[Bug 194520] New: Plasma crashes with SIGSEGV

Zdeněk Zikán zdenek.zikan at gmail.com
Fri May 29 09:29:38 BST 2009 

https://bugs.kde.org/show_bug.cgi?id=194520

           Summary: Plasma crashes with SIGSEGV
           Product: kde
           Version: unspecified
          Platform: Unlisted Binaries
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: zdenek.zikan at gmail.com


Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.85 (KDE 4.2.85 (KDE 4.3 Beta1))
Qt Version: 4.5.1
Operating System: Linux 2.6.28-12-generic i686
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 0 (LWP 3177)]

Thread 2 (Thread 0xa88ebb90 (LWP 3247)):
#0  0xb806a430 in __kernel_vsyscall ()
#1  0xb518e0e5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/tls/i686/cmov/libpthread.so.0
#2  0xb63872ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb656b5b2 in QWaitCondition::wait (this=0x8e234b0, mutex=0x8e234ac,
time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb79c9ae2 in QHostInfoAgent::run (this=0x8e234a0) at
kernel/qhostinfo.cpp:260
#5  0xb656a56e in QThreadPrivate::start (arg=0x8e234a0) at
thread/qthread_unix.cpp:189
#6  0xb518a4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb637849e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb4cc0710 (LWP 3177)):
[KCrash Handler]
#6  TaskManager::Task::window (this=0xa197740) at
/build/buildd/kdebase-workspace-4.2.85/libs/taskmanager/task.cpp:356
#7  0xb666ef0f in QObject::event (this=0xa197740, e=0x0) at
kernel/qobject.cpp:1082
#8  0xb6f72257 in QGraphicsWidget::event (this=0xa197740, event=0xbfb85dac) at
graphicsview/qgraphicswidget.cpp:1340
#9  0xb68e9bcc in QApplicationPrivate::notify_helper (this=0x8786f70,
receiver=0xa197740, e=0xbfb85dac) at kernel/qapplication.cpp:4057
#10 0xb68f1ede in QApplication::notify (this=0x877f238, receiver=0xa197740,
e=0xbfb85dac) at kernel/qapplication.cpp:3604
#11 0xb774bc9d in KApplication::notify (this=0x877f238, receiver=0xa197740,
event=0xbfb85dac) at
/build/buildd/kde4libs-4.2.85/kdeui/kernel/kapplication.cpp:307
#12 0xb665e7ab in QCoreApplication::notifyInternal (this=0x877f238,
receiver=0xa197740, event=0xbfb85dac) at kernel/qcoreapplication.cpp:610
#13 0xb668db31 in QTimerInfoList::activateTimers (this=0x8789d34) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#14 0xb668a280 in timerSourceDispatch (source=0x8789d00) at
kernel/qeventdispatcher_glib.cpp:164
#15 0xb4f88b88 in IA__g_main_context_dispatch (context=0x87897e8) at
/build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#16 0xb4f8c0eb in g_main_context_iterate (context=0x87897e8, block=1,
dispatch=1, self=0x87858b8) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#17 0xb4f8c268 in IA__g_main_context_iteration (context=0x87897e8, may_block=1)
at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#18 0xb668a1d8 in QEventDispatcherGlib::processEvents (this=0x8786610, flags={i
= -1078436056}) at kernel/qeventdispatcher_glib.cpp:324
#19 0xb698b765 in QGuiEventDispatcherGlib::processEvents (this=0x8786610,
flags={i = -1078436008}) at kernel/qguieventdispatcher_glib.cpp:202
#20 0xb665cdda in QEventLoop::processEvents (this=0xbfb85fcc, flags={i =
-1078435944}) at kernel/qeventloop.cpp:149
#21 0xb665d21a in QEventLoop::exec (this=0xbfb85fcc, flags={i = -1078435884})
at kernel/qeventloop.cpp:200
#22 0xb6d6bd11 in QMenu::exec (this=0xbfb86014, p=@0xbfb8606c, action=0x0) at
widgets/qmenu.cpp:1993
#23 0xb7e6d17c in Plasma::ContainmentPrivate::showContextMenu (this=0x8b036a0,
point=@0xbfb86058, screenPos=@0xbfb8606c, includeApplet=true)
    at /build/buildd/kde4libs-4.2.85/plasma/containment.cpp:631
#24 0xb7e6d275 in Plasma::Containment::contextMenuEvent (this=0x8af43c8,
event=0xbfb865bc) at /build/buildd/kde4libs-4.2.85/plasma/containment.cpp:502
#25 0xb6f22178 in QGraphicsItem::sceneEvent (this=0x8af43d0, event=0xbfb865bc)
at graphicsview/qgraphicsitem.cpp:4981
#26 0xb6f7258f in QGraphicsWidget::sceneEvent (this=0x8af43c8,
event=0xbfb865bc) at graphicsview/qgraphicswidget.cpp:1110
#27 0xb6f4781c in QGraphicsScenePrivate::sendEvent (this=0x8836418,
item=0x8af43d0, event=0xbfb865bc) at graphicsview/qgraphicsscene.cpp:1159
