[Bug 156424] New: Random plasma crash (dynamic_cast gone wong?)

[Oliver Putz]

------- You are receiving this mail because: -------
You are the assignee for the bug, or are watching the assignee.
         
http://bugs.kde.org/show_bug.cgi?id=156424         
           Summary: Random plasma crash (dynamic_cast gone wong?)
           Product: plasma
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: panel-devel kde org
        ReportedBy: Regnaron web de


Version:            (using Devel)
Installed from:    Compiled sources
Compiler:          Tasks::addWindowTask 
OS:                Linux

Today plasma (randomly?) crashed with the backtrace below. I think the crash occurred while creating a backtrace for another crash.

Using host libthread_db library "/lib/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 0xb62b66e0 (LWP 9516)]
[New Thread 0xb4b7fb90 (LWP 9518)]
[KCrash handler]
#6  0xb674164f in __dynamic_cast ()
   from /usr/lib/gcc/i686-pc-linux-gnu/4.1.2/libstdc++.so.6
#7  0xb000c691 in Tasks::addWindowTask (this=0x814c990, task= 0xbfcae6c8)
    at /var/tmp/portage/kde-base/kdebase-9999.4/work/kdebase-9999.4/workspace/plasma/applets/tasks/tasks.cpp:173
#8  0xb000c8e0 in Tasks::registerWindowTasks (this=0x814c990)
    at /var/tmp/portage/kde-base/kdebase-9999.4/work/kdebase-9999.4/workspace/plasma/applets/tasks/tasks.cpp:140
#9  0xb000c9a4 in Tasks::currentDesktopChanged (this=0x814c990)
    at /var/tmp/portage/kde-base/kdebase-9999.4/work/kdebase-9999.4/workspace/plasma/applets/tasks/tasks.cpp:226
#10 0xb000d66c in Tasks::qt_metacall (this=0x814c990, 
    _c=QMetaObject::InvokeMetaMethod, _id=26, _a=0xbfcaec0c)
    at /var/tmp/portage/kde-base/kdebase-9999.4/work/kdebase_build/workspace/plasma/applets/tasks/tasks.moc:85
#11 0xb74271f4 in QMetaObject::activate (sender=0x815cd90, 
    from_signal_index=8, to_signal_index=8, argv=<value optimized out>)
    at kernel/qobject.cpp:3081
#12 0xb7427d94 in QMetaObject::activate (sender=0x815cd90, m=0xaffe4d68, 
    local_signal_index=4, argv=0xbfcaec0c) at kernel/qobject.cpp:3140
#13 0xaffdf164 in TaskManager::TaskManager::desktopChanged (this=0x815cd90, 
    _t1=3)
    at /var/tmp/portage/kde-base/kdebase-9999.4/work/kdebase_build/workspace/libs/taskmanager/taskmanager.moc:176
#14 0xaffdf194 in TaskManager::TaskManager::currentDesktopChanged (
    this=0x815cd90, desktop=3)
    at /var/tmp/portage/kde-base/kdebase-9999.4/work/kdebase-9999.4/workspace/libs/taskmanager/taskmanager.cpp:407
#15 0xaffe1756 in TaskManager::TaskManager::qt_metacall (this=0x815cd90, 
    _c=QMetaObject::InvokeMetaMethod, _id=15, _a=0xbfcaf15c)
    at /var/tmp/portage/kde-base/kdebase-9999.4/work/kdebase_build/workspace/libs/taskmanager/taskmanager.moc:109
#16 0xb74271f4 in QMetaObject::activate (sender=0x81004c0, 
    from_signal_index=4, to_signal_index=4, argv=<value optimized out>)
    at kernel/qobject.cpp:3081
#17 0xb7427d94 in QMetaObject::activate (sender=0x81004c0, m=0xb7b241a4, 
    local_signal_index=0, argv=0xbfcaf15c) at kernel/qobject.cpp:3140
#18 0xb7ad1091 in KWindowSystem::currentDesktopChanged (this=0x81004c0, _t1=3)
    at /var/tmp/portage/kde-base/kdelibs-9999.4/work/kdelibs_build/kdeui/kwindowsystem.moc:110
#19 0xb7ad3fb7 in KWindowSystemPrivate::x11Event (this=0x8137728, 
    ev=0xbfcaf568)
    at /var/tmp/portage/kde-base/kdelibs-9999.4/work/kdelibs-9999.4/kdeui/windowmanagement/kwindowsystem_x11.cpp:129
#20 0xb79cf1cb in KAppX11HackWidget::publicx11Event (this=0x8137728, 
    e=0xbfcaf568)
    at /var/tmp/portage/kde-base/kdelibs-9999.4/work/kdelibs-9999.4/kdeui/kernel/kapplication.cpp:921
#21 0xb79cc15d in KApplication::x11EventFilter (this=0x8055e10, 
    _event=0xbfcaf568)
    at /var/tmp/portage/kde-base/kdelibs-9999.4/work/kdelibs-9999.4/kdeui/kernel/kapplication.cpp:971
#22 0xb6b0ba2e in qt_x11EventFilter (ev=0xbfcaf568)
    at kernel/qapplication_x11.cpp:341
#23 0xb6b18a67 in QApplication::x11ProcessEvent (this=0x8055e10, 
    event=0xbfcaf568) at kernel/qapplication_x11.cpp:2793
#24 0xb6b3ec45 in QEventDispatcherX11::processEvents (this=0x805fb80, 
    flags= 0xbfcaf654) at kernel/qeventdispatcher_x11.cpp:125
#25 0xb7413191 in QEventLoop::processEvents (this=0xbfcaf6c0, 
    flags= 0xbfcaf688) at kernel/qeventloop.cpp:140
#26 0xb741329a in QEventLoop::exec (this=0xbfcaf6c0, flags= 0xbfcaf6c8)
    at kernel/qeventloop.cpp:186
#27 0xb7415626 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:759
#28 0xb6ab4487 in QApplication::exec () at kernel/qapplication.cpp:3053
#29 0xb7f74ed4 in kdemain (argc=1, argv=0xbfcaf894)
    at /var/tmp/portage/kde-base/kdebase-9999.4/work/kdebase-9999.4/workspace/plasma/plasma/main.cpp:54
#30 0x080487e2 in main (argc=137571336, argv=0x1)
    at /var/tmp/portage/kde-base/kdebase-9999.4/work/kdebase_build/workspace/plasma/plasma/plasma-qgv_dummy.cpp:3
#31 0xb653efdc in __libc_start_main (main=0x80487c0 <main>, argc=1, 
    ubp_av=0xbfcaf894, init=0x8048810 <__libc_csu_init>, 
    fini=0x8048800 <__libc_csu_fini>, rtld_fini=0xb7f8d100 <_dl_fini>, 
    stack_end=0xbfcaf88c) at libc-start.c:229
#32 0x08048731 in _start ()
#0  0xffffe410 in __kernel_vsyscall ()