Bug 222074

Application: plasma-desktop (0.3)
KDE Platform Version: 4.3.90 (KDE 4.3.90 (KDE 4.4 RC1))
Qt Version: 4.6.0
Operating System: Linux 2.6.31-17-generic i686
Distribution: Ubuntu 9.10

-- Information about the crash:
After upgrading to Kubuntu's KDE SC 4.4 RC1, had a new panel. Closed it and plasma crashed

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb76e7700 (LWP 1602))]

Thread 3 (Thread 0xaa272b70 (LWP 1606)):
#0  0x00a2f422 in __kernel_vsyscall ()
#1  0x00119e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x00fe9307 in QWaitConditionPrivate::wait (this=0x9302380, mutex=0x930237c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (this=0x9302380, mutex=0x930237c, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#4  0x01280102 in QHostInfoAgent::run (this=0x9302370) at kernel/qhostinfo.cpp:252
#5  0x00fe83ae in QThreadPrivate::start (arg=0x9302370) at thread/qthread_unix.cpp:244
#6  0x0011580e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0x00eb08de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xa6b2eb70 (LWP 1720)):
#0  0x00a2f422 in __kernel_vsyscall ()
#1  0x00119e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x01f88bb7 in WTF::TCMalloc_PageHeap::scavengerThread (this=0x20621a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2304
#3  0x01f88c01 in WTF::TCMalloc_PageHeap::runScavengerThread (context=0x20621a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1438
#4  0x0011580e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0x00eb08de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb76e7700 (LWP 1602)):
[KCrash Handler]
#6  0x051b322a in QGraphicsItem::isPanel (this=0x87537f8) at graphicsview/qgraphicsitem.cpp:1626
#7  0x04b5819c in QApplicationPrivate::notify_helper (this=0x86b1878, receiver=0x87537f8, e=0xbfb38744) at kernel/qapplication.cpp:4242
#8  0x04b5edf7 in QApplication::notify (this=0x86ab178, receiver=0x87537f8, e=0xbfb38744) at kernel/qapplication.cpp:3661
#9  0x00c0d67a in KApplication::notify (this=0x86ab178, receiver=0x87537f8, event=0xbfb38744) at ../../kdeui/kernel/kapplication.cpp:302
#10 0x010e9eab in QCoreApplication::notifyInternal (this=0x86ab178, receiver=0x87537f8, event=0xbfb38744) at kernel/qcoreapplication.cpp:704
#11 0x04b6691e in QCoreApplication::sendEvent (receiver=0x87537f8, event=0x8757060) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#12 0x0521b38c in QGraphicsView::viewportEvent (this=0x8dc4318, event=0xbfb38744) at graphicsview/qgraphicsview.cpp:2651
#13 0x0504a5e5 in QAbstractScrollAreaPrivate::viewportEvent (this=0x95364a0, o=0x95468d8, e=0xbfb38744) at widgets/qabstractscrollarea_p.h:100
#14 QAbstractScrollAreaFilter::eventFilter (this=0x95364a0, o=0x95468d8, e=0xbfb38744) at widgets/qabstractscrollarea_p.h:116
#15 0x010e914a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x86b1878, receiver=0x95468d8, event=0xbfb38744) at kernel/qcoreapplication.cpp:819
#16 0x04b58179 in QApplicationPrivate::notify_helper (this=0x86b1878, receiver=0x95468d8, e=0xbfb38744) at kernel/qapplication.cpp:4238
#17 0x04b5eeb7 in QApplication::notify (this=0x86ab178, receiver=0x95468d8, e=0xbfb38744) at kernel/qapplication.cpp:4207
#18 0x00c0d67a in KApplication::notify (this=0x86ab178, receiver=0x95468d8, event=0xbfb38744) at ../../kdeui/kernel/kapplication.cpp:302
#19 0x010e9eab in QCoreApplication::notifyInternal (this=0x86ab178, receiver=0x95468d8, event=0xbfb38744) at kernel/qcoreapplication.cpp:704
#20 0x04bb5a4d in QCoreApplication::sendEvent (this=0x8dc4318, event=0xbfb38744) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#21 QWidget::event (this=0x8dc4318, event=0xbfb38744) at kernel/qwidget.cpp:8230
#22 0x04fae433 in QFrame::event (this=0x8dc4318, e=0xbfb38744) at widgets/qframe.cpp:557
#23 0x05048707 in QAbstractScrollArea::event (this=0x8dc4318, e=0xbfb38744) at widgets/qabstractscrollarea.cpp:985
#24 0x0521e1e6 in QGraphicsView::event (this=0x8dc4318, event=0xbfb38744) at graphicsview/qgraphicsview.cpp:2625
#25 0x04b5819c in QApplicationPrivate::notify_helper (this=0x86b1878, receiver=0x8dc4318, e=0xbfb38744) at kernel/qapplication.cpp:4242
#26 0x04b5eeb7 in QApplication::notify (this=0x86ab178, receiver=0x8dc4318, e=0xbfb38744) at kernel/qapplication.cpp:4207
#27 0x00c0d67a in KApplication::notify (this=0x86ab178, receiver=0x8dc4318, event=0xbfb38744) at ../../kdeui/kernel/kapplication.cpp:302
#28 0x010e9eab in QCoreApplication::notifyInternal (this=0x86ab178, receiver=0x8dc4318, event=0xbfb38744) at kernel/qcoreapplication.cpp:704
#29 0x04b62496 in QCoreApplication::sendSpontaneousEvent (act=0x8dc4318) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#30 QApplication::setActiveWindow (act=0x8dc4318) at kernel/qapplication.cpp:2441
#31 0x04be6b57 in QApplication::x11ProcessEvent (this=0x86ab178, event=0xbfb38b1c) at kernel/qapplication_x11.cpp:3420
#32 0x04c1604a in x11EventSourceDispatch (s=0x86b38f8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0x0355de88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#34 0x03561730 in ?? () from /lib/libglib-2.0.so.0
#35 0x03561863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#36 0x01115bd5 in QEventDispatcherGlib::processEvents (this=0x86b0750, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#37 0x04c15b75 in QGuiEventDispatcherGlib::processEvents (this=0x86b0750, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#38 0x010e84c9 in QEventLoop::processEvents (this=0xbfb38e14, flags=) at kernel/qeventloop.cpp:149
#39 0x010e891a in QEventLoop::exec (this=0xbfb38e14, flags=...) at kernel/qeventloop.cpp:201
#40 0x010ecb0f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#41 0x04b58237 in QApplication::exec () at kernel/qapplication.cpp:3570
#42 0x057e9c7e in kdemain (argc=1, argv=0x86a2508) at ../../../../plasma/desktop/shell/main.cpp:112
#43 0x0804dff7 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x869f740 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051429 "0") at ../../kinit/kinit.cpp:706
#44 0x0804ec15 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1198
#45 0x0804f08c in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1391
#46 0x0804fe27 in main (argc=4, argv=0xbfb398c4, envp=0xbfb398d8) at ../../kinit/kinit.cpp:1830

This bug may be a duplicate of or related to bug 221042.

Possible duplicates by query: bug 221042, bug 219645, bug 218520, bug 215887.

Reported using DrKonqi