A backtrace would be useful, but I guess this is a duplicate of bug 722133

here is the backtrace:


Application: Plasma-Desktop-Umgebung (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5776710 (LWP 1765))]

Thread 3 (Thread 0xa91dcb70 (LWP 1767)):
#0  0xb5aa8c96 in clock_gettime () from /lib/librt.so.1
#1  0xb6d04b85 in do_gettime (frac=0xa91dbf70, sec=0xa91dbf68) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0xb6dd70a6 in QTimerInfoList::updateCurrentTime (this=0x8ac398c) at kernel/qeventdispatcher_unix.cpp:339
#4  0xb6dd740a in QTimerInfoList::timerWait (this=0x8ac398c, tm=...) at kernel/qeventdispatcher_unix.cpp:442
#5  0xb6dd5c63 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xa91dc07c) at kernel/qeventdispatcher_glib.cpp:136
#6  0xb6dd5cfd in timerSourcePrepare (source=0x8ac3958, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0xb59ef44c in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#8  0xb59f0207 in ?? () from /usr/lib/libglib-2.0.so.0
#9  0xb59f07fa in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#10 0xb6dd6737 in QEventDispatcherGlib::processEvents (this=0x851ef18, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0xb6da730d in QEventLoop::processEvents (this=0xa91dc200, flags=...) at kernel/qeventloop.cpp:149
#12 0xb6da7551 in QEventLoop::exec (this=0xa91dc200, flags=...) at kernel/qeventloop.cpp:201
#13 0xb6caa75b in QThread::exec (this=0x8ad7500) at thread/qthread.cpp:498
#14 0xb6d87f4d in QInotifyFileSystemWatcherEngine::run (this=0x8ad7500) at io/qfilesystemwatcher_inotify.cpp:248
#15 0xb6cad613 in QThreadPrivate::start (arg=0x8ad7500) at thread/qthread_unix.cpp:331
#16 0xb21ca70c in ?? () from /usr/lib/libGL.so.1
#17 0x00000000 in ?? ()

Thread 2 (Thread 0xa74b2b70 (LWP 2418)):
[KCrash Handler]
#6  gps_read (gpsdata=0x9913560) at libgps_core.c:541
#7  0xa624308a in Gpsd::run (this=0x9906ff0) at /usr/src/debug/kde-workspace-4.7.2/plasma/generic/dataengines/geolocation/location_gps.cpp:55
#8  0xb6cad613 in QThreadPrivate::start (arg=0x9906ff0) at thread/qthread_unix.cpp:331
#9  0xb21ca70c in ?? () from /usr/lib/libGL.so.1
#10 0x00000000 in ?? ()

Thread 1 (Thread 0xb5776710 (LWP 1765)):
#0  0xb60077d7 in __libc_enable_asynccancel () from /lib/libc.so.6
#1  0xb5fee9e2 in poll () from /lib/libc.so.6
#2  0xb5b1c460 in ?? () from /usr/lib/libxcb.so.1
#3  0xb5b1ca6c in ?? () from /usr/lib/libxcb.so.1
#4  0xb5b1cb21 in xcb_writev () from /usr/lib/libxcb.so.1
#5  0xb71f2680 in _XSend () from /usr/lib/libX11.so.6
#6  0xb71f2cba in _XReply () from /usr/lib/libX11.so.6
#7  0xb71d6c06 in XGetImage () from /usr/lib/libX11.so.6
#8  0xb63c209d in QX11PixmapData::toImage(QRect const&) const () from /usr/lib/libQtGui.so.4
#9  0xb63bf78d in QX11PixmapData::toImage() const () from /usr/lib/libQtGui.so.4
#10 0xb63aa47d in QPixmap::toImage() const () from /usr/lib/libQtGui.so.4
#11 0xb7560c00 in KImageCache::insertPixmap(QString const&, QPixmap const&) () from /usr/lib/libkdeui.so.5
#12 0xb4badb37 in ?? () from /usr/lib/libplasma.so.3
#13 0xb4bb36dc in Plasma::Theme::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libplasma.so.3
#14 0xb6dae69d in metacall (argv=0xbfb3d5b4, idx=10, cl=QMetaObject::InvokeMetaMethod, object=0x8155b58) at kernel/qmetaobject.cpp:237
#15 QMetaObject::metacall (object=0x8155b58, cl=QMetaObject::InvokeMetaMethod, idx=10, argv=0xbfb3d5b4) at kernel/qmetaobject.cpp:232
#16 0xb6dbd5d0 in QMetaObject::activate (sender=0x8258a68, m=0xb6edf618, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3287
#17 0xb6e0cbb5 in QTimer::timeout (this=0x8258a68) at .moc/release-shared/moc_qtimer.cpp:134
#18 0xb6dc4e26 in QTimer::timerEvent (this=0x8258a68, e=0xbfb3dacc) at kernel/qtimer.cpp:271
#19 0xb6dc0534 in QObject::event (this=0x8258a68, e=0xbfb3dacc) at kernel/qobject.cpp:1190
#20 0xb62c3ee4 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#21 0xb62c9272 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#22 0xb74eb681 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#23 0xb6da82ee in QCoreApplication::notifyInternal (this=0x813f868, receiver=0x8258a68, event=0xbfb3dacc) at kernel/qcoreapplication.cpp:787
#24 0xb6dd880f in sendEvent (event=<optimized out>, receiver=<optimized out>) at kernel/qcoreapplication.h:215
#25 QTimerInfoList::activateTimers (this=0x814fdc4) at kernel/qeventdispatcher_unix.cpp:618
#26 0xb6dd5d32 in timerSourceDispatch (source=0x814fd90) at kernel/qeventdispatcher_glib.cpp:184
#27 0xb59efe2f in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#28 0xb59f0560 in ?? () from /usr/lib/libglib-2.0.so.0
#29 0xb59f07fa in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#30 0xb6dd6737 in QEventDispatcherGlib::processEvents (this=0x8147850, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#31 0xb6377a7a in ?? () from /usr/lib/libQtGui.so.4
#32 0xb6da730d in QEventLoop::processEvents (this=0xbfb3dd64, flags=...) at kernel/qeventloop.cpp:149
#33 0xb6da7551 in QEventLoop::exec (this=0xbfb3dd64, flags=...) at kernel/qeventloop.cpp:201
#34 0xb6dabcaa in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#35 0xb62c1d64 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#36 0xb006e7cb in kdemain (argc=1, argv=0x811ae00) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/shell/main.cpp:120
#37 0x0804fbcd in _start ()

the libgps20, which is mentioned in bug 722133 is installed with is depedencys, but the weather gadget not working here

Thanks this confimrs my guess.

*** This bug has been marked as a duplicate of bug 722133 ***

but with me the problem happens in 12.1 the first tiem, did not have it in 11.4