Version:            (using KDE 4.2.4)
OS:                Linux
Installed from:    Fedora RPMs

Backtraces:

Aplicación: Área de trabajo de Plasma (plasma), señal SIGSEGV
[Current thread is 1 (Thread 0xb7fcf7a0 (LWP 1829))]

Thread 3 (Thread 0x2126b70 (LWP 1830)):
#0  0x0097d422 in __kernel_vsyscall ()
#1  0x009e2fa5 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:122
#2  0x06d5a257 in QWaitConditionPrivate::wait (time=<value optimized out>, this=<value optimized out>) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (time=<value optimized out>, this=<value optimized out>) at thread/qwaitcondition_unix.cpp:159
#4  0x06fba752 in QHostInfoAgent::run (this=0x8cab0e0) at kernel/qhostinfo.cpp:260
#5  0x06d5921e in QThreadPrivate::start (arg=0x8cab0e0) at thread/qthread_unix.cpp:189
#6  0x009de935 in start_thread (arg=0x2126b70) at pthread_create.c:297
#7  0x001ee82e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xac88cb70 (LWP 1831)):
#0  0x0097d422 in __kernel_vsyscall ()
#1  0x009e2fa5 in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:122
#2  0x06d5a257 in QWaitConditionPrivate::wait (time=<value optimized out>, this=<value optimized out>) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (time=<value optimized out>, this=<value optimized out>) at thread/qwaitcondition_unix.cpp:159
#4  0x07c930ca in ?? () from /usr/lib/kde4/plasma_wallpaper_image.so
#5  0x06d5921e in QThreadPrivate::start (arg=0x8b90e44) at thread/qthread_unix.cpp:189
#6  0x009de935 in start_thread (arg=0xac88cb70) at pthread_create.c:297
#7  0x001ee82e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb7fcf7a0 (LWP 1829)):
[KCrash Handler]
#6  0x06a1531a in TaskManager::GroupManager::add(KSharedPtr<TaskManager::Task>) () from /usr/lib/libtaskmanager.so.4
#7  0x06a16b50 in TaskManager::GroupManager::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libtaskmanager.so.4
#8  0x06e5efc3 in QMetaObject::activate (sender=0x8c9ebf0, from_signal_index=4, to_signal_index=4, argv=0xbf8eec88) at kernel/qobject.cpp:3120
#9  0x06e5fc12 in QMetaObject::activate (sender=0x8c9ebf0, m=0x6a3d41c, local_signal_index=0, argv=0xbf8eec88) at kernel/qobject.cpp:3194
#10 0x06a2d8e3 in TaskManager::TaskManager::taskAdded(KSharedPtr<TaskManager::Task>) () from /usr/lib/libtaskmanager.so.4
#11 0x06a2fb03 in TaskManager::TaskManager::windowAdded(unsigned long) () from /usr/lib/libtaskmanager.so.4
#12 0x06a30d2f in TaskManager::TaskManager::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libtaskmanager.so.4
#13 0x06e5efc3 in QMetaObject::activate (sender=0x8956d10, from_signal_index=5, to_signal_index=5, argv=0xbf8eee58) at kernel/qobject.cpp:3120
#14 0x06e5fc12 in QMetaObject::activate (sender=0x8956d10, m=0x674202c, local_signal_index=1, argv=0xbf8eee58) at kernel/qobject.cpp:3194
#15 0x0669b393 in KWindowSystem::windowAdded(unsigned long) () from /usr/lib/libkdeui.so.5
#16 0x0669e456 in ?? () from /usr/lib/libkdeui.so.5
#17 0x066ad092 in NETRootInfo::update(unsigned long const*) () from /usr/lib/libkdeui.so.5
#18 0x066ad377 in NETRootInfo::event(_XEvent*, unsigned long*, int) () from /usr/lib/libkdeui.so.5
#19 0x0669e841 in ?? () from /usr/lib/libkdeui.so.5
#20 0x06555756 in KApplication::x11EventFilter(_XEvent*) () from /usr/lib/libkdeui.so.5
#21 0x06b0ceba in ?? () from /usr/lib/libkdeinit4_plasma.so
#22 0x0742f070 in qt_x11EventFilter (ev=0xbf8f06dc) at kernel/qapplication_x11.cpp:375
#23 0x07440390 in QApplication::x11ProcessEvent (this=0x8952570, event=0xbf8f06dc) at kernel/qapplication_x11.cpp:3287
#24 0x0746cc22 in x11EventSourceDispatch (s=0x8966ba8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#25 0x00a93d78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#26 0x00a97310 in ?? () from /lib/libglib-2.0.so.0
#27 0x00a97443 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#28 0x06e73cdc in QEventDispatcherGlib::processEvents (this=0x89352e0, flags={i = 36}) at kernel/qeventdispatcher_glib.cpp:324
#29 0x0746c305 in QGuiEventDispatcherGlib::processEvents (this=0x89352e0, flags={i = 36}) at kernel/qguieventdispatcher_glib.cpp:202
#30 0x06e475c9 in QEventLoop::processEvents (this=0xbf8f09d4, flags={i = 36}) at kernel/qeventloop.cpp:149
#31 0x06e47a12 in QEventLoop::exec (this=0xbf8f09d4, flags={i = 0}) at kernel/qeventloop.cpp:200
#32 0x06e49d6f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#33 0x073cd2c7 in QApplication::exec () at kernel/qapplication.cpp:3526
#34 0x06afc5e6 in kdemain () from /usr/lib/libkdeinit4_plasma.so
#35 0x080486eb in _start ()

How to reproduce

- Start up your system
- To launch quickly (at same time) many applications ( I launched at least five, kmail, akregator, firefox, konqueror, konsole and maybe another one that I don't remember)
- Plasma crashes