Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-14-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:

- Unusual behavior I noticed:

- Custom settings of the application:

После запуска окон (чаще всего это thunderbird и Skype) Plasma рушится, после чего востанавливается через 1 минуту

The crash can be reproduced every time.

-- Backtrace:
Application: Оболочка Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f7de27e17a0 (LWP 1907))]

Thread 4 (Thread 0x7f7dc36d9700 (LWP 1933)):
#0  0x00007f7dd715d1fd in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x157dad8) at pthread_mutex_unlock.c:290
#2  0x00007f7dd664bfe4 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7dd664cdfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7dd664d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7ddf2b3f3e in QEventDispatcherGlib::processEvents (this=0x157d060, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f7ddf287cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f7ddf287ef7 in QEventLoop::exec (this=0x7f7dc36d8db0, flags=...) at kernel/qeventloop.cpp:201
#8  0x00007f7ddf19f27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#9  0x00007f7ddf26acbf in QInotifyFileSystemWatcherEngine::run (this=0x157b920) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f7ddf1a1d05 in QThreadPrivate::start (arg=0x157b920) at thread/qthread_unix.cpp:331
#11 0x00007f7dd7159efc in start_thread (arg=0x7f7dc36d9700) at pthread_create.c:304
#12 0x00007f7de20ce89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f7dbb29e700 (LWP 1935)):
#0  0x00007f7de20dca90 in pthread_mutex_lock (mutex=0x1711c18) at forward.c:182
#1  0x00007f7dd664b649 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7dd664cd81 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7dd664d792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7dbbd7c516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f7dd66722b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f7dd7159efc in start_thread (arg=0x7f7dbb29e700) at pthread_create.c:304
#7  0x00007f7de20ce89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f7daafbf700 (LWP 1942)):
#0  0x00007f7de20c2773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f7dd664cf68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7dd664d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ddf2b3f3e in QEventDispatcherGlib::processEvents (this=0x1d345b0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f7ddf287cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f7ddf287ef7 in QEventLoop::exec (this=0x7f7daafbedb0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f7ddf19f27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f7ddf26acbf in QInotifyFileSystemWatcherEngine::run (this=0x1d186b0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f7ddf1a1d05 in QThreadPrivate::start (arg=0x1d186b0) at thread/qthread_unix.cpp:331
#9  0x00007f7dd7159efc in start_thread (arg=0x7f7daafbf700) at pthread_create.c:304
#10 0x00007f7de20ce89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7de27e17a0 (LWP 1907)):
[KCrash Handler]
#6  isNull (this=0x0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#7  operator! (this=0x0) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#8  TaskManager::TaskItem::task (this=0x3a111e0) at ../../../libs/taskmanager/taskitem.cpp:113
#9  0x00007f7dc0826112 in WindowTaskItem::publishIconGeometry (this=0x3a99290) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#10 0x00007f7dc0834b7c in AbstractTaskItem::timerEvent (this=0x3a99290, event=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:439
#11 0x00007f7ddf29f789 in QObject::event (this=0x3a99290, e=<optimized out>) at kernel/qobject.cpp:1181
#12 0x00007f7ddec5789b in QGraphicsWidget::event (this=0x3a99290, event=0x7fffde22e660) at graphicsview/qgraphicswidget.cpp:1455
#13 0x00007f7dde639424 in notify_helper (e=0x7fffde22e660, receiver=0x3a99290, this=0xe5b330) at kernel/qapplication.cpp:4486
#14 QApplicationPrivate::notify_helper (this=0xe5b330, receiver=0x3a99290, e=0x7fffde22e660) at kernel/qapplication.cpp:4458
#15 0x00007f7dde63e291 in QApplication::notify (this=0xe51be0, receiver=0x3a99290, e=0x7fffde22e660) at kernel/qapplication.cpp:4365
#16 0x00007f7ddff37126 in KApplication::notify (this=0xe51be0, receiver=0x3a99290, event=0x7fffde22e660) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007f7ddf288afc in QCoreApplication::notifyInternal (this=0xe51be0, receiver=0x3a99290, event=0x7fffde22e660) at kernel/qcoreapplication.cpp:787
#18 0x00007f7ddf2b5d62 in sendEvent (event=0x7fffde22e660, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0xe5fe90) at kernel/qeventdispatcher_unix.cpp:603
#20 0x00007f7ddf2b3514 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#21 0x00007f7dd664ca5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f7dd664d258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f7dd664d429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f7ddf2b3ed6 in QEventDispatcherGlib::processEvents (this=0xde3f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#25 0x00007f7dde6e107e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#26 0x00007f7ddf287cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#27 0x00007f7ddf287ef7 in QEventLoop::exec (this=0x7fffde22e8f0, flags=...) at kernel/qeventloop.cpp:201
#28 0x00007f7ddf28c789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#29 0x00007f7de23cd1a3 in kdemain (argc=1, argv=0x7fffde22ecd8) at ../../../../plasma/desktop/shell/main.cpp:120
#30 0x00007f7de200e30d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffde22ecd8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffde22ecc8) at libc-start.c:226
#31 0x0000000000400671 in _start ()

Possible duplicates by query: bug 291298, bug 291295, bug 291285, bug 291257, bug 291255.

Reported using DrKonqi