#28 0xb6f5417f in QGraphicsScene::contextMenuEvent (this=0x88385f0,
contextMenuEvent=0xbfb865bc) at graphicsview/qgraphicsscene.cpp:3961
#29 0xb6f5512a in QGraphicsScene::event (this=0x88385f0, event=0xbfb865bc) at
graphicsview/qgraphicsscene.cpp:3771
#30 0xb68e9bcc in QApplicationPrivate::notify_helper (this=0x8786f70,
receiver=0x88385f0, e=0xbfb865bc) at kernel/qapplication.cpp:4057
#31 0xb68f1ede in QApplication::notify (this=0x877f238, receiver=0x88385f0,
e=0xbfb865bc) at kernel/qapplication.cpp:3604
#32 0xb774bc9d in KApplication::notify (this=0x877f238, receiver=0x88385f0,
event=0xbfb865bc) at
/build/buildd/kde4libs-4.2.85/kdeui/kernel/kapplication.cpp:307
#33 0xb665e7ab in QCoreApplication::notifyInternal (this=0x877f238,
receiver=0x88385f0, event=0xbfb865bc) at kernel/qcoreapplication.cpp:610
#34 0xb6f620e6 in QGraphicsView::contextMenuEvent (this=0x8e57210,
event=0xbfb86bb0) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#35 0xb6940fac in QWidget::event (this=0x8e57210, event=0xbfb86bb0) at
kernel/qwidget.cpp:7680
#36 0xb6d1e2c3 in QFrame::event (this=0x8e57210, e=0xbfb86bb0) at
widgets/qframe.cpp:559
#37 0xb6dbe33f in QAbstractScrollArea::viewportEvent (this=0x8e57210,
e=0xbfb848e0) at widgets/qabstractscrollarea.cpp:962
#38 0xb6f676b2 in QGraphicsView::viewportEvent (this=0x8e57210,
event=0xbfb86bb0) at graphicsview/qgraphicsview.cpp:2897
#39 0xb6dc0945 in QAbstractScrollAreaFilter::eventFilter (this=0x8f7c448,
o=0x8fac1f0, e=0xbfb86bb0) at widgets/qabstractscrollarea_p.h:100
#40 0xb665d9ca in QCoreApplicationPrivate::sendThroughObjectEventFilters
(this=0x8786f70, receiver=0x8fac1f0, event=0xbfb86bb0) at
kernel/qcoreapplication.cpp:726
#41 0xb68e9baa in QApplicationPrivate::notify_helper (this=0x8786f70,
receiver=0x8fac1f0, e=0xbfb86bb0) at kernel/qapplication.cpp:4053
#42 0xb68f241d in QApplication::notify (this=0x877f238, receiver=0x8fac1f0,
e=0xbfb86bb0) at kernel/qapplication.cpp:3846
#43 0xb774bc9d in KApplication::notify (this=0x877f238, receiver=0x8fac1f0,
event=0xbfb86bb0) at
/build/buildd/kde4libs-4.2.85/kdeui/kernel/kapplication.cpp:307
#44 0xb665e7ab in QCoreApplication::notifyInternal (this=0x877f238,
receiver=0x8fac1f0, event=0xbfb86bb0) at kernel/qcoreapplication.cpp:610
#45 0xb68f4d2e in QCoreApplication::sendSpontaneousEvent (receiver=0x8fac1f0,
event=0xbfb848e0) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#46 0xb69622d7 in QETWidget::translateMouseEvent (this=0x8e57210,
event=0xbfb8821c) at kernel/qapplication_x11.cpp:4454
#47 0xb6960ead in QApplication::x11ProcessEvent (this=0x877f238,
event=0xbfb8821c) at kernel/qapplication_x11.cpp:3444
#48 0xb698c06a in x11EventSourceDispatch (s=0x87898b0, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#49 0xb4f88b88 in IA__g_main_context_dispatch (context=0x87897e8) at
/build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#50 0xb4f8c0eb in g_main_context_iterate (context=0x87897e8, block=1,
dispatch=1, self=0x87858b8) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#51 0xb4f8c268 in IA__g_main_context_iteration (context=0x87897e8, may_block=1)
at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#52 0xb668a1d8 in QEventDispatcherGlib::processEvents (this=0x8786610, flags={i
= -1078426664}) at kernel/qeventdispatcher_glib.cpp:324
#53 0xb698b765 in QGuiEventDispatcherGlib::processEvents (this=0x8786610,
flags={i = -1078426616}) at kernel/qguieventdispatcher_glib.cpp:202
#54 0xb665cdda in QEventLoop::processEvents (this=0xbfb88480, flags={i =
-1078426552}) at kernel/qeventloop.cpp:149
#55 0xb665d21a in QEventLoop::exec (this=0xbfb88480, flags={i = -1078426488})
at kernel/qeventloop.cpp:200
#56 0xb665f6c9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#57 0xb68e9a47 in QApplication::exec () at kernel/qapplication.cpp:3526
#58 0xb8008290 in kdemain (argc=1, argv=0xbfb88634) at
/build/buildd/kdebase-workspace-4.2.85/plasma/shells/desktop/main.cpp:50
#59 0x08048712 in main (argc=0, argv=0x0) at
/build/buildd/kdebase-workspace-4.2.85/obj-i486-linux-gnu/plasma/shells/desktop/plasma-desktop_dummy.cpp:3

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