Bug 241721

Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.85 (KDE 4.4.85 (KDE 4.5 Beta2))
Qt Version: 4.7.0
Operating System: Linux 2.6.32-23-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
Crash when trying to download a new wallpaper. Had 6 windows open, compositing on, Oxygen theme.

-- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f97e338d7a0 (LWP 2762))]

Thread 3 (Thread 0x7f97c6861710 (LWP 2763)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f97dd7c80c4 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f97ddad2140) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f97dd7c80f9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f97ddae0214) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f97e00779ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#4  0x00007f97e2da56cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f97c20bc710 (LWP 2764)):
#0  0x00007f97e2d98f53 in *__GI___poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f97d7ab04a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f97d7ab08fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f97e04279c6 in QEventDispatcherGlib::processEvents (this=0x15712f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007f97e03fa5b2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f97e03fa98c in QEventLoop::exec (this=0x7f97c20bbd70, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f97e03061cd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007f97e03da4d8 in QInotifyFileSystemWatcherEngine::run (this=0x163c380) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f97e030914e in QThreadPrivate::start (arg=0x163c380) at thread/qthread_unix.cpp:266
#9  0x00007f97e00779ca in start_thread (arg=<value optimized out>) at pthread_create.c:300
#10 0x00007f97e2da56cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f97e338d7a0 (LWP 2762)):
[KCrash Handler]
#6  0x00007f97dc80c643 in KNS3::ItemsViewBaseDelegate::slotInstallActionTriggered (this=0x3288c20, action=<value optimized out>) at ../../../knewstuff/knewstuff3/ui/itemsviewbasedelegate.cpp:90
#7  0x00007f97dc7da178 in KNS3::ItemsViewBaseDelegate::qt_metacall (this=0x3288c20, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff651f3b30) at moc_itemsviewbasedelegate.cpp:91
#8  0x00007f97e0413597 in QMetaObject::activate (sender=0x399f980, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x241bae8) at kernel/qobject.cpp:3280
#9  0x00007f97dfa02faf in QToolButton::triggered (this=0x7fff651f39d0, _t1=0x399fc50) at .moc/release-shared/moc_qtoolbutton.cpp:165
#10 0x00007f97dfa056d1 in QToolButton::qt_metacall (this=0x399f980, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff651f3c80) at .moc/release-shared/moc_qtoolbutton.cpp:116
#11 0x00007f97e0413597 in QMetaObject::activate (sender=0x3343dd0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x241bae8) at kernel/qobject.cpp:3280
#12 0x00007f97df9ba1c2 in QMenu::triggered (this=0x7fff651f39d0, _t1=0x399fc50) at .moc/release-shared/moc_qmenu.cpp:164
#13 0x00007f97df9bcb8d in QMenuPrivate::_q_actionTriggered (this=<value optimized out>) at widgets/qmenu.cpp:1121
#14 0x00007f97df9c09e2 in QMenu::qt_metacall (this=0x3343dd0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff651f3e80) at .moc/release-shared/moc_qmenu.cpp:105
#15 0x00007f97e1190670 in KMenu::qt_metacall (this=0x7fff651f39d0, _c=1696544976, _id=0, _a=0x241bae8) at ./kmenu.moc:76
#16 0x00007f97e0413597 in QMetaObject::activate (sender=0x399fc50, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x241bae8) at kernel/qobject.cpp:3280
#17 0x00007f97df5611a2 in QAction::triggered (this=0x7fff651f39d0, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#18 0x00007f97df56289b in QAction::activate (this=0x399fc50, event=<value optimized out>) at kernel/qaction.cpp:1256
#19 0x00007f97df9bb8dd in QMenuPrivate::activateCausedStack (this=<value optimized out>, causedStack=..., action=0x399fc50, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1003
#20 0x00007f97df9c128a in QMenuPrivate::activateAction (this=0x3aac340, action=0x399fc50, action_e=QAction::Trigger, self=<value optimized out>) at widgets/qmenu.cpp:1095
#21 0x00007f97e118ee5e in KMenu::mouseReleaseEvent (this=0x3343dd0, e=0x7fff651f38d0) at ../../kdeui/widgets/kmenu.cpp:471
#22 0x00007f97df5be19e in QWidget::event (this=0x3343dd0, event=0x7fff651f4ad0) at kernel/qwidget.cpp:8097
#23 0x00007f97df9c340b in QMenu::event (this=0x3343dd0, e=0x7fff651f4ad0) at widgets/qmenu.cpp:2420
#24 0x00007f97df56884c in QApplicationPrivate::notify_helper (this=0xef0f70, receiver=0x3343dd0, e=0x7fff651f4ad0) at kernel/qapplication.cpp:4358
#25 0x00007f97df56eb0e in QApplication::notify (this=0xee2d00, receiver=0x3343dd0, e=0x7fff651f4ad0) at kernel/qapplication.cpp:3923
#26 0x00007f97e10aff16 in KApplication::notify (this=0xee2d00, receiver=0x3343dd0, event=0x7fff651f4ad0) at ../../kdeui/kernel/kapplication.cpp:302
#27 0x00007f97e03fb87c in QCoreApplication::notifyInternal (this=0xee2d00, receiver=0x3343dd0, event=0x7fff651f4ad0) at kernel/qcoreapplication.cpp:732
