thread (arg=0xace56b70) at pthread_create.c:304
#12 0x0082073e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xabe54b70 (LWP 2699)):
#0  0x0021f416 in __kernel_vsyscall ()
#1  0x00811f76 in __poll (fds=0x91760e0, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x0670084b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x066f01af in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x066f092b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x04d48304 in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x067192df in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x04209e99 in start_thread (arg=0xabe54b70) at pthread_create.c:304
#8  0x0082073e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb6020720 (LWP 2691)):
[KCrash Handler]
#7  0x014bb29f in QWidget::testAttribute_helper(Qt::WidgetAttribute) const () from /usr/lib/libQtGui.so.4
#8  0x014782df in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#9  0x0117c3ca in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#10 0x03b200bb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#11 0x01473c3b in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#12 0x014fd2bc in ?? () from /usr/lib/libQtGui.so.4
#13 0x014fb746 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#14 0x01526b84 in ?? () from /usr/lib/libQtGui.so.4
#15 0x066efaa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#16 0x066f0270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#17 0x066f0524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#18 0x03b4d53c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#19 0x01526775 in ?? () from /usr/lib/libQtGui.so.4
#20 0x03b1f289 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#21 0x03b1f522 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#22 0x0150b8e9 in ?? () from /usr/lib/libQtGui.so.4
#23 0x01485d6e in QDrag::exec(QFlags<Qt::DropAction>, Qt::DropAction) () from /usr/lib/libQtGui.so.4
#24 0x01485e24 in QDrag::exec(QFlags<Qt::DropAction>) () from /usr/lib/libQtGui.so.4
#25 0x0705a8ed in ?? () from /usr/lib/kde4/plasma_applet_launcher.so
#26 0x019f32a2 in QAbstractItemView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#27 0x07054fbb in ?? () from /usr/lib/kde4/plasma_applet_launcher.so
#28 0x014cb172 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#29 0x018bcf63 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#30 0x0194b5d2 in QAbstractScrollArea::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#31 0x019ea797 in QAbstractItemView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#32 0x0194ded5 in ?? () from /usr/lib/libQtGui.so.4
#33 0x03b2025a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#34 0x01472d00 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#35 0x01478201 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#36 0x0117c3ca in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#37 0x03b200bb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#38 0x01473c3b in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#39 0x014741a3 in QApplicationPrivate::sendSyntheticEnterLeave(QWidget*) () from /usr/lib/libQtGui.so.4
#40 0x014c6577 in QWidgetPrivate::hideChildren(bool) () from /usr/lib/libQtGui.so.4
#41 0x014c6524 in QWidgetPrivate::hideChildren(bool) () from /usr/lib/libQtGui.so.4
#42 0x014c6524 in QWidgetPrivate::hideChildren(bool) () from /usr/lib/libQtGui.so.4
#43 0x014c6524 in QWidgetPrivate::hideChildren(bool) () from /usr/lib/libQtGui.so.4
#44 0x014c6762 in QWidgetPrivate::hide_helper() () from /usr/lib/libQtGui.so.4
#45 0x014cf918 in QWidget::setVisible(bool) () from /usr/lib/libQtGui.so.4
#46 0x004558df in Plasma::Dialog::animatedHide(Plasma::Direction) () from /usr/lib/libplasma.so.3
#47 0x0047cb0f in Plasma::PopupApplet::hidePopup() () from /usr/lib/libplasma.so.3
#48 0x0047e373 in Plasma::PopupApplet::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libplasma.so.3
#49 0x0706e1da in ?? () from /usr/lib/kde4/plasma_applet_launcher.so
#50 0x03b266ba in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#51 0x03b364ff in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#52 0x0705dbe7 in ?? () from /usr/lib/kde4/plasma_applet_launcher.so
#53 0x0705e102 in ?? () from /usr/lib/kde4/plasma_applet_launcher.so
#54 0x03b2025a in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#55 0x01472d00 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#56 0x01478201 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#57 0x0117c3ca in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#58 0x03b200bb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#59 0x01473c3b in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#60 0x014fd2bc in ?? () from /usr/lib/libQtGui.so.4
#61 0x014fb746 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#62 0x01526b84 in ?? () from /usr/lib/libQtGui.so.4
#63 0x066efaa8 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#64 0x066f0270 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#65 0x066f0524 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#66 0x03b4d53c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#67 0x01526775 in ?? () from /usr/lib/libQtGui.so.4
#68 0x03b1f289 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#69 0x03b1f522 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#70 0x03b23ecc in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#71 0x014708e7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#72 0x009e25a5 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#73 0x080485cb in _start ()

This bug may be a duplicate of or related to bug 267343.

Possible duplicates by query: bug 274728, bug 271742, bug 270363, bug 267343, bug 253524.

Reported using DrKonqi