Application: plasma-desktop (0.3)
KDE Platform Version: 4.5.1 (KDE 4.5.1)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-22-generic x86_64
Distribution: Ubuntu 10.10

-- Information about the crash:
Plasma crash suddently, without apparently reason.
Impossible to reload it. Need to reboot. The rest of the applications are running normally, also cairo-dock . There's just a "black desktop"

The crash can be reproduced some of the time.

-- Backtrace:
Application: Espace de travail Plasma (plasma-desktop), signal: Bus error
[Current thread is 1 (Thread 0x7fdd2cdcc7a0 (LWP 2086))]

Thread 6 (Thread 0x7fdd053ec710 (LWP 2090)):
#0  0x00007fdd29c73b70 in ?? () from /usr/lib/libQtCore.so.4
#1  0x00007fdd29d94689 in ?? () from /usr/lib/libQtCore.so.4
#2  0x00007fdd212c8a11 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#3  0x00007fdd212c8e78 in ?? () from /lib/libglib-2.0.so.0
#4  0x00007fdd212c945c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#5  0x00007fdd29d941e6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0x00007fdd29d66a02 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#7  0x00007fdd29d66dec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#8  0x00007fdd29c712fd in QThread::exec() () from /usr/lib/libQtCore.so.4
#9  0x00007fdd29d465f8 in ?? () from /usr/lib/libQtCore.so.4
#10 0x00007fdd29c7427e in ?? () from /usr/lib/libQtCore.so.4
#11 0x00007fdd24926953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#12 0x00007fdd299e9971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#13 0x00007fdd2c6eb91d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fdcfa4c9710 (LWP 2424)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fdd29c74e3b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007fdd26573524 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007fdd2657672b in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007fdd26574c9f in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007fdd265751f8 in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#6  0x00007fdd29c7427e in ?? () from /usr/lib/libQtCore.so.4
#7  0x00007fdd24926953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#8  0x00007fdd299e9971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#9  0x00007fdd2c6eb91d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fdcfed8d710 (LWP 2425)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fdd29c74e3b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007fdd26573524 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007fdd2657672b in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007fdd26574c9f in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007fdd265751f8 in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#6  0x00007fdd29c7427e in ?? () from /usr/lib/libQtCore.so.4
#7  0x00007fdd24926953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#8  0x00007fdd299e9971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#9  0x00007fdd2c6eb91d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fdcf6965710 (LWP 2426)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fdd29c74e3b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007fdd26573524 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007fdd2657672b in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007fdd26574c9f in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007fdd265751f8 in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#6  0x00007fdd29c7427e in ?? () from /usr/lib/libQtCore.so.4
#7  0x00007fdd24926953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#8  0x00007fdd299e9971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#9  0x00007fdd2c6eb91d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fdcf6164710 (LWP 2427)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fdd29c74e3b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00007fdd26573524 in ?? () from /usr/lib/libthreadweaver.so.4
#3  0x00007fdd2657672b in ?? () from /usr/lib/libthreadweaver.so.4
#4  0x00007fdd26574c9f in ?? () from /usr/lib/libthreadweaver.so.4
#5  0x00007fdd265751f8 in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4
#6  0x00007fdd29c7427e in ?? () from /usr/lib/libQtCore.so.4
#7  0x00007fdd24926953 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#8  0x00007fdd299e9971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#9  0x00007fdd2c6eb91d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fdd2cdcc7a0 (LWP 2086)):
[KCrash Handler]
#6  memcpy () at ../sysdeps/x86_64/memcpy.S:196
#7  0x00007fdd2a55898c in KSharedDataCache::insert(QString const&, QByteArray const&) () from /usr/lib/libkdecore.so.5
#8  0x00007fdd2aa7cd6d in KImageCache::insertImage(QString const&, QImage const&) () from /usr/lib/libkdeui.so.5
#9  0x00007fdd2aa7d116 in KImageCache::insertPixmap(QString const&, QPixmap const&) () from /usr/lib/libkdeui.so.5
#10 0x00007fdd2c2c2202 in ?? () from /usr/lib/libplasma.so.3
#11 0x00007fdd2c2c645c in Plasma::Theme::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libplasma.so.3
#12 0x00007fdd29d7fb27 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#13 0x00007fdd29d798f9 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#14 0x00007fdd28eb1fdc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#15 0x00007fdd28eb7aed in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#16 0x00007fdd2aa03156 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#17 0x00007fdd29d67cdc in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#18 0x00007fdd29d976f2 in ?? () from /usr/lib/libQtCore.so.4
#19 0x00007fdd29d944c8 in ?? () from /usr/lib/libQtCore.so.4
#20 0x00007fdd212c5342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#21 0x00007fdd212c92a8 in ?? () from /lib/libglib-2.0.so.0
#22 0x00007fdd212c945c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#23 0x00007fdd29d94193 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#24 0x00007fdd28f64a4e in ?? () from /usr/lib/libQtGui.so.4
#25 0x00007fdd29d66a02 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#26 0x00007fdd29d66dec in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#27 0x00007fdd29d6aebb in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#28 0x00007fdd2c9c2a56 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#29 0x00007fdd2c623d8e in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff0f61ea58) at libc-start.c:226
#30 0x0000000000400669 in _start ()

Possible duplicates by query: bug 249362, bug 245171.

Reported using DrKonqi