#28 0x00007f97df56d5be in QCoreApplication::sendEvent (receiver=0x3343dd0, event=0x7fff651f4ad0, alienWidget=0x0, nativeWidget=0x3343dd0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#29 QApplicationPrivate::sendMouseEvent (receiver=0x3343dd0, event=0x7fff651f4ad0, alienWidget=0x0, nativeWidget=0x3343dd0, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, 
    spontaneous=true) at kernel/qapplication.cpp:3023
#30 0x00007f97df5efeed in QETWidget::translateMouseEvent (this=0x3343dd0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4337
#31 0x00007f97df5ee3bc in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff651f53f0) at kernel/qapplication_x11.cpp:3536
#32 0x00007f97df61a482 in x11EventSourceDispatch (s=0xef4690, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#33 0x00007f97d7aac8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#34 0x00007f97d7ab0748 in ?? () from /lib/libglib-2.0.so.0
#35 0x00007f97d7ab08fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#36 0x00007f97e0427973 in QEventDispatcherGlib::processEvents (this=0xec6790, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#37 0x00007f97df619dee in QGuiEventDispatcherGlib::processEvents (this=0x7fff651f39d0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#38 0x00007f97e03fa5b2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#39 0x00007f97e03fa98c in QEventLoop::exec (this=0x7fff651f5720, flags=) at kernel/qeventloop.cpp:201
#40 0x00007f97df9be9e5 in QMenu::exec (this=0x3343dd0, p=<value optimized out>, action=0x0) at widgets/qmenu.cpp:2064
#41 0x00007f97dfa04de3 in QToolButtonPrivate::popupTimerDone (this=0x3958740) at widgets/qtoolbutton.cpp:955
#42 0x00007f97dfa056a1 in QToolButton::qt_metacall (this=0x399f980, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff651f5a30) at .moc/release-shared/moc_qtoolbutton.cpp:114
#43 0x00007f97e0413597 in QMetaObject::activate (sender=0x399f980, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x241bae8) at kernel/qobject.cpp:3280
#44 0x00007f97df9332ee in QAbstractButtonPrivate::emitPressed (this=0x3958740) at widgets/qabstractbutton.cpp:560
#45 0x00007f97df9334cc in QAbstractButton::mousePressEvent (this=0x399f980, e=0x7fff651f6450) at widgets/qabstractbutton.cpp:1096
#46 0x00007f97dfa05f2a in QToolButton::mousePressEvent (this=0x399f980, e=0x7fff651f6450) at widgets/qtoolbutton.cpp:712
#47 0x00007f97df5be185 in QWidget::event (this=0x399f980, event=0x7fff651f6450) at kernel/qwidget.cpp:8093
#48 0x00007f97df56884c in QApplicationPrivate::notify_helper (this=0xef0f70, receiver=0x399f980, e=0x7fff651f6450) at kernel/qapplication.cpp:4358
#49 0x00007f97df56eb0e in QApplication::notify (this=0xee2d00, receiver=0x399f980, e=0x7fff651f6450) at kernel/qapplication.cpp:3923
#50 0x00007f97e10aff16 in KApplication::notify (this=0xee2d00, receiver=0x399f980, event=0x7fff651f6450) at ../../kdeui/kernel/kapplication.cpp:302
#51 0x00007f97e03fb87c in QCoreApplication::notifyInternal (this=0xee2d00, receiver=0x399f980, event=0x7fff651f6450) at kernel/qcoreapplication.cpp:732
#52 0x00007f97df56d5be in QCoreApplication::sendEvent (receiver=0x399f980, event=0x7fff651f6450, alienWidget=0x399f980, nativeWidget=0x3014420, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#53 QApplicationPrivate::sendMouseEvent (receiver=0x399f980, event=0x7fff651f6450, alienWidget=0x399f980, nativeWidget=0x3014420, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:3023
#54 0x00007f97df5efa75 in QETWidget::translateMouseEvent (this=0x3014420, event=<value optimized out>) at kernel/qapplication_x11.cpp:4403
#55 0x00007f97df5ee3bc in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fff651f6d70) at kernel/qapplication_x11.cpp:3536
#56 0x00007f97df61a482 in x11EventSourceDispatch (s=0xef4690, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#57 0x00007f97d7aac8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#58 0x00007f97d7ab0748 in ?? () from /lib/libglib-2.0.so.0
#59 0x00007f97d7ab08fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#60 0x00007f97e0427973 in QEventDispatcherGlib::processEvents (this=0xec6790, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#61 0x00007f97df619dee in QGuiEventDispatcherGlib::processEvents (this=0x7fff651f39d0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#62 0x00007f97e03fa5b2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#63 0x00007f97e03fa98c in QEventLoop::exec (this=0x7fff651f70a0, flags=) at kernel/qeventloop.cpp:201
#64 0x00007f97e03fea3b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#65 0x00007f97e307d6f6 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#66 0x00007f97e2cddc4d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fff651f7468) at libc-start.c:226
#67 0x00000000004006c9 in _start ()

This bug may be a duplicate of or related to bug 240871, bug 240898.

Possible duplicates by query: bug 241680, bug 240898, bug 240871.

Reported using DrKonqi