[Bug 195370] New: Plasma Task manager crash

[Jaromir Veber]

https://bugs.kde.org/show_bug.cgi?id=195370

           Summary: Plasma Task manager crash
           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: qvebj00 at vse.cz


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 2.6.30-8-generic x86_64
Distribution: Ubuntu karmic (development branch)

What I was doing when the application crashed:
Without a particular reason I saw the crash window and got this stack trace.

 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[KCrash Handler]
#5  TaskManager::Task::window (this=0x0) at
../../../libs/taskmanager/task.cpp:357
#6  0x00007fd319ccac4e in AbstractTaskItem::timerEvent (this=0x19afeb0,
event=<value optimized out>) at
../../../../plasma/applets/tasks/abstracttaskitem.cpp:403
#7  0x00007fd332894b83 in QObject::event (this=0x19afeb0, e=0x19b5030) at
kernel/qobject.cpp:1082
#8  0x00007fd33359510b in QGraphicsWidget::event (this=0x19afeb0,
event=0x7fffdf601050) at graphicsview/qgraphicswidget.cpp:1340
#9  0x00007fd332f8b3fc in QApplicationPrivate::notify_helper (this=0xf8dda0,
receiver=0x19afeb0, e=0x7fffdf601050) at kernel/qapplication.cpp:4057
#10 0x00007fd332f926ae in QApplication::notify (this=0xf7cb20,
receiver=0x19afeb0, e=0x7fffdf601050) at kernel/qapplication.cpp:4022
#11 0x00007fd33407a526 in KApplication::notify (this=0xf7cb20,
receiver=0x19afeb0, event=0x7fffdf601050) at
../../kdeui/kernel/kapplication.cpp:307
#12 0x00007fd3328853ec in QCoreApplication::notifyInternal (this=0xf7cb20,
receiver=0x19afeb0, event=0x7fffdf601050) at kernel/qcoreapplication.cpp:610
#13 0x00007fd3328b0d22 in QTimerInfoList::activateTimers (this=0xf915b0) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#14 0x00007fd3328ae7bd in timerSourceDispatch (source=<value optimized out>) at
kernel/qeventdispatcher_glib.cpp:164
#15 0x00007fd32d2198be in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#16 0x00007fd32d21cf98 in ?? () from /usr/lib/libglib-2.0.so.0
#17 0x00007fd32d21d0c0 in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#18 0x00007fd3328ae706 in QEventDispatcherGlib::processEvents (this=0xf63a50,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:324
#19 0x00007fd3330211de in QGuiEventDispatcherGlib::processEvents (this=0x0,
flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#20 0x00007fd332883cc2 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#21 0x00007fd332884094 in QEventLoop::exec (this=0x7fffdf6012f0, flags=) at
kernel/qeventloop.cpp:200
#22 0x00007fd332886189 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:888
#23 0x00007fd3358d521f in kdemain (argc=<value optimized out>, argv=<value
optimized out>) at ../../../../plasma/shells/desktop/main.cpp:50
#24 0x00007fd3355455e6 in __libc_start_main (main=0x400730 <main>, argc=1,
ubp_av=0x7fffdf6015f8, init=0x400760 <__libc_csu_init>, fini=<value optimized
out>, rtld_fini=<value optimized out>, 
    stack_end=0x7fffdf6015e8) at libc-start.c:220
#25 0x0000000000400669 in _start () at ../sysdeps/x86_64/elf/start.S:113

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