Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-14-generic x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
	
when you open the acrobat reader in firefox and open in kmenu giving several errors

 -- Backtrace:
Application: Espaço de trabalho do Plasma (kdeinit4), signal: Segmentation fault
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7f6a560ef750 (LWP 1511))]

Thread 2 (Thread 0x7f6a35c89910 (LWP 1515)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f6a55b2b4fb in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x2539ca8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2539ca8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f6a51f6278c in QHostInfoAgent::run (this=0x2539c90) at kernel/qhostinfo.cpp:260
#4  0x00007f6a55b2a445 in QThreadPrivate::start (arg=0x2539c90) at thread/qthread_unix.cpp:188
#5  0x00007f6a528a0a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f6a534807bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6a560ef750 (LWP 1511)):
[KCrash Handler]
#5  0x00007f6a3cb98ee8 in ?? () from /usr/lib/kde4/plasma_applet_tasks.so
#6  0x00007f6a3cb95255 in ?? () from /usr/lib/kde4/plasma_applet_tasks.so
#7  0x00007f6a3cb95f3d in ?? () from /usr/lib/kde4/plasma_applet_tasks.so
#8  0x00007f6a3cb95fcb in ?? () from /usr/lib/kde4/plasma_applet_tasks.so
#9  0x00007f6a3cb96a4f in ?? () from /usr/lib/kde4/plasma_applet_tasks.so
#10 0x00007f6a3cb96c20 in ?? () from /usr/lib/kde4/plasma_applet_tasks.so
#11 0x00007f6a3cba2948 in ?? () from /usr/lib/kde4/plasma_applet_tasks.so
#12 0x00007f6a3cba2fc4 in ?? () from /usr/lib/kde4/plasma_applet_tasks.so
#13 0x00007f6a55c25ddc in QMetaObject::activate (sender=0x24f5770, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0xe00000000) at kernel/qobject.cpp:3113
#14 0x00007f6a3c967d6f in TaskManager::TaskGroup::itemAdded(TaskManager::AbstractGroupableItem*) () from /usr/lib/libtaskmanager.so.4
#15 0x00007f6a3c96865f in TaskManager::TaskGroup::add(TaskManager::AbstractGroupableItem*) () from /usr/lib/libtaskmanager.so.4
#16 0x00007f6a3c94f935 in TaskManager::AbstractGroupingStrategy::closeGroup(TaskManager::TaskGroup*) () from /usr/lib/libtaskmanager.so.4
#17 0x00007f6a3c956a2f in ?? () from /usr/lib/libtaskmanager.so.4
#18 0x00007f6a3c9579bc in ?? () from /usr/lib/libtaskmanager.so.4
#19 0x00007f6a55c25ddc in QMetaObject::activate (sender=0x30b2b20, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0xe00000000) at kernel/qobject.cpp:3113
#20 0x00007f6a3c967d32 in TaskManager::TaskGroup::itemRemoved(TaskManager::AbstractGroupableItem*) () from /usr/lib/libtaskmanager.so.4
#21 0x00007f6a3c968411 in TaskManager::TaskGroup::remove(TaskManager::AbstractGroupableItem*) () from /usr/lib/libtaskmanager.so.4
#22 0x00007f6a3c9525ab in ?? () from /usr/lib/libtaskmanager.so.4
#23 0x00007f6a3c95427a in TaskManager::GroupManager::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libtaskmanager.so.4
#24 0x00007f6a55c25ddc in QMetaObject::activate (sender=0x243bd10, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0xe00000000) at kernel/qobject.cpp:3113
#25 0x00007f6a3c96b1e5 in TaskManager::TaskManager::taskRemoved(KSharedPtr<TaskManager::Task>) () from /usr/lib/libtaskmanager.so.4
#26 0x00007f6a3c96cdad in TaskManager::TaskManager::windowRemoved(unsigned long) () from /usr/lib/libtaskmanager.so.4
#27 0x00007f6a3c96e547 in TaskManager::TaskManager::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libtaskmanager.so.4
#28 0x00007f6a55c25ddc in QMetaObject::activate (sender=0x2245c40, from_signal_index=<value optimized out>, to_signal_index=<value optimized out>, argv=0xe00000000) at kernel/qobject.cpp:3113
#29 0x00007f6a54923942 in KWindowSystem::windowRemoved (this=0x30, _t1=54536381) at ./kwindowsystem.moc:127
#30 0x00007f6a5492673a in KWindowSystemPrivate::removeClient (this=0x2271b50, w=54536381) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:249
#31 0x00007f6a549342bd in NETRootInfo::update (this=0x2271b78, dirty_props=<value optimized out>) at ../../kdeui/windowmanagement/netwm.cpp:2183
#32 0x00007f6a54934ff3 in NETRootInfo::event (this=0x2271b78, event=<value optimized out>, properties=0x7fffc4ad6140, properties_size=5) at ../../kdeui/windowmanagement/netwm.cpp:2058
#33 0x00007f6a549269ec in KWindowSystemPrivate::x11Event (this=0x2271b50, ev=0x7fffc4ad7b10) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#34 0x00007f6a547f6f56 in KAppX11HackWidget::publicx11Event (this=<value optimized out>, _event=0x7fffc4ad7b10) at ../../kdeui/kernel/kapplication.cpp:911
#35 KApplication::x11EventFilter (this=<value optimized out>, _event=0x7fffc4ad7b10) at ../../kdeui/kernel/kapplication.cpp:961
#36 0x00007f6a4ac90877 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#37 0x00007f6a53c1b391 in qt_x11EventFilter (ev=0x7fffc4ad7b10) at kernel/qapplication_x11.cpp:375
#38 0x00007f6a53c2ba24 in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffc4ad7b10) at kernel/qapplication_x11.cpp:3271
#39 0x00007f6a53c55d0c in x11EventSourceDispatch (s=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#40 0x00007f6a52af1bbe in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#41 0x00007f6a52af5588 in ?? () from /lib/libglib-2.0.so.0
#42 0x00007f6a52af56b0 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#43 0x00007f6a55c391a6 in QEventDispatcherGlib::processEvents (this=0x2071040, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#44 0x00007f6a53c554be in QGuiEventDispatcherGlib::processEvents (this=0x30, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#45 0x00007f6a55c0f532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#46 0x00007f6a55c0f904 in QEventLoop::exec (this=0x7fffc4ad7e40, flags=) at kernel/qeventloop.cpp:201
#47 0x00007f6a55c11ab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#48 0x00007f6a4ac7d4cf in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#49 0x0000000000406da8 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a299 "0") at ../../kinit/kinit.cpp:677
#50 0x0000000000407aa0 in handle_launcher_request (sock=7, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#51 0x0000000000407f51 in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1362
#52 0x0000000000408bb2 in main (argc=2, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1793
The current source language is "auto; currently asm".
The current source language is "auto; currently c".

This bug may be a duplicate of or related to bug 205642

Reported using DrKonqi