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

On OpenSuse 11.0, KDE4.2beta1, every time the system starts, plasma crashes. After that, everything is fine.

Application: Plasma Workspace (plasma), signal SIGSEGV
[?1034h[Thread debugging using libthread_db enabled]
0x00007f9446344261 in nanosleep () from /lib64/libc.so.6
[Current thread is 0 (LWP 3429)]

Thread 4 (Thread 0x4178c950 (LWP 3436)):
#0  0x00007f9446d7edd9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9446feffd9 in QWaitCondition::wait (this=0xcd6000, mutex=0xcd5ff8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:82
#2  0x00007f944a6537bc in QHostInfoAgent::run (this=0xcd5fe0) at kernel/qhostinfo.cpp:241
#3  0x00007f9446fef022 in QThreadPrivate::start (arg=0xcd5fe0) at thread/qthread_unix.cpp:185
#4  0x00007f9446d7b040 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f94463750cd in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x427b0950 (LWP 3439)):
#0  0x00007f9446d7edd9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9446feffd9 in QWaitCondition::wait (this=0x7eb7b0, mutex=0x7eb7a8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:82
#2  0x00007f94310b67c8 in RenderThread::run (this=0x7eb798) at /usr/src/debug/kdebase-workspace-4.1.81/plasma/wallpapers/image/renderthread.cpp:90
#3  0x00007f9446fef022 in QThreadPrivate::start (arg=0x7eb798) at thread/qthread_unix.cpp:185
#4  0x00007f9446d7b040 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f94463750cd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x41f8d950 (LWP 3440)):
#0  0x00007f9446d7edd9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f9446feffd9 in QWaitCondition::wait (this=0x9c6d10, mutex=0x9c6d08, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:82
#2  0x00007f94310b67c8 in RenderThread::run (this=0x9c6cf8) at /usr/src/debug/kdebase-workspace-4.1.81/plasma/wallpapers/image/renderthread.cpp:90
#3  0x00007f9446fef022 in QThreadPrivate::start (arg=0x9c6cf8) at thread/qthread_unix.cpp:185
#4  0x00007f9446d7b040 in start_thread () from /lib64/libpthread.so.0
#5  0x00007f94463750cd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f9440405740 (LWP 3429)):
[KCrash Handler]
#5  TaskManager::GroupManager::add (this=0x9466a0, task={d = 0x7fff53cb86f0}) at /usr/include/QtCore/qhash.h:815
#6  0x00007f942ff6845b in TaskManager::GroupManager::qt_metacall (this=0x9466a0, _c=<value optimized out>, _id=<value optimized out>, _a=0x7fff53cb8810)
    at /usr/src/debug/kdebase-workspace-4.1.81/build/libs/taskmanager/groupmanager.moc:87
#7  0x00007f94470ec284 in QMetaObject::activate (sender=0xa10550, from_signal_index=<value optimized out>, to_signal_index=4, argv=0xa1a4e0) at kernel/qobject.cpp:3031
#8  0x00007f942ff7ca42 in TaskManager::TaskManager::taskAdded (this=0xe780d0, _t1=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.1.81/build/libs/taskmanager/taskmanager.moc:147
#9  0x00007f942ff7e3e7 in TaskManager::TaskManager::windowAdded (this=0xa10550, w=75497511) at /usr/src/debug/kdebase-workspace-4.1.81/libs/taskmanager/taskmanager.cpp:255
#10 0x00007f942ff7ea3f in TaskManager::TaskManager::qt_metacall (this=0xa10550, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff53cb8aa0)
    at /usr/src/debug/kdebase-workspace-4.1.81/build/libs/taskmanager/taskmanager.moc:104
#11 0x00007f94470ec284 in QMetaObject::activate (sender=0x74ac40, from_signal_index=<value optimized out>, to_signal_index=5, argv=0xa1a4e0) at kernel/qobject.cpp:3031
#12 0x00007f944a322312 in KWindowSystem::windowAdded (this=0xe780d0, _t1=75497511) at /usr/src/debug/kdelibs-4.1.81/build/kdeui/kwindowsystem.moc:118
#13 0x00007f944a32469c in KWindowSystemPrivate::addClient (this=0x71c240, w=75497511) at /usr/src/debug/kdelibs-4.1.81/kdeui/windowmanagement/kwindowsystem_x11.cpp:229
#14 0x00007f944a333618 in NETRootInfo::update (this=0x71c268, dirty_props=<value optimized out>) at /usr/src/debug/kdelibs-4.1.81/kdeui/windowmanagement/netwm.cpp:2123
#15 0x00007f944a33398b in NETRootInfo::event (this=0x71c268, event=<value optimized out>, properties=0x7fff53cb8dc0, properties_size=5)
    at /usr/src/debug/kdelibs-4.1.81/kdeui/windowmanagement/netwm.cpp:2052
#16 0x00007f944a324b43 in KWindowSystemPrivate::x11Event (this=0x71c240, ev=0x7fff53cb9660) at /usr/src/debug/kdelibs-4.1.81/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#17 0x00007f944a2002f3 in KApplication::x11EventFilter (this=<value optimized out>, _event=0x7fff53cb9660) at /usr/src/debug/kdelibs-4.1.81/kdeui/kernel/kapplication.cpp:945
#18 0x00007f944b86f5e6 in PlasmaApp::x11EventFilter (this=0x6238b0, event=0x7fff53cb9660) at /usr/src/debug/kdebase-workspace-4.1.81/plasma/shells/desktop/plasmaapp.cpp:371
#19 0x00007f9447a5de5f in qt_x11EventFilter (ev=0x7fff53cb9660) at kernel/qapplication_x11.cpp:361
#20 0x00007f9447a6f496 in QApplication::x11ProcessEvent (this=0x6238b0, event=0x7fff53cb9660) at kernel/qapplication_x11.cpp:2916
#21 0x00007f9447a9655c in x11EventSourceDispatch (s=0x6319b0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:142
#22 0x00007f9443d8093a in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#23 0x00007f9443d84040 in ?? () from /usr/lib64/libglib-2.0.so.0
#24 0x00007f9443d841dc in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#25 0x00007f94471003af in QEventDispatcherGlib::processEvents (this=0x62dd90, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:319
#26 0x00007f9447a95ccf in QGuiEventDispatcherGlib::processEvents (this=0xe780d0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:198
#27 0x00007f94470d6782 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 1405851984}) at kernel/qeventloop.cpp:143
#28 0x00007f94470d690d in QEventLoop::exec (this=0x7fff53cb9990, flags={i = 1405852064}) at kernel/qeventloop.cpp:194
#29 0x00007f94470d8dfd in QCoreApplication::exec () at kernel/qcoreapplication.cpp:845
#30 0x00007f944b8618e3 in kdemain (argc=1, argv=0x7fff53cb9d08) at /usr/src/debug/kdebase-workspace-4.1.81/plasma/shells/desktop/main.cpp:58
#31 0x00007f94462c0436 in __libc_start_main () from /lib64/libc.so.6
#32 0x00000000004007f9 in _start ()