Version:            (using KDE 4.2.2)
OS:                Linux
Installed from:    Ubuntu Packages

Was browsing with firefox (latest).

Backtrace:

Application: Plasma Workspace (plasma), signal SIGSEGV
[Current thread is 0 (LWP 3722)]

Thread 4 (Thread 0xa6edeb90 (LWP 3729)):
#0  0xb7f85430 in __kernel_vsyscall ()
#1  0xb50c00e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb62cf2ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb64bb9b2 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb793c152 in ?? () from /usr/lib/libQtNetwork.so.4
#5  0xb64ba96e in ?? () from /usr/lib/libQtCore.so.4
#6  0xb50bc4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb62c049e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 3 (Thread 0xa6226b90 (LWP 3730)):
#0  0xb7f85430 in __kernel_vsyscall ()
#1  0xb62b87b1 in select () from /lib/tls/i686/cmov/libc.so.6
#2  0xb658c380 in ?? () from /usr/lib/libQtCore.so.4
#3  0xb64ba96e in ?? () from /usr/lib/libQtCore.so.4
#4  0xb50bc4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb62c049e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xa56dcb90 (LWP 3734)):
#0  0xb7f85430 in __kernel_vsyscall ()
#1  0xb50c00e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb62cf2ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb64bb9b2 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xa85f7b9a in ?? () from /usr/lib/kde4/plasma_wallpaper_image.so
#5  0xb64ba96e in ?? () from /usr/lib/libQtCore.so.4
#6  0xb50bc4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb62c049e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb3ca6730 (LWP 3722)):
[KCrash Handler]
#6  0xb65c5951 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#7  0xa87c80d3 in TaskManager::AbstractGroupingStrategy::groupRemoved () from /usr/lib/libtaskmanager.so.4
#8  0xa87c97d1 in TaskManager::AbstractGroupingStrategy::closeGroup () from /usr/lib/libtaskmanager.so.4
#9  0xa87d0597 in ?? () from /usr/lib/libtaskmanager.so.4
#10 0xa87d123b in ?? () from /usr/lib/libtaskmanager.so.4
#11 0xb65c4ca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0xb65c5932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#13 0xa87e2a63 in TaskManager::TaskGroup::itemRemoved () from /usr/lib/libtaskmanager.so.4
#14 0xa87e30b0 in TaskManager::TaskGroup::remove () from /usr/lib/libtaskmanager.so.4
#15 0xa87cbf10 in TaskManager::GroupManager::remove () from /usr/lib/libtaskmanager.so.4
#16 0xa87cdc47 in TaskManager::GroupManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#17 0xb65c4ca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#18 0xb65c5932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#19 0xa87e6483 in TaskManager::TaskManager::taskRemoved () from /usr/lib/libtaskmanager.so.4
#20 0xa87e7baf in TaskManager::TaskManager::windowRemoved () from /usr/lib/libtaskmanager.so.4
#21 0xa87e9a14 in TaskManager::TaskManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#22 0xb65c4ca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#23 0xb65c5932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#24 0xb77fd473 in KWindowSystem::windowRemoved () from /usr/lib/libkdeui.so.5
#25 0xb77ffcf6 in ?? () from /usr/lib/libkdeui.so.5
#26 0xb780f1d3 in NETRootInfo::update () from /usr/lib/libkdeui.so.5
#27 0xb780f5bf in NETRootInfo::event () from /usr/lib/libkdeui.so.5
#28 0xb77fff8d in ?? () from /usr/lib/libkdeui.so.5
#29 0xb76b2c69 in KApplication::x11EventFilter () from /usr/lib/libkdeui.so.5
#30 0xb7f3c4d7 in ?? () from /usr/lib/libkdeinit4_plasma.so
#31 0xb68bef3e in ?? () from /usr/lib/libQtGui.so.4
#32 0xb68d16a8 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#33 0xb68fdc6a in ?? () from /usr/lib/libQtGui.so.4
#34 0xb4ebab88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#35 0xb4ebe0eb in ?? () from /usr/lib/libglib-2.0.so.0
#36 0xb4ebe268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#37 0xb65da438 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#38 0xb68fd365 in ?? () from /usr/lib/libQtGui.so.4
#39 0xb65ad06a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#40 0xb65ad4aa in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#41 0xb65af959 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#42 0xb685bd17 in QApplication::exec () from /usr/lib/libQtGui.so.4
#43 0xb7f29b56 in kdemain () from /usr/lib/libkdeinit4_plasma.so
#44 0x08048712 in _start ()