Bug 259763

Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-22-generic x86_64
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:
Started "instal firefox"
- Unusual behavior I noticed:
Cursor changed, like I was dragging "internet" menu item from "applications".

-- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f32f86ba780 (LWP 1746))]

Thread 3 (Thread 0x7f32dc833710 (LWP 1747)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f32f299b334 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f32f2ca6160) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007f32f299b369 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7f32f2cb4234) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007f32f52ca971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#4  0x00007f32f7fcc94d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f32d804c710 (LWP 1748)):
#0  0x00007f32f7fc0203 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f32ecc3e009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f32ecc3e45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f32f56751e6 in QEventDispatcherGlib::processEvents (this=0x7f32d00008b0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007f32f5647a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f32f5647dec in QEventLoop::exec (this=0x7f32d804bd90, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f32f55522fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007f32f56275f8 in QInotifyFileSystemWatcherEngine::run (this=0x25be970) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f32f555527e in QThreadPrivate::start (arg=0x25be970) at thread/qthread_unix.cpp:266
#9  0x00007f32f52ca971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#10 0x00007f32f7fcc94d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f32f86ba780 (LWP 1746)):
[KCrash Handler]
#6  QDragManager::move (this=0x3797420, globalPos=<value optimized out>) at kernel/qdnd_x11.cpp:1658
#7  0x00007f32f482c939 in QDragManager::eventFilter (this=0x7f32f8264e40, o=<value optimized out>, e=0x0) at kernel/qdnd_x11.cpp:1306
#8  0x00007f32f479a123 in QApplication::notify (this=<value optimized out>, receiver=0x37b1580, e=0x7fffda29da60) at kernel/qapplication.cpp:3953
#9  0x00007f32f62e4156 in KApplication::notify (this=0x1cf02d0, receiver=0x37b1580, event=0x7fffda29da60) at ../../kdeui/kernel/kapplication.cpp:310
#10 0x00007f32f5648cdc in QCoreApplication::notifyInternal (this=0x1cf02d0, receiver=0x37b1580, event=0x7fffda29da60) at kernel/qcoreapplication.cpp:732
#11 0x00007f32f4797dbe in sendEvent (receiver=0x37b1580, event=0x7fffda29da60, alienWidget=0x0, nativeWidget=0x37b1580, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#12 QApplicationPrivate::sendMouseEvent (receiver=0x37b1580, event=0x7fffda29da60, alienWidget=0x0, nativeWidget=0x37b1580, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:3058
#13 0x00007f32f481b345 in QETWidget::translateMouseEvent (this=0x37b1580, event=<value optimized out>) at kernel/qapplication_x11.cpp:4403
#14 0x00007f32f4819c5c in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffda29e380) at kernel/qapplication_x11.cpp:3536
#15 0x00007f32f48460e2 in x11EventSourceDispatch (s=0x1d02980, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#16 0x00007f32ecc3a342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#17 0x00007f32ecc3e2a8 in ?? () from /lib/libglib-2.0.so.0
#18 0x00007f32ecc3e45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#19 0x00007f32f5675193 in QEventDispatcherGlib::processEvents (this=0x1cd5070, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#20 0x00007f32f4845a4e in QGuiEventDispatcherGlib::processEvents (this=0x7f32f8264e40, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#21 0x00007f32f5647a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#22 0x00007f32f5647dec in QEventLoop::exec (this=0x34d5c40, flags=) at kernel/qeventloop.cpp:201
