Version:            (using KDE 4.2.2)
OS:                Linux
Installed from:    Debian testing/unstable Packages

Hi,

plasma keeps crashing reproducable when i click on a file in the workspace (desktop?) widget.

Backtrace:

Anwendung: Plasma-Arbeitsfläche (plasma), Signal SIGSEGV
0x00007f2bb2cc88d1 in nanosleep () from /lib/libc.so.6
Current language:  auto; currently c
[Current thread is 0 (LWP 3557)]

Thread 3 (Thread 0x7f2b931e7950 (LWP 3564)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f2bafebf739 in QWaitCondition::wait (this=0x1f49fa0, mutex=0x1f49f98, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f2bacefc69c in QHostInfoAgent::run (this=0x1f49f80) at kernel/qhostinfo.cpp:260
#3  0x00007f2bafebe742 in QThreadPrivate::start (arg=0x1f49f80) at thread/qthread_unix.cpp:189
#4  0x00007f2bab016faa in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f2bb2cf82cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f2b9217f950 (LWP 3565)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f2bafebf739 in QWaitCondition::wait (this=0x1db3120, mutex=0x1db3118, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f2b93caae80 in RenderThread::run (this=0x1db3108) at ../../../../plasma/wallpapers/image/renderthread.cpp:91
#3  0x00007f2bafebe742 in QThreadPrivate::start (arg=0x1db3108) at thread/qthread_unix.cpp:189
#4  0x00007f2bab016faa in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f2bb2cf82cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()
Current language:  auto; currently asm

Thread 1 (Thread 0x7f2bb32cc790 (LWP 3557)):
[KCrash Handler]
#5  0x00007f2baff026fd in QString::append (this=0x7fffbb414350, str=@0x7f2bb029ca18) at tools/qstring.cpp:1303
#6  0x00007f2baf8a3ade in KRecentDocument::add (url=@0x2d4b960, desktopEntryName=@0x7fffbb414760) at /usr/include/qt4/QtCore/qstring.h:255
#7  0x00007f2baf7e4e06 in KRun::run (_service=@0x2bb7e10, _urls=@0x7fffbb4148e0, window=0x0, tempFiles=false, suggestedFileName=@0x2d56e88, asn=@0x2d56e98) at ../../kio/kio/krun.cpp:704
#8  0x00007f2baf7e5ced in KRun::runUrl (u=@0x2d56ea0, _mimetype=@0x7fffbb414eb0, window=0x0, tempFile=80, runExecutables=<value optimized out>, suggestedFileName=@0x2d56e88, asn=@0x2d56e98)
    at ../../kio/kio/krun.cpp:173
#9  0x00007f2baf7e6713 in KRun::foundMimeType (this=0x2d4f8c0, type=@0x7fffbb414eb0) at ../../kio/kio/krun.cpp:1231
#10 0x00007f2baf7ddf02 in KRun::mimeTypeDetermined (this=0x2a, mimeType=@0x0) at ../../kio/kio/krun.cpp:1133
#11 0x00007f2baf7e6d60 in KRun::init (this=0x2d4f8c0) at ../../kio/kio/krun.cpp:882
#12 0x00007f2baf7e0461 in KRun::slotTimeout (this=0x2d4f8c0) at ../../kio/kio/krun.cpp:1015
#13 0x00007f2baf7e1e68 in KRun::qt_metacall (this=0x2d4f8c0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffbb4151b0) at ./krun.moc:79
#14 0x00007f2baffbc872 in QMetaObject::activate (sender=0x2d56ec0, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x2d52a50) at kernel/qobject.cpp:3120
#15 0x00007f2baffb6b53 in QObject::event (this=0x2d56ec0, e=0x0) at kernel/qobject.cpp:1082
#16 0x00007f2bb06eb4fd in QApplicationPrivate::notify_helper (this=0x1aa91f0, receiver=0x2d56ec0, e=0x7fffbb415860) at kernel/qapplication.cpp:4057
#17 0x00007f2bb06f377a in QApplication::notify (this=0x1a6e2a0, receiver=0x2d56ec0, e=0x7fffbb415860) at kernel/qapplication.cpp:4022
#18 0x00007f2bb17e955b in KApplication::notify (this=0x1a6e2a0, receiver=0x2d56ec0, event=0x7fffbb415860) at ../../kdeui/kernel/kapplication.cpp:307
#19 0x00007f2baffa6e5c in QCoreApplication::notifyInternal (this=0x1a6e2a0, receiver=0x2d56ec0, event=0x7fffbb415860) at kernel/qcoreapplication.cpp:610
#20 0x00007f2baffd4046 in QTimerInfoList::activateTimers (this=0x1aac800) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#21 0x00007f2baffd056d in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:164
#22 0x00007f2bab264f7a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#23 0x00007f2bab268640 in ?? () from /usr/lib/libglib-2.0.so.0
#24 0x00007f2bab2687dc in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#25 0x00007f2baffd04cf in QEventDispatcherGlib::processEvents (this=0x1a4dee0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:324
#26 0x00007f2bb0783c7f in QGuiEventDispatcherGlib::processEvents (this=0x2a, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#27 0x00007f2baffa5702 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -1153344816}) at kernel/qeventloop.cpp:149
#28 0x00007f2baffa5acd in QEventLoop::exec (this=0x7fffbb415b10, flags={i = -1153344736}) at kernel/qeventloop.cpp:200
#29 0x00007f2baffa7d94 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#30 0x00007f2bb2fb657b in kdemain (argc=1, argv=0x7fffbb415e18) at ../../../../plasma/shells/desktop/main.cpp:54
#31 0x00007f2bb2c485a6 in __libc_start_main (main=0x4006f0 <main>, argc=1, ubp_av=0x7fffbb415e18, init=0x400720 <__libc_csu_init>, fini=<value optimized out>, rtld_fini=<value optimized out>, 
    stack_end=0x7fffbb415e08) at libc-start.c:222
#32 0x0000000000400629 in _start () at ../sysdeps/x86_64/elf/start.S:113
#0  0x00007f2bb2cc88d1 in nanosleep () from /lib/libc.so.6
Current language:  auto; currently c