Version:           4 (using 4.00.80 (KDE 4.0.80 >= 20080104), Gentoo)
Compiler:          x86_64-pc-linux-gnu-gcc
OS:                Linux (x86_64) release 2.6.24-rc8-git3

I have set plasma to automatically cycle through wallpapers - and when it just did, ksysguard crashed. Boom. Never had that before, svn from today. BT:
localhost zero08 # grep -v "symbols" kde4shots/system-monitor-crash3.log
Using host libthread_db library "/lib/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 0x2b05385e17b0 (LWP 17487)]
[New Thread 0x40804950 (LWP 17490)]
[KCrash handler]
#5  0x00002b053616b185 in *__GI_raise (sig=<value optimized out>)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#6  0x00002b053616c630 in *__GI_abort () at abort.c:88
#7  0x00002b053357a437 in qt_message_output (msgType=QtFatalMsg,
    buf=<value optimized out>) at global/qglobal.cpp:2160
#8  0x00002b053357a577 in qFatal (msg=<value optimized out>)
    at global/qglobal.cpp:2392
#9  0x00002b05346abb11 in QSortFilterProxyModelPrivate::update_persistent_indexes (this=0x7620b0, source_indexes=@0x7fff7b7cce20)
    at src/corelib/tools/qvector.h:317
#10 0x00002b05346b0fdd in QSortFilterProxyModelPrivate::_q_sourceLayoutChanged
    (this=0x7620b0) at itemviews/qsortfilterproxymodel.cpp:1071
#11 0x00002b05346b1316 in QSortFilterProxyModel::qt_metacall (this=0x78a388,
    _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>,
    _a=0x7fff7b7cd370) at .moc/debug-shared/moc_qsortfilterproxymodel.cpp:122
#12 0x00002b052fb1c035 in ProcessFilter::qt_metacall ()
   from /usr/kde/svn/lib64/libprocessui.so.4
#13 0x00002b053365184d in QMetaObject::activate (sender=0x78a370,
    from_signal_index=6, to_signal_index=6, argv=0xffffffffffffffff)
    at kernel/qobject.cpp:3081
#14 0x00002b052fb1d2e0 in ?? () from /usr/kde/svn/lib64/libprocessui.so.4
#15 0x00002b052fb1e770 in ?? () from /usr/kde/svn/lib64/libprocessui.so.4
#16 0x00002b053365184d in QMetaObject::activate (sender=0x740840,
    from_signal_index=5, to_signal_index=5, argv=0xffffffffffffffff)
    at kernel/qobject.cpp:3081
#17 0x00002b052fd38752 in KSysGuard::Processes::beginAddProcess ()
   from /usr/kde/svn/lib64/libprocesscore.so.4
#18 0x00002b052fd39205 in KSysGuard::Processes::addProcess ()
   from /usr/kde/svn/lib64/libprocesscore.so.4
#19 0x00002b052fd393b7 in KSysGuard::Processes::updateOrAddProcess ()
   from /usr/kde/svn/lib64/libprocesscore.so.4
#20 0x00002b052fd397bb in KSysGuard::Processes::processesUpdated ()
   from /usr/kde/svn/lib64/libprocesscore.so.4
#21 0x00002b052fd39f1f in KSysGuard::Processes::qt_metacall ()
   from /usr/kde/svn/lib64/libprocesscore.so.4
#22 0x00002b053365184d in QMetaObject::activate (sender=0x78f7e0,
    from_signal_index=4, to_signal_index=4, argv=0xffffffffffffffff)
    at kernel/qobject.cpp:3081
#23 0x00002b052fb1cdf1 in ProcessModel::update ()
   from /usr/kde/svn/lib64/libprocessui.so.4
#24 0x00002b052fb13efd in KSysGuardProcessList::updateList ()
   from /usr/kde/svn/lib64/libprocessui.so.4
#25 0x00002b052fb190b3 in KSysGuardProcessList::qt_metacall ()
   from /usr/kde/svn/lib64/libprocessui.so.4
#26 0x00002b053365184d in QMetaObject::activate (sender=0x7463b0,
    from_signal_index=4, to_signal_index=4, argv=0xffffffffffffffff)
    at kernel/qobject.cpp:3081
#27 0x00002b053364f36d in QObject::event (this=0x7463b0, e=0x444f)
    at kernel/qobject.cpp:1086
#28 0x00002b05341e3bfa in QApplicationPrivate::notify_helper (this=0x61a270,
    receiver=0x7463b0, e=0x7fff7b7ceb90) at kernel/qapplication.cpp:3556
#29 0x00002b05341e4ad3 in QApplication::notify (this=0x618d00,
    receiver=0x7463b0, e=0x7fff7b7ceb90) at kernel/qapplication.cpp:3497
#30 0x00002b053073a72e in KApplication::notify ()
   from /usr/kde/svn/lib64/libkdeui.so.5
#31 0x00002b053363ee40 in QCoreApplication::notifyInternal (this=0x618d00,
    receiver=0x7463b0, event=0x7fff7b7ceb90)
    at kernel/qcoreapplication.cpp:530
#32 0x00002b0533664d09 in QTimerInfoList::activateTimers (this=0x61ac78)
    at kernel/qcoreapplication.h:200
#33 0x00002b0533665b28 in QEventDispatcherUNIX::processEvents (this=0x616320,
    flags=@0x7fff7b7cee00) at kernel/qeventdispatcher_unix.cpp:890
#34 0x00002b0534262aca in QEventDispatcherX11::processEvents (this=0x616320,
    flags=@0x7fff7b7cee50) at kernel/qeventdispatcher_x11.cpp:145
#35 0x00002b053363e338 in QEventLoop::processEvents (
    this=<value optimized out>, flags=<value optimized out>)
    at kernel/qeventloop.cpp:140
#36 0x00002b053363e44d in QEventLoop::exec (this=0x7fff7b7ceec0,
    flags=@0x7fff7b7ceed0) at kernel/qeventloop.cpp:186
#37 0x00002b0533640bd9 in QCoreApplication::exec ()
    at kernel/qcoreapplication.cpp:759
#38 0x00002b052f55ee82 in kdemain ()
   from /usr/kde/svn/lib64/libkdeinit4_ksysguard.so
#39 0x00002b05361581f4 in __libc_start_main (
    main=0x400a30 <__libc_start_main@plt+208>, argc=1, ubp_av=0x7fff7b7cf478,
    init=<value optimized out>, fini=<value optimized out>,
    rtld_fini=<value optimized out>, stack_end=0x7fff7b7cf468)
    at libc-start.c:227
#40 0x0000000000400999 in _start ()
#0  0x00002b05361d1c41 in nanosleep () from /lib64/libc.so.6