Bug 256238

Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.2 (KDE 4.5.2)
Qt Version: 4.7.0
Operating System: Linux 2.6.35.6-48.fc14.x86_64 x86_64
Distribution: "Fedora release 14 (Laughlin)"

-- Information about the crash:
- What I was doing when the application crashed:
Attempting to drop an Opera icon directly onto the panel.

- Unusual behavior I noticed:
Plasma crashed and restarted

- Custom settings of the application:
Using Fragile theme from KDE-Look.org

-- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f004cb65880 (LWP 20935))]

Thread 2 (Thread 0x7f002cd8a700 (LWP 20978)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x0000003613393ce4 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x36136abd80) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x0000003613393d19 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x36136b9e54) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00000035f6606d5b in start_thread (arg=0x7f002cd8a700) at pthread_create.c:301
#4  0x00000035f5ae427d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f004cb65880 (LWP 20935)):
[KCrash Handler]
#6  QUrl::QUrl (this=0x7fff12a94890, other=...) at io/qurl.cpp:4158
#7  0x00007f004f90ae89 in KUrl::KUrl (this=0x7fff12a94890, _u=<value optimized out>) at /usr/src/debug/kdelibs-4.5.2/kdecore/io/kurl.cpp:472
#8  0x00007f00506a51a0 in KFileItem::url (this=<value optimized out>) at /usr/src/debug/kdelibs-4.5.2/kio/kio/kfileitem.cpp:1302
#9  0x00007f003a866087 in QuickAccess::dropEvent (this=<value optimized out>, event=<value optimized out>) at /home/neil/Downloads/plasma-widget-quickaccess-0.8.1/quickaccess.cpp:319
#10 0x0000003603577844 in QGraphicsItem::sceneEvent (this=0x18dff30, event=0x7fff12a95040) at graphicsview/qgraphicsitem.cpp:6651
#11 0x00000036035a0f2c in QGraphicsScenePrivate::sendDragDropEvent (this=0x173e580, item=0x18dff30, dragDropEvent=0x7fff12a95040) at graphicsview/qgraphicsscene.cpp:1240
#12 0x00000036035a0f6c in QGraphicsScene::dropEvent (this=<value optimized out>, event=<value optimized out>) at graphicsview/qgraphicsscene.cpp:3739
#13 0x00000036035b2d1f in QGraphicsScene::event (this=0x1722420, event=0x7fff12a95040) at graphicsview/qgraphicsscene.cpp:3395
#14 0x0000003602fb4b64 in QApplicationPrivate::notify_helper (this=0x160eee0, receiver=0x1722420, e=0x7fff12a95040) at kernel/qapplication.cpp:4396
#15 0x0000003602fb95da in QApplication::notify (this=<value optimized out>, receiver=0x1722420, e=0x7fff12a95040) at kernel/qapplication.cpp:4277
#16 0x00007f004fec7416 in KApplication::notify (this=0x15f39f0, receiver=0x1722420, event=0x7fff12a95040) at /usr/src/debug/kdelibs-4.5.2/kdeui/kernel/kapplication.cpp:310
#17 0x000000360035b7ac in QCoreApplication::notifyInternal (this=0x15f39f0, receiver=0x1722420, event=0x7fff12a95040) at kernel/qcoreapplication.cpp:732
#18 0x00000036035c556a in sendEvent (this=<value optimized out>, event=0x7fff12a95930) at ../../src/corelib/kernel/qcoreapplication.h:215
#19 QGraphicsView::dropEvent (this=<value optimized out>, event=0x7fff12a95930) at graphicsview/qgraphicsview.cpp:2908
#20 0x00007f0051911dd9 in PanelView::dropEvent (this=0x227dd50, event=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.5.2/plasma/desktop/shell/panelview.cpp:1781
#21 0x0000003603006581 in QWidget::event (this=0x227dd50, event=0x7fff12a95930) at kernel/qwidget.cpp:8377
#22 0x00000036033aa386 in QFrame::event (this=0x227dd50, e=0x7fff12a95930) at widgets/qframe.cpp:557
#23 0x00000036035cd82b in QGraphicsView::viewportEvent (this=0x227dd50, event=0x7fff12a95930) at graphicsview/qgraphicsview.cpp:2862
#24 0x000000360035b937 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x19d8ec0, event=0x7fff12a95930) at kernel/qcoreapplication.cpp:847
#25 0x0000003602fb4b31 in QApplicationPrivate::notify_helper (this=0x160eee0, receiver=0x19d8ec0, e=0x7fff12a95930) at kernel/qapplication.cpp:4392