#23 0x00007f32f482d00b in QDragManager::drag (this=0x3797420, o=<value optimized out>) at kernel/qdnd_x11.cpp:1981
#24 0x00007f32f47a8f78 in QDrag::exec (this=0x2f29b00, supportedActions=) at kernel/qdrag.cpp:284
#25 0x00007f32f4ceb1d6 in QAbstractItemView::startDrag (this=0x2664720, supportedActions=<value optimized out>) at itemviews/qabstractitemview.cpp:3437
#26 0x00007f32d7630632 in Kickoff::FlipScrollView::startDrag (this=0x2664720, supportedActions=) at ../../../../../plasma/desktop/applets/kickoff/ui/flipscrollview.cpp:718
#27 0x00007f32f4ce8b1e in QAbstractItemView::mouseMoveEvent (this=0x2664720, event=<value optimized out>) at itemviews/qabstractitemview.cpp:1700
#28 0x00007f32d762fe64 in Kickoff::FlipScrollView::mouseMoveEvent (this=0x2664720, event=0x7fffda29f920) at ../../../../../plasma/desktop/applets/kickoff/ui/flipscrollview.cpp:518
#29 0x00007f32f47e8cab in QWidget::event (this=0x2664720, event=0x7fffda29f920) at kernel/qwidget.cpp:8172
#30 0x00007f32f4bb45e6 in QFrame::event (this=0x2664720, e=0x7fffda29f920) at widgets/qframe.cpp:557
#31 0x00007f32f4ceda8b in QAbstractItemView::viewportEvent (this=0x2664720, event=0x7fffda29f920) at itemviews/qabstractitemview.cpp:1619
#32 0x00007f32f5648507 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x2664140, event=0x7fffda29f920) at kernel/qcoreapplication.cpp:847
#33 0x00007f32f4792fac in QApplicationPrivate::notify_helper (this=0x1cff010, receiver=0x2664140, e=0x7fffda29f920) at kernel/qapplication.cpp:4392
#34 0x00007f32f479930e in QApplication::notify (this=0x1cf02d0, receiver=0x2664140, e=0x7fffda29f920) at kernel/qapplication.cpp:3959
#35 0x00007f32f62e4156 in KApplication::notify (this=0x1cf02d0, receiver=0x2664140, event=0x7fffda29f920) at ../../kdeui/kernel/kapplication.cpp:310
#36 0x00007f32f5648cdc in QCoreApplication::notifyInternal (this=0x1cf02d0, receiver=0x2664140, event=0x7fffda29f920) at kernel/qcoreapplication.cpp:732
#37 0x00007f32f4797dbe in sendEvent (receiver=0x2664140, event=0x7fffda29f920, alienWidget=0x2664140, nativeWidget=0x25f1770, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#38 QApplicationPrivate::sendMouseEvent (receiver=0x2664140, event=0x7fffda29f920, alienWidget=0x2664140, nativeWidget=0x25f1770, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:3058
#39 0x00007f32f481b345 in QETWidget::translateMouseEvent (this=0x25f1770, event=<value optimized out>) at kernel/qapplication_x11.cpp:4403
#40 0x00007f32f4819c5c in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffda2a0240) at kernel/qapplication_x11.cpp:3536
#41 0x00007f32f48460e2 in x11EventSourceDispatch (s=0x1d02980, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#42 0x00007f32ecc3a342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#43 0x00007f32ecc3e2a8 in ?? () from /lib/libglib-2.0.so.0
#44 0x00007f32ecc3e45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#45 0x00007f32f5675193 in QEventDispatcherGlib::processEvents (this=0x1cd5070, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#46 0x00007f32f4845a4e in QGuiEventDispatcherGlib::processEvents (this=0x7f32f8264e40, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#47 0x00007f32f5647a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#48 0x00007f32f5647dec in QEventLoop::exec (this=0x7fffda2a0570, flags=) at kernel/qeventloop.cpp:201
#49 0x00007f32f564bebb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#50 0x00007f32f82a3a56 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:118
#51 0x00007f32f7f04d8e 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=0x7fffda2a0938) at libc-start.c:226
#52 0x0000000000400669 in _start ()

This bug may be a duplicate of or related to bug 257747.

Possible duplicates by query: bug 259728, bug 257747, bug 257468, bug 256486, bug 256245.

Reported using DrKonqi