Bug 320582

Application: plasma-desktop (4.10.3)
KDE Platform Version: 4.10.3
Qt Version: 4.8.4
Operating System: Linux 3.8.0-24-generic x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
- Unusual behavior I noticed:
After the debian snake everything was black.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0d3c1307c0 (LWP 2508))]

Thread 6 (Thread 0x7f0d1cf44700 (LWP 2510)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0d34e66e77 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f0d34e66ea9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f0d2f561f8e in start_thread (arg=0x7f0d1cf44700) at pthread_create.c:311
#4  0x00007f0d3ba23e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7f0d133bf700 (LWP 2512)):
#0  0x00007f0d2f5640ca in __GI___pthread_mutex_lock (mutex=0x7f0d0c000a60) at pthread_mutex_lock.c:116
#1  0x00007f0d2ee9e5c1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0d2ee5e90b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0d2ee5f0fe in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0d2ee5f304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0d38603036 in QEventDispatcherGlib::processEvents (this=0x7f0d0c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f0d385d338f in QEventLoop::processEvents (this=this@entry=0x7f0d133bed90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f0d385d3618 in QEventLoop::exec (this=this@entry=0x7f0d133bed90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f0d384d5410 in QThread::exec (this=this@entry=0x2542060) at thread/qthread.cpp:542
#9  0x00007f0d385b4edf in QInotifyFileSystemWatcherEngine::run (this=0x2542060) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007f0d384d7bec in QThreadPrivate::start (arg=0x2542060) at thread/qthread_unix.cpp:338
#11 0x00007f0d2f561f8e in start_thread (arg=0x7f0d133bf700) at pthread_create.c:311
#12 0x00007f0d3ba23e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7f0d0b1ba700 (LWP 2514)):
#0  0x00007f0d3ba173cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f0d2ee5f1dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0d2ee5f6ba in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0d10e544f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f0d2ee82eb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0d2f561f8e in start_thread (arg=0x7f0d0b1ba700) at pthread_create.c:311
#6  0x00007f0d3ba23e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f0cfbb71700 (LWP 2517)):
#0  0x00007f0d2f5640ca in __GI___pthread_mutex_lock (mutex=0x7f0cf4000a60) at pthread_mutex_lock.c:116
#1  0x00007f0d2ee9e5c1 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0d2ee5ede6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0d2ee5f248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0d2ee5f304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0d38603036 in QEventDispatcherGlib::processEvents (this=0x7f0cf40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f0d385d338f in QEventLoop::processEvents (this=this@entry=0x7f0cfbb70d90, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f0d385d3618 in QEventLoop::exec (this=this@entry=0x7f0cfbb70d90, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f0d384d5410 in QThread::exec (this=this@entry=0x287be10) at thread/qthread.cpp:542
#9  0x00007f0d385b4edf in QInotifyFileSystemWatcherEngine::run (this=0x287be10) at io/qfilesystemwatcher_inotify.cpp:256
#10 0x00007f0d384d7bec in QThreadPrivate::start (arg=0x287be10) at thread/qthread_unix.cpp:338
#11 0x00007f0d2f561f8e in start_thread (arg=0x7f0cfbb71700) at pthread_create.c:311
#12 0x00007f0d3ba23e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f0cf334c700 (LWP 2524)):
#0  0x00007f0d3ba173cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f0d2ee5f1dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0d2ee5f304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0d38603036 in QEventDispatcherGlib::processEvents (this=0x7f0cec0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f0d385d338f in QEventLoop::processEvents (this=this@entry=0x7f0cf334bd80, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f0d385d3618 in QEventLoop::exec (this=this@entry=0x7f0cf334bd80, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f0d384d5410 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#7  0x00007f0cf93336e5 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#8  0x00007f0d384d7bec in QThreadPrivate::start (arg=0x2ab2080) at thread/qthread_unix.cpp:338
#9  0x00007f0d2f561f8e in start_thread (arg=0x7f0cf334c700) at pthread_create.c:311
#10 0x00007f0d3ba23e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f0d3c1307c0 (LWP 2508)):
[KCrash Handler]
#6  0x00007f0d3a1cf944 in QDeclarativeItem::~QDeclarativeItem (this=0x2bda0b0, __in_chrg=<optimized out>) at graphicsitems/qdeclarativeitem.cpp:1668
#7  0x00007f0d3a19410e in ~QDeclarativeElement (this=0x2bda0b0, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#8  QDeclarativePrivate::QDeclarativeElement<QDeclarativeItem>::~QDeclarativeElement (this=0x2bda0b0, __in_chrg=<optimized out>) at ../../include/QtDeclarative/../../src/declarative/qml/qdeclarativeprivate.h:87
#9  0x00007f0d385ee5e8 in QObject::event (this=0x2bda0b0, e=<optimized out>) at kernel/qobject.cpp:1175
#10 0x00007f0d3797a8ec in QApplicationPrivate::notify_helper (this=this@entry=0x1998830, receiver=receiver@entry=0x2bda0b0, e=e@entry=0x1c007a0) at kernel/qapplication.cpp:4567
#11 0x00007f0d3797d25b in QApplication::notify (this=this@entry=0x1984880, receiver=receiver@entry=0x2bda0b0, e=e@entry=0x1c007a0) at kernel/qapplication.cpp:4428
#12 0x00007f0d39298af6 in KApplication::notify (this=0x1984880, receiver=0x2bda0b0, event=0x1c007a0) at ../../kdeui/kernel/kapplication.cpp:311
#13 0x00007f0d385d463e in QCoreApplication::notifyInternal (this=0x1984880, receiver=receiver@entry=0x2bda0b0, event=event@entry=0x1c007a0) at kernel/qcoreapplication.cpp:946
#14 0x00007f0d385d8171 in sendEvent (event=0x1c007a0, receiver=0x2bda0b0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=52, data=0x19041f0) at kernel/qcoreapplication.cpp:1570
#16 0x00007f0d385d84a3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=52) at kernel/qcoreapplication.cpp:1463
#17 0x00007f0d385d8d2d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#18 0x00007f0d3bd2f46b in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#19 0x00007f0d3b94bea5 in __libc_start_main (main=0x4006e0, argc=1, ubp_av=0x7fffa4a3a718, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffa4a3a708) at libc-start.c:260
#20 0x0000000000400711 in _start ()

Possible duplicates by query: bug 320469, bug 319473, bug 319189, bug 317212, bug 316830.

Reported using DrKonqi