#26 0x0000003602fb984b in QApplication::notify (this=<value optimized out>, receiver=<value optimized out>, e=0x7fff12a95930) at kernel/qapplication.cpp:4202
#27 0x00007f004fec7416 in KApplication::notify (this=0x15f39f0, receiver=0x19d8ec0, event=0x7fff12a95930) at /usr/src/debug/kdelibs-4.5.2/kdeui/kernel/kapplication.cpp:310
#28 0x000000360035b7ac in QCoreApplication::notifyInternal (this=0x15f39f0, receiver=0x19d8ec0, event=0x7fff12a95930) at kernel/qcoreapplication.cpp:732
#29 0x000000360303cc4a in sendEvent (this=<value optimized out>, xe=<value optimized out>, passive=<value optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:215
#30 QX11Data::xdndHandleDrop (this=<value optimized out>, xe=<value optimized out>, passive=<value optimized out>) at kernel/qdnd_x11.cpp:1183
#31 0x000000360303dd60 in QDragManager::drop (this=0x206d4b0) at kernel/qdnd_x11.cpp:1725
#32 0x00000036030408f8 in QDragManager::eventFilter (this=0x206d4b0, o=<value optimized out>, e=<value optimized out>) at kernel/qdnd_x11.cpp:1312
#33 0x000000360035b87b in QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=0x160eee0, receiver=0x201dc70, event=0x7fff12a96240) at kernel/qcoreapplication.cpp:828
#34 0x0000003602fb4ad6 in QApplicationPrivate::notify_helper (this=0x160eee0, receiver=0x201dc70, e=0x7fff12a96240) at kernel/qapplication.cpp:4371
#35 0x0000003602fb9e5a in QApplication::notify (this=<value optimized out>, receiver=0x201dc70, e=0x7fff12a96240) at kernel/qapplication.cpp:3959
#36 0x00007f004fec7416 in KApplication::notify (this=0x15f39f0, receiver=0x201dc70, event=0x7fff12a96240) at /usr/src/debug/kdelibs-4.5.2/kdeui/kernel/kapplication.cpp:310
#37 0x000000360035b7ac in QCoreApplication::notifyInternal (this=0x15f39f0, receiver=0x201dc70, event=0x7fff12a96240) at kernel/qcoreapplication.cpp:732
#38 0x0000003602fb5b65 in sendEvent (receiver=0x201dc70, event=0x7fff12a96240, alienWidget=0x0, nativeWidget=0x201dc70, buttonDown=0x3603a82658, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:215
#39 QApplicationPrivate::sendMouseEvent (receiver=0x201dc70, event=0x7fff12a96240, alienWidget=0x0, nativeWidget=0x201dc70, buttonDown=0x3603a82658, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3058
#40 0x0000003603032d68 in QETWidget::translateMouseEvent (this=0x201dc70, event=<value optimized out>) at kernel/qapplication_x11.cpp:4403
#41 0x00000036030314b9 in QApplication::x11ProcessEvent (this=0x15f39f0, event=0x7fff12a96b90) at kernel/qapplication_x11.cpp:3536
#42 0x0000003603058a52 in x11EventSourceDispatch (s=0x1612720, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#43 0x00000035f8641e33 in g_main_dispatch (context=0x1611520) at gmain.c:2149
#44 g_main_context_dispatch (context=0x1611520) at gmain.c:2702
#45 0x00000035f8642610 in g_main_context_iterate (context=0x1611520, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2780
#46 0x00000035f86428ad in g_main_context_iteration (context=0x1611520, may_block=1) at gmain.c:2843
#47 0x00000036003868af in QEventDispatcherGlib::processEvents (this=0x15d9de0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#48 0x00000036030586ee in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#49 0x000000360035ab42 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#50 0x000000360035ad8c in QEventLoop::exec (this=0x1fcc280, flags=...) at kernel/qeventloop.cpp:201
#51 0x000000360304060e in QDragManager::drag (this=0x206d4b0, o=<value optimized out>) at kernel/qdnd_x11.cpp:1981
#52 0x0000003602fc6978 in QDrag::exec (this=0x25100a0, supportedActions=..., defaultDropAction=Qt::IgnoreAction) at kernel/qdrag.cpp:284
#53 0x0000003602fc6a33 in QDrag::exec (this=<value optimized out>, supportedActions=<value optimized out>) at kernel/qdrag.cpp:239
#54 0x00007f003b381d50 in Kickoff::FlipScrollView::startDrag (this=0x1f25c90, supportedActions=...) at /usr/src/debug/kdebase-workspace-4.5.2/plasma/desktop/applets/kickoff/ui/flipscrollview.cpp:716
#55 0x00000036034c35d1 in QAbstractItemView::mouseMoveEvent (this=0x1f25c90, event=<value optimized out>) at itemviews/qabstractitemview.cpp:1700
#56 0x00007f003b37d054 in Kickoff::FlipScrollView::mouseMoveEvent (this=0x1f25c90, event=0x7fff12a98090) at /usr/src/debug/kdebase-workspace-4.5.2/plasma/desktop/applets/kickoff/ui/flipscrollview.cpp:518
#57 0x000000360300625c in QWidget::event (this=0x1f25c90, event=0x7fff12a98090) at kernel/qwidget.cpp:8172
#58 0x00000036033aa386 in QFrame::event (this=0x1f25c90, e=0x7fff12a98090) at widgets/qframe.cpp:557
#59 0x00000036034bac53 in QAbstractItemView::viewportEvent (this=0x1f25c90, event=0x7fff12a98090) at itemviews/qabstractitemview.cpp:1619
#60 0x000000360035b937 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x1f21b40, event=0x7fff12a98090) at kernel/qcoreapplication.cpp:847
#61 0x0000003602fb4b31 in QApplicationPrivate::notify_helper (this=0x160eee0, receiver=0x1f21b40, e=0x7fff12a98090) at kernel/qapplication.cpp:4392
#62 0x0000003602fb9e5a in QApplication::notify (this=<value optimized out>, receiver=0x1f21b40, e=0x7fff12a98090) at kernel/qapplication.cpp:3959
#63 0x00007f004fec7416 in KApplication::notify (this=0x15f39f0, receiver=0x1f21b40, event=0x7fff12a98090) at /usr/src/debug/kdelibs-4.5.2/kdeui/kernel/kapplication.cpp:310
#64 0x000000360035b7ac in QCoreApplication::notifyInternal (this=0x15f39f0, receiver=0x1f21b40, event=0x7fff12a98090) at kernel/qcoreapplication.cpp:732
#65 0x0000003602fb5b65 in sendEvent (receiver=0x1f21b40, event=0x7fff12a98090, alienWidget=0x1f21b40, nativeWidget=0x1f9f400, buttonDown=0x3603a82658, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:215
#66 QApplicationPrivate::sendMouseEvent (receiver=0x1f21b40, event=0x7fff12a98090, alienWidget=0x1f21b40, nativeWidget=0x1f9f400, buttonDown=0x3603a82658, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3058
#67 0x0000003603032d68 in QETWidget::translateMouseEvent (this=0x1f9f400, event=<value optimized out>) at kernel/qapplication_x11.cpp:4403
#68 0x00000036030314b9 in QApplication::x11ProcessEvent (this=0x15f39f0, event=0x7fff12a989e0) at kernel/qapplication_x11.cpp:3536
#69 0x0000003603058a52 in x11EventSourceDispatch (s=0x1612720, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#70 0x00000035f8641e33 in g_main_dispatch (context=0x1611520) at gmain.c:2149
#71 g_main_context_dispatch (context=0x1611520) at gmain.c:2702
#72 0x00000035f8642610 in g_main_context_iterate (context=0x1611520, block=1, dispatch=1, self=<value optimized out>) at gmain.c:2780
#73 0x00000035f86428ad in g_main_context_iteration (context=0x1611520, may_block=1) at gmain.c:2843
#74 0x00000036003868af in QEventDispatcherGlib::processEvents (this=0x15d9de0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#75 0x00000036030586ee in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#76 0x000000360035ab42 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#77 0x000000360035ad8c in QEventLoop::exec (this=0x7fff12a98cf0, flags=...) at kernel/qeventloop.cpp:201
#78 0x000000360035f20b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#79 0x00007f005190d02b in kdemain (argc=1, argv=0x7fff12a990d8) at /usr/src/debug/kdebase-workspace-4.5.2/plasma/desktop/shell/main.cpp:118
#80 0x00000035f5a1ee7d in __libc_start_main (main=0x400920 <main(int, char**)>, argc=1, ubp_av=0x7fff12a990d8, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff12a990c8) at libc-start.c:226
#81 0x0000000000400849 in _start ()

This bug may be a duplicate of or related to bug 250839.

Possible duplicates by query: bug 250861, bug 250839, bug 248085, bug 246302, bug 227997.

Reported using DrKonqi